Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1976-10-22
1978-05-09
Tovar, Jose
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
96111, 260112R, 260117, C07D29518
Patent
active
040886484
ABSTRACT:
A vinylsulphone compound of the formula ##STR1## is provided. This compound is useful as cross-linking agent for hydrophilic colloids, especially for gelatin which is in the form of layers of photographic materials.
REFERENCES:
patent: 2288197 (1942-06-01), Kranzlein et al.
patent: 2541584 (1951-02-01), Jacoby
patent: 3798222 (1974-03-01), Senning et al.
Ciba-Geigy AG
Tovar Jose
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