G03C 7/3815
With one heterocyclic ring
Official title: {with one heterocyclic ring}
G03C7/3815 (With one heterocyclic ring) appears on 20 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 20
- Published applications
- 0
- Assignees
- 6
- Inventors
- 39
- Latest grant
- 18 Feb 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photographic element containing azole couplers18 Feb 2003US 6,521,397 B1Eastman Kodak Company
- Method of forming a photographic color image25 Jun 2002US 6,410,216 B1Eastman Kodak Company
- Silver halide photographic light sensitive material comprising a coupler capable of chelation and method for forming images by the use thereof10 Nov 1998US 5,834,164 AKonica Corporation
- Photographic silver halide color materials16 May 1995US 5,415,981 AEastman Kodak Company
- Method of forming silver halide photographic cyan dye image16 May 1995US 5,415,990 AKonica Corporation
No published applications in this class yet.
Most cited
By later US patents
- Compositions for the detection of hydrogen peroxide66US 4,089,747 AEastman Kodak Company · 1978
- Silver halide color photographic material containing cyan dye-forming coupler52US 5,143,824 AFuji Photo Film Co., Ltd. · 1992
- Color-forming aminopyrimidine couplers and silver halide color photographic light-sensitive materials containing the coupler18US 5,017,466 AFuji Photo Film Co., Ltd. · 1991
- Dye-forming coupler, a silver halide color photographic material using same, and a method for processing the silver halide color photographic material16US 5,202,224 AFuji Photo Film Co., Ltd. · 1993
- Photographic silver halide color materials12US 5,415,981 AEastman Kodak Company · 1995