G03C 7/342
Combination of phenolic or naphtholic couplers
Official title: {Combination of phenolic or naphtholic couplers}
G03C7/342 (Combination of phenolic or naphtholic couplers) appears on 18 US grants and 1 published applications in this corpus.
Search patents in G03C- Granted patents
- 18
- Published applications
- 1
- Assignees
- 5
- Inventors
- 31
- Latest grant
- 20 Jan 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cyan coupler dispersion with increased activity20 Jan 2004US 6,680,165 B1Eastman Kodak Company
- Photographic elements containing blend of cyan dye-forming couplers17 Jul 2001US 6,261,755 B1Eastman Kodak Company
- Silver halide color photographic light-sensitive material28 Jan 1997US 5,597,684 AKonica Corporation
- Silver halide photographic photosensitive material containing two types of cyan dye forming couplers11 May 1993US 5,210,011 AFuji Photo Film Co., Ltd.
- Silver halide color photographic photosensitive materials containing at least two types of cyan dye forming couplers9 Mar 1993US 5,192,651 AFuji Photo Film Co., Ltd.
Most cited
By later US patents
- Silver halide photographic light-sensitive material13US 4,537,857 AKonishiroku Photo Industry Co., Ltd. · 1985
- Color photographic light-sensitive material13US 5,084,375 AFuji Photo Film Co., Ltd. · 1992
- Silver halide color photographic material11US 4,725,530 AFuji Photo Film Co., Ltd. · 1988
- Photographic materials containing stable cyan coupler formulations6US 4,885,234 AEastman Kodak Company · 1989
- Silver halide color photographic light-sensitive material5US 4,594,314 AKonishiroku Photo Industry Co., Ltd. · 1986