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  1. CPC Sections
  2. CPC Section C
  3. CPC Class C25
  4. CPC Subclass C25B
Printable version [PDF] Version: 2024.08​Loading Scheme...
CPCCOOPERATIVE PATENT CLASSIFICATION
​C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR (anodic or cathodic protection C23F 13/00; single-crystal growth C30B) [2021-01]NOTE
  • Compounds of particular interest are also classified in the relevant classes, e.g. in C01, C07, C08.
​C25B 1/00Electrolytic production of inorganic compounds or non-metals [2021-01]WARNING
  • Group C25B 1/00 is impacted by reclassification into groups C25B 1/01, C25B 1/135, C25B 1/23, C25B 1/27, and C25B 1/50.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 1/01. Products [2021-01]WARNING
  • Group C25B 1/01 is incomplete pending reclassification of documents from group C25B 1/00.Groups C25B 1/00 and C25B 1/01 should be considered in order to perform a complete search.
C25B 1/02. . Hydrogen or oxygen [2021-01]
​C25B 1/04. . . by electrolysis of water [2022-01]WARNING
  • Group C25B 1/04 is incomplete pending reclassification of documents from group C25B 9/70.Group C25B 1/04 is also impacted by reclassification into groups C25B 1/042, C25B 1/044, C25B 9/05, C25B 9/19, C25B 9/23, C25B 9/73, C25B 9/75, C25B 9/77, C25B 11/00 and C25B 11/02.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 1/042. . . . by electrolysis of steam [2022-01]WARNING
  • Group C25B 1/042 is incomplete pending reclassification of documents from group C25B 1/04.Groups C25B 1/04 and C25B 1/042 should be considered in order to perform a complete search.
​C25B 1/044. . . . producing mixed hydrogen and oxygen gas, e.g. Brown's gas [HHO] [2022-01]WARNING
  • Group C25B 1/044 is incomplete pending reclassification of documents from group C25B 1/04.Groups C25B 1/04 and C25B 1/044 should be considered in order to perform a complete search.
C25B 1/13. . Ozone [2021-01]
​C25B 1/135. . Carbon [2021-01]WARNING
  • Group C25B 1/135 is incomplete pending reclassification of documents from group C25B 1/00.Groups C25B 1/00 and C25B 1/135 should be considered in order to perform a complete search.
C25B 1/14. . Alkali metal compounds [2021-01]
C25B 1/16. . . Hydroxides (by simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine C25B 1/34) [2022-01]
C25B 1/18. . Alkaline earth metal compounds or magnesium compounds [2021-01]
C25B 1/20. . . Hydroxides [2021-01]
C25B 1/21. . Manganese oxides [2021-01]
C25B 1/22. . Inorganic acids [2021-01]
​C25B 1/23. . Carbon monoxide or syngas [2021-01]WARNING
  • Group C25B 1/23 is incomplete pending reclassification of documents from group C25B 1/00.Groups C25B 1/00 and C25B 1/23 should be considered in order to perform a complete search.
C25B 1/24. . Halogens or compounds thereof [2021-01]
C25B 1/245. . . Fluorine; Compounds thereof [2021-01]
C25B 1/26. . . Chlorine; Compounds thereof (by simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine C25B 1/34) [2022-01]
C25B 1/265. . . . {Chlorates} [2021-01]
​C25B 1/27. . Ammonia [2021-01]WARNING
  • Group C25B 1/27 is incomplete pending reclassification of documents from group C25B 1/00.Groups C25B 1/00 and C25B 1/27 should be considered in order to perform a complete search.
C25B 1/28. . Per-compounds [2021-01]
C25B 1/29. . . Persulfates [2021-01]
C25B 1/30. . . Peroxides [2021-01]
C25B 1/32. . . Perborates [2021-01]
C25B 1/33. . Silicon [2021-01]
C25B 1/34. . Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis [2022-01]
C25B 1/36. . . in mercury cathode cells [2021-01]
C25B 1/42. . . . Decomposition of amalgams [2021-01]
C25B 1/44. . . . . with the aid of catalysts [2021-01]
C25B 1/46. . . in diaphragm cells [2021-01]
​C25B 1/50. Processes [2021-01]WARNING
  • Group C25B 1/50 is incomplete pending reclassification of documents from group C25B 1/00.Groups C25B 1/00 and C25B 1/50 should be considered in order to perform a complete search.
