Merger,F., Chemische Berichte, 1968, vol. 101, p. 2419 - 2425
作者:Merger,F.
DOI:——
日期:——
Acylurea compounds
申请人:Ciba-Geigy AG
公开号:US03977881A1
公开(公告)日:1976-08-31
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.