| Patents for C09H 7 - Preparation of water-insoluble gelatine (109) | |
|---|---|
| 01/1978 | |
| 01/03/1978 | US4066636 Method of hardening gelatin |
| 10/1977 | |
| 10/25/1977 | US4055554 Gel strength enhancer for gelatin compositions including an oxidized polysaccharide |
| 08/1977 | |
| 08/02/1977 | US4039520 Photography |
| 07/1977 | |
| 07/12/1977 | US4035319 Vinyl copolymers, gelatin |
| 02/1977 | |
| 02/08/1977 | US4007163 A mesyloxy containing compound and vinylsulfonyl |
| 01/1977 | |
| 01/04/1977 | US4001201 Process for crosslinking hydrophilic colloids using vinyl substituted, SO2 containing, amine salt |
| 11/1976 | |
| 11/16/1976 | US3992366 Process for crosslinking hydrophilic colloids |
| 05/1976 | |
| 05/18/1976 | US3958050 Process for crosslinking hydrophilic colloids |
| 04/1976 | |
| 04/20/1976 | US3951940 Method of producing a hardened gelatin layer using aqueous solution of a 2-halogeno pyridinium compound |
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