C25B 1/55. . Photoelectrolysis [2021-01]
​C25B 3/00Electrolytic production of organic compounds [2022-01]WARNING
  • Group C25B 3/00 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11, C25B 3/20, C25B 3/21 and C25B 3/26.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/01. Products [2022-01]WARNING
  • Groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09 and C25B 3/11 are incomplete pending reclassification of documents from groups C25B 3/00, C25B 3/23, C25B 3/25, C25B 3/27, C25B 3/28, C25B 3/29 and C25B 3/295.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 3/03. . Acyclic or carbocyclic hydrocarbons [2021-01]
C25B 3/05. . Heterocyclic compounds [2021-01]
C25B 3/07. . Oxygen containing compounds [2021-01]
C25B 3/09. . Nitrogen containing compounds [2021-01]
C25B 3/11. . Halogen containing compounds [2021-01]
C25B 3/13. . Organo-metallic compounds [2021-01]
​C25B 3/20. Processes [2021-01]WARNING
  • Group C25B 3/20 is incomplete pending reclassification of documents from group C25B 3/00.Groups C25B 3/00 and C25B 3/20 should be considered in order to perform a complete search.
​C25B 3/21. . Photoelectrolysis [2021-01]WARNING
  • Group C25B 3/21 is incomplete pending reclassification of documents from groups C25B 3/00, C25B 3/23, C25B 3/25, C25B 3/27, C25B 3/28, C25B 3/29, and C25B 3/295.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/23. . Oxidation (halogenation C25B 3/27) [2022-01]WARNING
  • Group C25B 3/23 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11 and C25B 3/21. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/25. . Reduction [2022-01]WARNING
  • Group C25B 3/25 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11, C25B 3/21 and C25B 3/26. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/26. . . of carbon dioxide [2021-01]WARNING
  • Group C25B 3/26 is incomplete pending reclassification of documents from groups C25B 3/00 and C25B 3/25.Groups C25B 3/00, C25B 3/25, and C25B 3/26 should be considered in order to perform a complete search.
​C25B 3/27. . Halogenation [2022-01]WARNING
  • Group C25B 3/27 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11 and C25B 3/21. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/28. . . Fluorination [2022-01]WARNING
  • Group C25B 3/28 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11 and C25B 3/21. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/29. . Coupling reactions [2022-01]WARNING
  • Group C25B 3/29 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11 and C25B 3/21.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 3/295. . . {hydrodimerisation} [2022-01]WARNING
  • Group C25B 3/295 is impacted by reclassification into groups C25B 3/01, C25B 3/03, C25B 3/05, C25B 3/07, C25B 3/09, C25B 3/11 and C25B 3/21.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 5/00Electrogenerative processes, i.e. processes for producing compounds in which electricity is generated simultaneously [2021-01]
C25B 7/00Electrophoretic production of compounds or non-metals (separation or purification of peptides, e.g. of proteins, by electrophoresis C07K 1/26) [2021-01]
​C25B 9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features [2022-01]WARNING
  • Group C25B 9/00 is impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/07, C25B 9/09, C25B 9/13, C25B 9/15, C25B 9/50, C25B 9/60 and C25B 9/67.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/005. {Amalgam decomposition cells} [2021-01]WARNING
  • Group C25B 9/005 is incomplete pending reclassification of documents from group C25B 9/70.Groups C25B 9/70 and C25B 9/005 should be considered in order to perform a complete search.
