IPC Subgroup
C03C 25/1 Coating
Introduced: January 2000
Last revised: January 2018
Full Title
Surface treatment of fibres or filaments made from glass, minerals or slags > Coating
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- GLASS; MINERAL OR SLAG WOOL
- Subclass:
- CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
Related Keywords
COATING fibres or filaments formed from glass, minerals, or slagscoating glass FIBREScoating glass fibres to obtain OPTICAL(LY) fibres
8 direct subcodes
Child Classifications
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- C03C 25/1025 to obtain fibres used for reinforcing cement-based products
- C03C 25/104 to obtain optical fibres
- C03C 25/1095 to obtain coated fabrics
- C03C 25/12 General methods of coating; Devices therefor
- C03C 25/24 Coatings containing organic materials
- C03C 25/42 Coatings containing inorganic materials
- C03C 25/465 Coatings containing composite materials
- C03C 25/48 with two or more coatings having different compositions
Top Applicants
Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT
- CORNING US 8,800
- SAINT-GOBAIN GLASS FR 3,535
- NIPPON ELECTRIC GLASS COMPANY JP 2,675
- NIPPON ELECTRIC GLASS COMPANY 2,616
- AGC JP 1,911
- SCHOTT DE 1,846
- ASAHI GLASS COMPANY JP 1,632
- CORNING 1,556
- A G C 1,250
- SEKISUI CHEMICAL COMPANY JP 1,087