Gas separation: apparatus – Solid sorbent apparatus – With control means responsive to sensed condition
Patent
1976-04-29
1977-10-25
Daus, Donald G.
Gas separation: apparatus
Solid sorbent apparatus
With control means responsive to sensed condition
260112R, 260117, 260268C, 260268R, 260268PL, 260553E, 214 6DK, 214 85SS, 271 84, G03C 130, C07C12722, C07D29512, B65G 5710
Patent
active
040554317
ABSTRACT:
This invention relates to new compounds of the formula ##STR1## 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 are particularly useful for crosslinking gelatine, preferably gelatin present in layers of photographic material.
REFERENCES:
patent: 3017041 (1962-01-01), Hawkes et al.
patent: 3405932 (1968-10-01), Dame
patent: 3516653 (1970-06-01), Bland
patent: 3747920 (1973-07-01), Linkus
patent: 3833132 (1974-09-01), Alduk
patent: 3891204 (1975-06-01), Mager
patent: 3977881 (1976-08-01), Kyburz
Kitzing Rainer
Kyburz Rolf
Ciba-Geigy AG
Daus Donald G.
Tovar Jose
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