​C25B 9/01. Electrolytic cells characterised by shape or form [2022-01]WARNING
  • Groups C25B 9/01 and C25B 9/015 are incomplete pending reclassification of documents from groups C25B 9/00, C25B 9/17, C25B 9/19, C25B 9/23, C25B 9/30, C25B 9/70, C25B 9/73, C25B 9/75 and C25B 9/77.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 9/015. . Cylindrical cells [2021-01]
​C25B 9/05. Pressure cells [2022-01]WARNING
  • Group C25B 9/05 is incomplete pending reclassification of documents from groups C25B 1/04, C25B 9/00, C25B 9/17, C25B 9/19, C25B 9/23, C25B 9/70, C25B 9/73, C25B 9/75 and C25B 9/77.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/07. Common duct cells [2022-01]WARNING
  • Group C25B 9/07 is incomplete pending reclassification of documents from groups C25B 9/00, C25B 9/17, C25B 9/30, C25B 9/70, C25B 9/73 and C25B 9/75.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/09. Fused bath cells [2022-01]WARNING
  • Group C25B 9/09 is incomplete pending reclassification of documents from groups C25B 9/00, C25B 9/17, C25B 9/19, C25B 9/23, C25B 9/70, C25B 9/73, C25B 9/75 and C25B 9/77.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/13. Single electrolytic cells with circulation of an electrolyte [2022-01]WARNING
  • Groups C25B 9/13 and C25B 9/15 are incomplete pending reclassification of documents from groups C25B 9/00, C25B 9/17, C25B 9/19, C25B 9/23, C25B 9/30, C25B 9/70, C25B 9/73, C25B 9/75 and C25B 9/77.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 9/15. . Flow-through cells [2021-01]
​C25B 9/17. Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof [2022-01]WARNING
  • Group C25B 9/17 is impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/07, C25B 9/09, C25B 9/13, C25B 9/15 and C25B 9/50. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/19. . with diaphragms [2022-01]WARNING
  • Group C25B 9/19 is incomplete pending reclassification of documents from groups C25B 1/04 and C25B 9/73. Group C25B 9/19 is also impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/09, C25B 9/13, C25B 9/15, C25B 9/21, C25B 9/50, C25B 9/75, C25B 9/77 and C25B 11/036. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/21. . . two or more diaphragms [2021-01]WARNING
  • Group C25B 9/21 is incomplete pending reclassification of documents from group C25B 9/19.Groups C25B 9/19 and C25B 9/21 should be considered in order to perform a complete search.
​C25B 9/23. . . comprising ion-exchange membranes in or on which electrode material is embedded [2022-01]WARNING
  • Group C25B 9/23 is incomplete pending reclassification of documents from groups C25B 1/04 and C25B 9/73. Group C25B 9/23 is also impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/09, C25B 9/13, C25B 9/15 and C25B 9/50. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/30. Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof [2022-01]WARNING
  • Group C25B 9/30 is impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/07, C25B 9/13, C25B 9/15, C25B 11/00, C25B 11/02, C25B 11/033 and C25B 11/034.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 9/303. . {comprising horizontal-type liquid electrode} [2021-01]
C25B 9/305. . {comprising vertical-type liquid electrode} [2021-01]
​C25B 9/40. Cells or assemblies of cells comprising electrodes made of particles; Assemblies of constructional parts thereof [2022-01]WARNING
  • Group C25B 9/40 is impacted by reclassification into groups C25B 9/43, C25B 9/47, C25B 11/02 and C25B 11/037. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/43. . {comprising fluidised bed electrodes} [2021-01]WARNING
  • Group C25B 9/43 is incomplete pending reclassification of documents from group C25B 9/40.Groups C25B 9/40 and C25B 9/43 should be considered in order to perform a complete search.
​C25B 9/47. . {comprising static bed electrodes} [2021-01]WARNING
  • Group C25B 9/47 is incomplete pending reclassification of documents from group C25B 9/40.Groups C25B 9/40 and C25B 9/47 should be considered in order to perform a complete search.
