Acylurea compounds
US3977881A · kind A · utility
4Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1975 |
| Grant date | Aug 31, 1976 |
| Priority date | — |
| Expiry date | Jan 24, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to new compounds of the formula ##EQU1## M IS 1 OR 2, N IS 2, 3, 4, 5 OR 6, Z represents a polyamine radical containing a basic tertiary or a quaternary nitrogen atom. The compounds of formula (m) an useful as crosslinking agents. They an particularly useful for crosslinking gelatine, preferably gelatin present in layers of photographic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.