CPC Subgroup
C03C 8/20 containing titanium compounds; containing zirconium compounds
Full Title
Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions > Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions > containing titanium compounds; containing zirconium compounds
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