​C25B 9/50. Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof [2022-01]WARNING
  • Group C25B 9/50 is incomplete pending reclassification of documents from groups C25B 9/00, C25B 9/17, C25B 9/19, C25B 9/23, C25B 9/70, C25B 9/73, C25B 9/75 and C25B 9/77.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/60. Constructional parts of cells [2021-01]WARNING
  • Group C25B 9/60 is incomplete pending reclassification of documents from group C25B 9/00.Groups C25B 9/00 and C25B 9/60 should be considered in order to perform a complete search.
C25B 9/63. . Holders for electrodes; Positioning of the electrodes [2021-01]
C25B 9/65. . Means for supplying current; Electrode connections; Electric inter-cell connections [2021-01]
C25B 9/66. . . {Electric inter-cell connections including jumper switches} [2021-01]
​C25B 9/67. . Heating or cooling means [2021-01]WARNING
  • Group C25B 9/67 is incomplete pending reclassification of documents from group C25B 9/00.Groups C25B 9/00 and C25B 9/67 should be considered in order to perform a complete search.
​C25B 9/70. Assemblies comprising two or more cells [2022-01]WARNING
  • Group C25B 9/70 is impacted by reclassification into groups C25B 1/04, C25B 9/005, C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/07, C25B 9/09, C25B 9/13, C25B 9/15, C25B 9/50, C25B 11/00 and C25B 11/02.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/73. . of the filter-press type [2022-01]WARNING
  • Group C25B 9/73 is incomplete pending reclassification of documents from group C25B 1/04. Group C25B 9/73 is also impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/07, C25B 9/09, C25B 9/13, C25B 9/15, C25B 9/19, C25B 9/23, C25B 9/50, C25B 9/75 and C25B 9/77. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/75. . . having bipolar electrodes [2022-01]WARNING
  • Group C25B 9/75 is incomplete pending reclassification of documents from groups C25B 1/04, C25B 9/19, C25B 9/73, C25B 9/77 and C25B 11/036. Group C25B 9/75 is also impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/07, C25B 9/09, C25B 9/13, C25B 9/15 and C25B 9/50. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 9/77. . . having diaphragms [2022-01]WARNING
  • Group C25B 9/77 is incomplete pending reclassification of documents from groups C25B 1/04, C25B 9/19, C25B 9/73 and C25B 11/036. Group C25B 9/77 is also impacted by reclassification into groups C25B 9/01, C25B 9/015, C25B 9/05, C25B 9/09, C25B 9/13, C25B 9/15, C25B 9/50 and C25B 9/75. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 11/00Electrodes; Manufacture thereof not otherwise provided for [2021-01]WARNING
  • Group C25B 11/00 is incomplete pending reclassification of documents from groups C25B 1/04, C25B 9/30, and C25B 9/70.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 11/02. characterised by shape or form [2021-01]WARNING
  • Group C25B 11/02 is incomplete pending reclassification of documents from groups C25B 1/04, C25B 9/30, C25B 9/40, and C25B 9/70.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 11/03. . perforated or foraminous [2013-01]
​C25B 11/031. . . Porous electrodes [2021-01]WARNING
  • Group C25B 11/031 is impacted by reclassification into group C25B 11/032.Groups C25B 11/031 and C25B 11/032 should be considered in order to perform a complete search.
​C25B 11/032. . . . Gas diffusion electrodes [2021-01]WARNING
  • Group C25B 11/032 is incomplete pending reclassification of documents from group C25B 11/031.Groups C25B 11/031 and C25B 11/032 should be considered in order to perform a complete search.
​C25B 11/033. . Liquid electrodes [2021-01]WARNING
  • Group C25B 11/033 is incomplete pending reclassification of documents from group C25B 9/30.Groups C25B 9/30 and C25B 11/033 should be considered in order to perform a complete search.
​C25B 11/034. . Rotary electrodes [2021-01]WARNING
  • Group C25B 11/034 is incomplete pending reclassification of documents from group C25B 9/30.Groups C25B 9/30 and C25B 11/034 should be considered in order to perform a complete search.
