CPC Subgroup Additional Only
C03B 2215/14 Die top coat materials, e.g. materials for the glass-contacting layers
Full Title
Press-moulding glass > Press-mould materials > Coated press-mould dies > Die top coat materials, e.g. materials for the glass-contacting layers
5 direct subcodes
Child Classifications
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- C03B 2215/16 Metals or alloys, e.g. Ni-P, Ni-B, amorphous metals
- C03B 2215/20 Oxide ceramics
- C03B 2215/22 Non-oxide ceramics
- C03B 2215/24 Carbon, e.g. diamond, graphite, amorphous carbon
- C03B 2215/26 Mixtures of materials covered by more than one of the groups C03B2215/16 - C03B2215/24, e.g. C-SiC, Cr-Cr2O3, SIALON
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