G03C 2007/3257
Two-equivalent coupler
Official title: {Two-equivalent coupler}
G03C2007/3257 (Two-equivalent coupler) appears on 3 US grants and 1 published applications in this corpus.
Search patents in G03C- Granted patents
- 3
- Published applications
- 1
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 2 Dec 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- 5-acylamino-2-amino-4-substituted-phenol compounds and method of using them2 Dec 2003US 6,657,083 B2Eastman Kodak Company
- Color imaging element and method of forming color diffusion transfer image24 Jul 2001US 6,265,117 B1Fuji Photo Film Co., Ltd.
- Color photographic silver halide material30 Dec 1997US 5,702,877 AAgfa-Gevaert
Most cited
By later US patents
- Color photographic silver halide material16US 5,702,877 AAgfa-Gevaert · 1997
- Color imaging element and method of forming color diffusion transfer image1US 6,265,117 B1Fuji Photo Film Co., Ltd. · 2001
- 5-acylamino-2-amino-4-substituted-phenol compounds and method of using them1US 6,657,083 B2Eastman Kodak Company · 2003