​C25B 11/036. . Bipolar electrodes [2022-01]WARNING
  • Group C25B 11/036 is incomplete pending reclassification of documents from group C25B 9/19. Group C25B 11/036 is also impacted by reclassification into groups C25B 9/75 and C25B 9/77. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 11/037. . Electrodes made of particles [2021-01]WARNING
  • Group C25B 11/037 is incomplete pending reclassification of documents from group C25B 9/40.Groups C25B 9/40 and C25B 11/037 should be considered in order to perform a complete search.
​C25B 11/04. characterised by the material [2022-01]WARNING
  • Group C25B 11/04 is impacted by reclassification into groups C25B 11/042, C25B 11/046, C25B 11/047, C25B 11/048, C25B 11/049 and C25B 11/051.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 11/042. . Electrodes formed of a single material [2021-01]WARNING
  • Group C25B 11/042 is incomplete pending reclassification of documents from group C25B 11/04.Groups C25B 11/042 and C25B 11/04 should be considered in order to perform a complete search.
​C25B 11/043. . . Carbon, e.g. diamond or graphene [2021-01]WARNING
  • Group C25B 11/043 is impacted by reclassification into group C25B 11/044.Groups C25B 11/043 and C25B 11/044 should be considered in order to perform a complete search.
​C25B 11/044. . . . Impregnation of carbon [2021-01]WARNING
  • Group C25B 11/044 is incomplete pending reclassification of documents from group C25B 11/043.Groups C25B 11/043 and C25B 11/044 should be considered in order to perform a complete search.
C25B 11/045. . . Mercury or amalgam [2021-01]
​C25B 11/046. . . Alloys [2021-01]WARNING
  • Group C25B 11/046 is incomplete pending reclassification of documents from group C25B 11/04.Groups C25B 11/046 and C25B 11/04 should be considered in order to perform a complete search.
​C25B 11/047. . . Ceramics [2021-01]WARNING
  • Group C25B 11/047 is incomplete pending reclassification of documents from group C25B 11/04.Groups C25B 11/047 and C25B 11/04 should be considered in order to perform a complete search.
​C25B 11/048. . . Organic compounds [2021-01]WARNING
  • Group C25B 11/048 is incomplete pending reclassification of documents from group C25B 11/04.Groups C25B 11/048 and C25B 11/04 should be considered in order to perform a complete search.
​C25B 11/049. . . Photocatalysts [2021-01]WARNING
  • Group C25B 11/049 is incomplete pending reclassification of documents from group C25B 11/04.Groups C25B 11/049 and C25B 11/04 should be considered in order to perform a complete search.
​C25B 11/051. . Electrodes formed of electrocatalysts on a substrate or carrier [2022-01]WARNING
  • Group C25B 11/051 is incomplete pending reclassification of documents from group C25B 11/04. Group C25B 11/051 is also impacted by reclassification into groups C25B 11/052, C25B 11/053, C25B 11/054, C25B 11/055, C25B 11/056, C25B 11/057, C25B 11/065, C25B 11/067, C25B 11/069, C25B 11/073, C25B 11/075, C25B 11/077, C25B 11/079, C25B 11/083, C25B 11/085, C25B 11/087, C25B 11/089 and C25B 11/097. All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 11/052. . . Electrodes comprising one or more electrocatalytic coatings on a substrate [2021-01]WARNING
  • Groups C25B 11/052 and C25B 11/053 are incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051, C25B 11/052, and C25B 11/053 should be considered in order to perform a complete search.
C25B 11/053. . . . characterised by multilayer electrocatalytic coatings [2021-01]
​C25B 11/054. . . Electrodes comprising electrocatalysts supported on a carrier [2021-01]WARNING
  • Group C25B 11/054 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/054 should be considered in order to perform a complete search.
​C25B 11/055. . . characterised by the substrate or carrier material [2022-01]WARNING
  • Group C25B 11/055 is incomplete pending reclassification of documents from group C25B 11/051. Group C25B 11/055 is also impacted by reclassification into group C25B 11/056. Groups C25B 11/051, C25B 11/055 and C25B 11/056 should be considered in order to perform a complete search.
