G03C 7/346
Phenolic couplers
Official title: {Phenolic couplers}
G03C7/346 (Phenolic couplers) appears on 156 US grants and 43 published applications in this corpus.
Search patents in G03C- Granted patents
- 156
- Published applications
- 43
- Assignees
- 20
- Inventors
- 230
- Latest grant
- 8 Jun 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 10 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 13 | 2 |
| 2002 | 6 | 7 |
| 2003 | 13 | 5 |
| 2004 | 10 | 11 |
| 2005 | 3 | 4 |
| 2006 | 4 | 5 |
| 2007 | 6 | 7 |
| 2008 | 3 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Silver halide color photographic light-sensitive material and color image-forming method8 Jun 2010US 7,732,124 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material and color image-forming method3 Nov 2009US 7,611,829 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material7 Jul 2009US 7,556,918 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material16 Sep 2008US 7,425,408 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material5 Aug 2008US 7,407,740 B2FUJIFILM Corporation
- Silver Halide color photographic light-sensitive material and color image-forming method21 May 2009US 2009/0130613 A1FUJIFILM Corporation
- Silver halide color photographic light-sensitive material15 May 2008US 2008/0113305 A1FUJIFILM Corporation
- Silver Halide Color Photographic Light-Sensitive Material1 Nov 2007US 2007/0254248 A1FUJIFILM Corporation
- Black and white photothermographic material23 Aug 2007US 2007/0196777 A1FUJIFILM Corporation
- Black and white photothermographic material23 Aug 2007US 2007/0196778 A1FUJIFILM Corporation
Most cited
By later US patents
- Cyan dye-forming couplers46US 4,333,999 AEastman Kodak Company · 1982
- Cyan coupler, and stabilizer-containing photographic element and process41US 6,132,947 AEastman Kodak Company · 2000
- Light-sensitive silver halide color photographic material27US 4,609,619 AKonishiroku Photo Industry Co., Ltd. · 1986
- Photographic elements containing cyan dye-forming coupler having a particular formula26US 5,962,198 AEastman Kodak Company · 1999
- Method for forming a cyan dye image23US 4,299,914 AKonishiroku Photo Industry Co., Ltd. · 1981