CPC Subgroup Additional Only
C03C 2217/21 Oxides
Full Title
Coatings on glass > Materials for coating a single layer on glass > Oxides
14 direct subcodes
Child Classifications
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- C03C 2217/211 SnO2
- C03C 2217/212 TiO2
- C03C 2217/213 SiO2
- C03C 2217/214 Al2O3
- C03C 2217/215 In2O3
- C03C 2217/216 ZnO
- C03C 2217/217 FeOx, CoOx, NiOx
- C03C 2217/218 V2O5, Nb2O5, Ta2O5
- C03C 2217/219 CrOx, MoOx, WOx
- C03C 2217/22 ZrO2
- C03C 2217/228 Other specific oxides
- C03C 2217/229 Non-specific enumeration
- C03C 2217/23 Mixtures
- C03C 2217/24 Doped oxides
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