G03C 1/58
Coupling substances therefor
G03C1/58 (Coupling substances therefor) appears on 43 US grants and 7 published applications in this corpus.
Search patents in G03C- Granted patents
- 43
- Published applications
- 7
- Assignees
- 16
- Inventors
- 85
- Latest grant
- 27 Nov 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Azolinyl acetic acid derivative and azolinyl acetic acid derivative containing recording material27 Nov 2007US 7,300,738 B2FUJIFILM Corporation
- Heat-sensitive recording material9 Aug 2005US 6,927,007 B2Fuji Photo Film Co., Ltd.
- Heat-sensitive recording material1 Jun 2004US 6,743,750 B2Fuji Photo Film Co., Ltd.
- Phenylurethane compounds and methods for producing same, asymmetric urea compounds and methods for producing same, barbituric acid derivative, and diazo thermal recording material containing the derivative13 Apr 2004US 6,720,421 B2Fuji Photo Film Co., Ltd.
- Pyrrolopyrimidineone compound and heat-sensitive recording material using the same12 Feb 2002US 6,346,359 B1Fuji Photo Film Co., Ltd.
- Recording material4 Nov 2004US 2004/0220054 A1Fuji Photo Film Co., Ltd.
- Azolinyl acetic acid derivative and azolinyl acetic acid derivative containing recording material12 Aug 2004US 2004/0157157 A1Fuji Photo Film Co., Ltd.
- Heat-sensitive recording material6 May 2004US 2004/0086798 A1Fuji Photo Film Co., Ltd.
- Heat-sensitive recording material11 Mar 2004US 2004/0048185 A1Fuji Photo Film Co., Ltd.
- Phenylurethane compounds and methods for producing same, asymmetric urea compounds and methods for producing same, barbituric acid derivative, and diazo thermal recording material containing the derivative4 Sep 2003US 2003/0166961 A1Fuji Photo Film Co., Ltd.
Most cited
By later US patents
- Negative image diazography formulation with acid labile coupler, diazonium compound and carboxylic acid anhydride17US 4,289,839 AJames River Graphics, Inc. · 1981
- Negative-working diazotype photoreproduction15US 4,252,884 AJames River Graphics, Inc. · 1981
- Photosensitive material and process for developing the same14US 4,374,193 AKimoto Co., Ltd. · 1983
- Light-sensitive material13US 4,902,599 AFuji Photo Film Co., Ltd. · 1990
- Heat-sensitive recording material13US 5,773,186 AFuji Photo Film Co., Ltd. · 1998