DIFF Main Group
C03C 8/00 Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
Introduced: January 1985
Additional Content IPC
Cold glazes for ceramics
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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- C03C 8/02 Frit compositions, i.e. in a powdered or comminuted form since 1985 IPC+CPC Available in IPC and CPC
- C03C 8/14 Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions since 1985 IPC+CPC Available in IPC and CPC
- C03C 8/22 containing two or more distinct frits having different compositions since 1985 IPC+CPC Available in IPC and CPC
- C03C 8/24 Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders since 1985 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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