G03C 7/30558
Heterocyclic group
Official title: {Heterocyclic group (G03C7/30552 takes precedence)}
G03C7/30558 (Heterocyclic group) appears on 63 US grants and 4 published applications in this corpus.
Search patents in G03C- Granted patents
- 63
- Published applications
- 4
- Assignees
- 11
- Inventors
- 117
- Latest grant
- 17 Jul 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 0 |
| 2002 | 4 | 1 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Silver halide color photosensitive material17 Jul 2007US 7,244,551 B2FUJIFILM Corporation
- Method of processing a photographic element containing electron transfer agent releasing couplers16 Aug 2005US 6,929,905 B2Eastman Kodak Company
- Color photographic material with improved sensitivity comprising a pyrazolotriazole coupler2 Mar 2004US 6,699,652 B1Eastman Kodak Company
- Yellow coupler and silver halide color photographic lightsensitive material containing the same9 Dec 2003US 6,660,465 B2Fuji Photo Film Co., Ltd.
- Color photographic element having improved contrast and compatibility with both dry and conventional processing18 Nov 2003US 6,649,332 B2Eastman Kodak Company
- Silver halide color photosensitive material29 Jun 2006US 2006/0141401 A1Fuji Photo Film Co., Ltd.
- Method of processing a photographic element containing electron transfer agent releasing couplers18 Sep 2003US 2003/0175628 A1Eastman Kodak Company
- Yellow coupler and silver halide color photographic lightsensitive material containing the same5 Jun 2003US 2003/0104324 A1Fuji Photo Film Co., Ltd.
- Color photographic element having improved contrast and compatibility with both dry and conventional processing28 Nov 2002US 2002/0177086 A1Eastman Kodak Company
Most cited
By later US patents
- Color photographic light-sensitive material32US 3,933,500 AFuji Photo Film Co., Ltd. · 1976
- Image formation in color reversal materials using strong inhibitors23US 5,411,839 AEastman Kodak Company · 1995
- Photographic recording material for accelerated development16US 4,912,025 AEastman Kodak Company · 1990
- Color photographic recording material containing a coupler releasing a photographically active compound13US 5,021,330 AAgfa-Gevaert · 1991
- Silver halide color photographic material12US 5,194,369 AFuji Photo Film Co., Ltd. · 1993