​C25B 11/056. . . . consisting of textile or non-woven fabric [2022-01]WARNING
  • Group C25B 11/056 is incomplete pending reclassification of documents from groups C25B 11/051 and C25B 11/055.Groups C25B 11/051, C25B 11/055 and C25B 11/056 should be considered in order to perform a complete search.
​C25B 11/057. . . . consisting of a single element or compound [2022-01]WARNING
  • Group C25B 11/057 is incomplete pending reclassification of documents from group C25B 11/051. Group C25B 11/057 is also impacted by reclassification into groups C25B 11/063, C25B 11/065 and C25B 11/067. All groups listed in this Warning should be considered in order to perform a complete search.
C25B 11/059. . . . . Silicon [2021-01]
​C25B 11/061. . . . . Metal or alloy [2021-01]WARNING
  • Group C25B 11/061 is impacted by reclassification into group C25B 11/063.Groups C25B 11/061 and C25B 11/063 should be considered in order to perform a complete search.
​C25B 11/063. . . . . . Valve metal, e.g. titanium [2022-01]WARNING
  • Group C25B 11/063 is incomplete pending reclassification of documents from groups C25B 11/057 and C25B 11/061.Groups C25B 11/057, C25B 11/061 and C25B 11/063 should be considered in order to perform a complete search.
​C25B 11/065. . . . . Carbon [2022-01]WARNING
  • Group C25B 11/065 is incomplete pending reclassification of documents from groups C25B 11/051 and C25B 11/057.Groups C25B 11/051, C25B 11/057 and C25B 11/065 should be considered in order to perform a complete search.
​C25B 11/067. . . . . Inorganic compound e.g. ITO, silica or titania [2022-01]WARNING
  • Group C25B 11/067 is incomplete pending reclassification of documents from groups C25B 11/051 and C25B 11/057.Groups C25B 11/051, C25B 11/057 and C25B 11/067 should be considered in order to perform a complete search.
​C25B 11/069. . . . consisting of at least one single element and at least one compound; consisting of two or more compounds [2021-01]WARNING
  • Group C25B 11/069 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/069 should be considered in order to perform a complete search.
C25B 11/071. . . . . comprising metal or alloy powder and non-metallic binders [2021-01]
​C25B 11/073. . . characterised by the electrocatalyst material [2021-01]WARNING
  • Group C25B 11/073 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/073 should be considered in order to perform a complete search.
​C25B 11/075. . . . consisting of a single catalytic element or catalytic compound [2021-01]WARNING
  • Group C25B 11/075 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/075 should be considered in order to perform a complete search.
​C25B 11/077. . . . . the compound being a non-noble metal oxide [2021-01]WARNING
  • Group C25B 11/077 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/077 should be considered in order to perform a complete search.
C25B 11/0771. . . . . . {of the spinel type} [2021-01]
C25B 11/0773. . . . . . {of the perovskite type} [2021-01]
C25B 11/0775. . . . . . {of the rutile type} [2021-01]
​C25B 11/079. . . . . . Manganese dioxide; Lead dioxide [2021-01]WARNING
  • Group C25B 11/079 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/079 should be considered in order to perform a complete search.
C25B 11/081. . . . . the element being a noble metal [2021-01]
​C25B 11/083. . . . . Diamond [2021-01]WARNING
  • Group C25B 11/083 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/083 should be considered in order to perform a complete search.
​C25B 11/085. . . . . Organic compound [2021-01]WARNING
  • Group C25B 11/085 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/085 should be considered in order to perform a complete search.
​C25B 11/087. . . . . Photocatalytic compound [2021-01]WARNING
  • Group C25B 11/087 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/087 should be considered in order to perform a complete search.
​C25B 11/089. . . . . Alloys [2021-01]WARNING
  • Group C25B 11/089 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/089 should be considered in order to perform a complete search.
