CPC Main Group Additional Only
C03C 2214/00 Nature of the non-vitreous component
13 direct subcodes
Child Classifications
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- C03C 2214/02 Fibres; Filaments; Yarns; Felts; Woven material
- C03C 2214/04 Particles; Flakes
- C03C 2214/06 Whiskers ss
- C03C 2214/08 Metals
- C03C 2214/10 Superconducting materials
- C03C 2214/12 Polymers
- C03C 2214/14 Waste material, e.g. to be disposed of
- C03C 2214/16 Microcrystallites, e.g. of optically or electrically active material
- C03C 2214/17 in molecular form (for molecular composites)
- C03C 2214/20 Glass-ceramics matrix
- C03C 2214/30 Methods of making the composites
- C03C 2214/32 comprising a sol-gel process
- C03C 2214/34 comprising an impregnation by molten glass step
Top Applicants
Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT
- CORNING US 9,559
- SAINT-GOBAIN GLASS FR 3,824
- NIPPON ELECTRIC GLASS COMPANY JP 2,792
- SCHOTT DE 2,029
- AGC JP 1,938
- ASAHI GLASS COMPANY JP 1,679
- CORNING 1,650
- NIPPON ELECTRIC GLASS COMPANY 1,501
- A G C 1,049
- O-I (OWENS-ILLINOIS) US 1,027