G03C 7/3212
Couplers characterised by a group not in coupling site
Official title: {Couplers characterised by a group not in coupling site, e.g. ballast group, as far as the coupling rest is not specific}
G03C7/3212 (Couplers characterised by a group not in coupling site) appears on 95 US grants and 14 published applications in this corpus.
Search patents in G03C- Granted patents
- 95
- Published applications
- 14
- Assignees
- 13
- Inventors
- 169
- Latest grant
- 8 Apr 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 4 |
| 2004 | 1 | 3 |
| 2005 | 3 | 0 |
| 2006 | 1 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Photographic element with speed-enhancing compound8 Apr 2008US 7,354,701 B2Eastman Kodak Company
- Color material and silver halide color photographic light-sensitive material9 Oct 2007US 7,279,271 B2Konica Minolta Photo Imaging, Inc.
- Silver salt photothermographic dry imaging material10 Apr 2007US 7,202,018 B2Konica Corporation
- Photographic material with improved development inhibitor releases13 Feb 2007US 7,175,975 B2Eastman Kodak Company
- 1H-pyrazolo[1,5-b]-1,2,4-triazole compound, coupler and silver halide color photographic light-sensitive material7 Feb 2006US 6,995,273 B2Fuji Photo Film Co., Ltd.
- Photographic element with speed-enhancing compound7 Jun 2007US 2007/0128560 A1Eastman Kodak Company
- Color material and silver halide color photographic light-sensitive material10 Aug 2006US 2006/0177779 A1Konica Corporation
- Photographic material with improved development inhibitor releasers12 Jan 2006US 2006/0008751 A1Eastman Kodak Company
- Silver salt photothermographic dry imaging material1 Apr 2004US 2004/0063050 A1Konica Corporation
- Color photographic print material19 Feb 2004US 2004/0033450 A1Agfa-Gevaert
Most cited
By later US patents
- Silver halide color photographic light sensitive material containing a coupler containing at least one of a sulfamoylphenylenesulfonyl, sulfamoylaminophenylenesulfonyl, or sulfoamidophenylenesulfonyl group55US 4,525,450 A1985
- Nondiffusible photographic couplers and photographic elements and processes employing same50US 4,443,536 AEastman Kodak Company · 1984
- Color photographic material with color forming ligand compounds and a method of processing38US 4,764,454 AFuji Photo Film Co., Ltd. · 1988
- Blocked photographically useful compounds and photographic compositions, elements and processes employing them35US 4,358,525 AEastman Kodak Company · 1982
- Photographic elements containing cyan dye-forming coupler having a particular formula26US 5,962,198 AEastman Kodak Company · 1999