G03C 7/30529
Having the coupling site in rings of cyclic compounds
Official title: {having the coupling site in rings of cyclic compounds}
G03C7/30529 (Having the coupling site in rings of cyclic compounds) appears on 105 US grants and 3 published applications in this corpus.
Search patents in G03C- Granted patents
- 105
- Published applications
- 3
- Assignees
- 12
- Inventors
- 168
- Latest grant
- 22 Sep 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Silver halide photographic material and image forming method using the same22 Sep 2009US 7,592,133 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material, pyrrolotriazole compound, and dye-forming compound10 Aug 2004US 6,773,875 B2Fuji Photo Film Co., Ltd.
- Color photographic element containing a heterocyclic dye-forming coupler4 May 2004US 6,730,465 B2Eastman Kodak Company
- Photographic element containing a stable aryloxypyrazolone coupler and process employing the same28 Aug 2001US 6,280,919 B1Eastman Kodak Company
- Photographic element containing a DIR coupler29 May 2001US 6,238,855 B1Eastman Kodak Company
- Silver halide photographic material and image forming method using the same30 Oct 2008US 2008/0268385 A1FUJIFILM Corporation
- Color photographic element containing a heterocyclic dye-forming coupler6 Nov 2003US 2003/0207219 A1Eastman Kodak Company
- Silver halide color photographic light-sensitive material, pyrrolotriazole compound, and dye-forming compound20 Jun 2002US 2002/0076664 A1Fuji Photo Film Co., Ltd.
Most cited
By later US patents
- Method of forming color image comprising heterocyclic magenta dye-forming coupler72US 4,540,654 AFuji Photo Film Co., Ltd. · 1985
- Method for forming magenta color image69US 4,500,630 AFuji Photo Film Co., Ltd. · 1985
- Cyan image forming method and silver halide color photographic material containing cyan coupler56US 5,256,526 AFuji Photo Film Co., Ltd. · 1993
- Pyrazolo(1,5-B)-1,2,4-triazole derivatives41US 4,621,046 AFuji Photo Film Co., Ltd. · 1986
- Photographic silver halide element and process26US 4,853,319 AEastman Kodak Company · 1989