G03C 1/00 Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Photosensitive materials
CPC: Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04)
Full Title
Full titles differ between systems:
Photosensitive materials
Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04)
Of 15 combined children, 14 exist in both systems.
1 codes are CPC-only extensions.
8 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G03C 1/005 Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein (catalytic amounts of silver halide in dry silver systems G03C1/494) since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- G03C 1/494 Silver salt compositions other than silver halide emulsions; Photothermographic systems since 1990 IPC+CPC Available in IPC and CPC
- G03C 1/50 Compositions containing noble metal salts other than silver salts, as photosensitive substances IPC+CPC Available in IPC and CPC
- G03C 1/52 Compositions containing diazo compounds as photosensitive substances (G03C1/64 takes precedence) IPC+CPC Available in IPC and CPC
- G03C 1/64 Compositions containing iron compounds as photosensitive substances IPC+CPC Available in IPC and CPC
- G03C 1/66 Compositions containing chromates as photosensitive substances IPC+CPC Available in IPC and CPC
- G03C 1/67 Compositions containing cobalt salts or cobalt compounds as photosensitive substances since 1990 IPC+CPC Available in IPC and CPC
- G03C 1/675 Compositions containing polyhalogenated compounds as photosensitive substances (for photopolymerisable or photocrosslinkable compositions G03F7/028, covered by G03C1/72) since 1990 IPC+CPC Available in IPC and CPC
- G03C 1/685 Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances since 1990 IPC+CPC Available in IPC and CPC
- G03C 1/695 Compositions containing azides as the photosensitive substances (for photopolymerisable or photocrosslinkable compositions G03F7/008) since 1990 IPC+CPC Available in IPC and CPC
- G03C 1/705 Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems (used as photoresist G03F7/004) since 1990 IPC+CPC Available in IPC and CPC
- G03C 1/72 Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 IPC+CPC Available in IPC and CPC
- G03C 1/74 Applying photosensitive compositions to the base; Drying processes therefor (G03C1/496 takes precedence) +26 CPC IPC+CPC Available in IPC and CPC
- G03C 1/76 Photosensitive materials characterised by the base or auxiliary layers +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G03,2013–2023, worldwide · Source: EPO PATSTAT
- CANON 31,416
- CANON JP 17,469
- KYOCERA DOCUMENT SOLUTIONS 9,845
- RICOH COMPANY 9,807
- ASML NETHERLANDS NL 9,427
- FUJIFILM JP 7,225
- KONICA MINOLTA CORPORATION 7,216
- FUJI XEROX COMPANY 5,711
- CARL ZEISS SMT DE 4,971
- RICOH COMPANY JP 4,123
Top Applicants (CPC)
Class G03,2013–2023, worldwide · Source: EPO PATSTAT
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682