containing titanium compounds; containing zirconium compounds

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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

No child classifications to compare. This is a leaf node in both 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