Imidazolium hardeners for hydrophilic colloids
US5591863A · kind A · utility
1Cited by
19References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1995 |
| Grant date | Jan 7, 1997 |
| Priority date | — |
| Expiry date | Jun 5, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/305
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention is related to improved hardeners for proteinaceous materials. More specifically this invention is related to improved imidazolium hardeners for crosslinking a proteinaceous material for use in a photographic film. The improved hardeners are defined by the formula: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.