Photosensitive photographic material, a process for the production of photographic images, development baths and new hydroquinones
US4310621A · kind A · utility
9Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1980 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Dec 16, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
New DIR-compounds of the formula ##STR1## are useful in photographic materials and processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.