G03C 5/22
Direct chromate processes, i.e. without preceding silver picture, or agents therefor
G03C5/22 (Direct chromate processes, i.e. without preceding silver picture, or agents therefor) appears on 9 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 9
- Published applications
- 0
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 23 Sep 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of electronic processing of exposed photographic material23 Sep 2003US 6,624,913 B1Eastman Kodak Company
- High efficiency holograms by multiple-layer holography10 Nov 1992US 5,162,927 AHughes Aircraft Company
- Gas phase hardening of gelatin holograms27 Feb 1990US 4,904,554 AHughes Aircraft Company
- Method and apparatus for dehydrating dichromatic gelatin holograms1 Aug 1989US 4,853,306 AHughes Aircraft Company
- Method of producing stable holograms in dichromatic gelatin2 May 1989US 4,826,290 AHughes Aircraft Company
No published applications in this class yet.
Most cited
By later US patents
- High efficiency holograms by multiple-layer holography27US 5,162,927 AHughes Aircraft Company · 1992
- Method and apparatus for dehydrating dichromatic gelatin holograms16US 4,853,306 AHughes Aircraft Company · 1989
- Method of producing stable holograms in dichromatic gelatin12US 4,826,290 AHughes Aircraft Company · 1989
- Process for the production of lightfast phase holograms utilizing ammonium dichromate and gelatin as photosensitive recording material10US 4,029,507 AAgfa-Gevaert · 1977
- Controlled angle viewing screens by interference techniques6US 3,996,051 ARCA Corporation · 1976