G03C 7/327
Macromolecular coupling substances
G03C7/327 (Macromolecular coupling substances) appears on 66 US grants and 2 published applications in this corpus.
Search patents in G03C- Granted patents
- 66
- Published applications
- 2
- Assignees
- 8
- Inventors
- 79
- Latest grant
- 12 Dec 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Polymer microspheres containing latent colorants and method of preparation12 Dec 2006US 7,148,280 B2Eastman Kodak Company
- Polymer microspheres containing latent colorants and method of preparation5 Jul 2005US 6,914,106 B2Eastman Kodak Company
- Method of producing a photographic copolymer coupler29 Jul 2003US 6,599,998 B1Fuji Photo Film Co., Ltd.
- Vinyl hyperbranched polymer with photographically useful end groups26 Jun 2001US 6,252,025 B1Eastman Kodak Company
- Color photographic silver halide material13 Jun 2000US 6,074,809 AAgfa-Gevaert
Most cited
By later US patents
- Polymerization of monomeric color couplets34US 4,080,211 AAgfa-Gevaert · 1978
- Vinyl hyperbranched polymer with photographically useful end groups28US 6,252,025 B1Eastman Kodak Company · 2001
- Polymers of amide compounds useful in photographic materials27US 4,215,195 AEastman Kodak Company · 1980
- Copolymer latex and photographic silver halide materials containing such latex23US 4,340,664 AAgfa-Gevaert · 1982
- Silver halide color light-sensitive material containing magenta color image-forming polymer or copolymer coupler latex20US 4,576,910 AFuji Photo Film Co., Ltd. · 1986