DIR coupler that forms colorless reaction product
US4063950A · kind A · utility
9Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1975 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Jun 23, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/158
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-sensitive silver halide photographic material comprising a new development inhibitor releasing type compound and a process for developing thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.