G03C 1/585
Precursors
Official title: {Precursors}
G03C1/585 (Precursors) appears on 3 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 3
- Published applications
- 0
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 20 Feb 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light-sensitive material20 Feb 1990US 4,902,599 AFuji Photo Film Co., Ltd.
- Chromogenic compositions containing stabilized phenolic coupler compounds, recording materials and processes utilizing same27 Mar 1984US 4,439,512 ALa Cellophane
- Negative-working diazo type photoreproduction having improved pH control22 Dec 1981US 4,307,170 AJames River Graphics, Inc.
No published applications in this class yet.
Most cited
By later US patents
- Light-sensitive material13US 4,902,599 AFuji Photo Film Co., Ltd. · 1990
- Chromogenic compositions containing stabilized phenolic coupler compounds, recording materials and processes utilizing same8US 4,439,512 ALa Cellophane · 1984
- Negative-working diazo type photoreproduction having improved pH control2US 4,307,170 AJames River Graphics, Inc. · 1981