G03C 8/045
With the formation of a subtractive dye image
Official title: {with the formation of a subtractive dye image}
G03C8/045 (With the formation of a subtractive dye image) appears on 21 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 21
- Published applications
- 0
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 26 Dec 1995
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and material for photographic processing26 Dec 1995US 5,478,703 AEastman Kodak Company
- Dying etched-bleached silver images using dye solutions with glycol ether17 Feb 1987US 4,643,962 AMitsubishi Paper Mills Limited
- Photographic products and processes17 Jun 1986US 4,595,764 APolaroid Corporation
- Photographic products and processes27 May 1986US 4,591,628 APolaroid Corporation
- Photographic products and processes27 May 1986US 4,591,646 APolaroid Corporation
No published applications in this class yet.
Most cited
By later US patents
- Dye substituted cyclic 1,3-sulfur-nitrogen compounds as dye image-forming materials in photography37US 4,098,783 APolaroid Corporation · 1978
- Photographic products and processes13US 4,468,448 APolaroid Corporation · 1984
- Diffusion transfer elements comprising color-providing compounds capable of cleavage upon reaction with silver ions and silver ion barrier layers11US 4,060,417 APolaroid Corporation · 1977
- Photographic products and processes10US 4,468,450 APolaroid Corporation · 1984
- Photographic products and processes9US 4,468,449 APolaroid Corporation · 1984