C25B 11/091. . . . consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds [2021-01]
C25B 11/093. . . . . at least one noble metal or noble metal oxide and at least one non-noble metal oxide [2021-01]
C25B 11/095. . . . . at least one of the compounds being organic [2021-01]
​C25B 11/097. . . . . comprising two or more noble metals or noble metal alloys [2021-01]WARNING
  • Group C25B 11/097 is incomplete pending reclassification of documents from group C25B 11/051.Groups C25B 11/051 and C25B 11/097 should be considered in order to perform a complete search.
C25B 13/00Diaphragms; Spacing elements [2013-01]
C25B 13/02. characterised by shape or form [2021-01]
​C25B 13/04. characterised by the material [2021-01]WARNING
  • Group C25B 13/04 is impacted by reclassification into groups C25B 13/05 and C25B 13/07.Groups C25B 13/04, C25B 13/05, and C25B 13/07 should be considered in order to perform a complete search.
​C25B 13/05. . based on inorganic materials [2021-01]WARNING
  • Group C25B 13/05 is incomplete pending reclassification of documents from group C25B 13/04.Groups C25B 13/04 and C25B 13/05 should be considered in order to perform a complete search.
C25B 13/06. . . based on asbestos [2021-01]
​C25B 13/07. . . based on ceramics [2021-01]WARNING
  • Group C25B 13/07 is incomplete pending reclassification of documents from group C25B 13/04.Groups C25B 13/04 and C25B 13/07 should be considered in order to perform a complete search.
C25B 13/08. . based on organic materials [2013-01]
C25B 15/00Operating or servicing cells [2021-01]
​C25B 15/02. Process control or regulation [2021-01]WARNING
  • Group C25B 15/02 is impacted by reclassification into groups C25B 15/021, C25B 15/023, C25B 15/025, C25B 15/027, C25B 15/029, C25B 15/031, and C25B 15/033.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 15/021. . of heating or cooling [2021-01]WARNING
  • Group C25B 15/021 is incomplete pending reclassification of documents from group C25B 15/02.Groups C25B 15/02 and C25B 15/021 should be considered in order to perform a complete search.
​C25B 15/023. . Measuring, analysing or testing during electrolytic production [2021-01]WARNING
  • Groups C25B 15/023 - C25B 15/033 are incomplete pending reclassification of documents from group C25B 15/02.All groups listed in this Warning should be considered in order to perform a complete search.
C25B 15/025. . . of electrolyte parameters [2021-01]
C25B 15/027. . . . Temperature [2021-01]
C25B 15/029. . . . Concentration [2021-01]
C25B 15/031. . . . . pH [2021-01]
C25B 15/033. . . . Conductivity [2021-01]
C25B 15/04. Regulation of the inter-electrode distance [2021-01]
C25B 15/06. Detection or inhibition of short circuits in the cell [2013-01]
​C25B 15/08. Supplying or removing reactants or electrolytes; Regeneration of electrolytes [2021-01]WARNING
  • Group C25B 15/08 is impacted by reclassification into groups C25B 15/081, C25B 15/083, C25B 15/085, and C25B 15/087.All groups listed in this Warning should be considered in order to perform a complete search.
​C25B 15/081. . {Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor} [2021-01]WARNING
  • Group C25B 15/081 is incomplete pending reclassification of documents from group C25B 15/08.Groups C25B 15/08 and C25B 15/081 should be considered in order to perform a complete search.
​C25B 15/083. . {Separating products} [2021-01]WARNING
  • Group C25B 15/083 is incomplete pending reclassification of documents from group C25B 15/08.Groups C25B 15/08 and C25B 15/083 should be considered in order to perform a complete search.
​C25B 15/085. . {Removing impurities} [2021-01]WARNING
  • Group C25B 15/085 is incomplete pending reclassification of documents from group C25B 15/08.Groups C25B 15/08 and C25B 15/085 should be considered in order to perform a complete search.
​C25B 15/087. . {Recycling of electrolyte to electrochemical cell} [2021-01]WARNING
  • Group C25B 15/087 is incomplete pending reclassification of documents from group C25B 15/08.Groups C25B 15/08 and C25B 15/087 should be considered in order to perform a complete search.
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