Dihydrazides
US5686222A · kind A · utility
0Cited by
25References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1996 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Dec 6, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/061
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This subject invention relates to novel dihydrazide compounds useful as dot-promoting agents in photographic image systems, methods for making them, and to photographic materials which comprise these compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.