CPC Subclass Not Allocatable
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
Description
C25D covers electroplating, electroless plating, and electrophoretic deposition processes used to apply protective or decorative metallic and non-metallic coatings onto substrates. It also encompasses electroforming techniques for creating metal parts by electrodeposition and electrolytic joining methods for assembling workpieces. This subclass includes apparatus designs, process parameters, and electrolyte formulations specific to these coating and forming operations, distinguishing it from general electrochemical processes (C25A) and electrorefining or electrowinning operations (C25C).
10 direct subcodes
Child Classifications
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- C25D 1/00 Electroforming
- C25D 11/00 Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D 13/00 Electrophoretic coating characterised by the process (C25D15/00 takes precedence; compositions for electrophoretic coating C09D5/44)
- C25D 15/00 Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
- C25D 17/00 Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D 21/00 Processes for servicing or operating cells for electrolytic coating
- C25D 3/00 Electroplating: Baths therefor
- C25D 5/00 Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D 7/00 Electroplating characterised by the article coated
- C25D 9/00 Electrolytic coating other than with metals (C25D11/00, C25D15/00 take precedence; electrophoretic coating C25D13/00)
Top Applicants
Top 10 applicants by patent filingsfor class C25, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 1,393
- JFE STEEL JP 914
- EBARA CORPORATION JP 738
- INDUSTRIE DE NORA IT 674
- JX NIPPON MINING & METALS CORPORATION JP 652
- NIPPON STEEL CORPORATION JP 633
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 630
- ROBERT BOSCH DE 626
- SIEMENS DE 587
- ATOTECH DEUTSCHLAND DE 561