G03C 7/333
Coloured coupling substances
Official title: Coloured coupling substances, e.g. for the correction of the coloured image
G03C7/333 (Coloured coupling substances) appears on 63 US grants and 6 published applications in this corpus.
Search patents in G03C- Granted patents
- 63
- Published applications
- 6
- Assignees
- 14
- Inventors
- 131
- Latest grant
- 17 May 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 3 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Silver halide photographic element containing fogged emulsions for accelerated development17 May 2005US 6,893,809 B2Eastman Kodak Company
- Silver halide color negative photographic lightsensitive material and image processing method using the same29 Jul 2003US 6,599,689 B2Fuji Photo Film Co., Ltd.
- Color photographic silver halide material27 May 2003US 6,569,611 B2Agfa-Gevaert
- Color photographic silver halide material11 Mar 2003US 6,531,269 B2Agfa-Gevaert
- Silver halide color photographic light sensitive material11 Jun 2002US 6,403,293 B2Konica Corporation
- Silver halide photographic element containing fogged emulsions for accelerated developement1 Apr 2004US 2004/0063048 A1Eastman Kodak Company
- Silver halide color negative photographic lightsensitive material and image processing method using the same5 Jun 2003US 2003/0104323 A1Fuji Photo Film Co., Ltd.
- Colour photographic silver halide material21 Nov 2002US 2002/0172900 A1Agfa-Gevaert
- Colour photographic silver halide material1 Nov 2001US 2001/0036603 A1Agfa-Gevaert
- Packaged color photographic film comprising a blocked phenylenediamine developing agent and a method for processing the film27 Sep 2001US 2001/0024771 A1Eastman Kodak Company
Most cited
By later US patents
- Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes39US 4,122,027 AGeneral Electric Company · 1978
- Color photographic elements containing yellow colored magenta dye forming masking couplers24US 5,622,818 AEastman Kodak Company · 1997
- Rapid image presentation method employing silver bromide tabular grain photographic elements21US 5,840,470 AEastman Kodak Company · 1998
- Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping19US 5,641,613 AEastman Kodak Company · 1997
- Rapid image presentation method employing silver chloride tabular grain photographic elements16US 5,698,379 AEastman Kodak Company · 1997