Document Type and Number:
Japanese Patent JPS509648
Kind Code:
A
Abstract:
The present invention relates a process for crosslinking hydrophilic colloids, especially gelatine. The colloid is crosslinked with a water-soluble organic crosslinking agent which is allowed to act in a system consisting of at least two colloid layers. At least one layer contains the crosslinking agent and at least one layer which is free from crosslinking agents contains an aprotic solvent.
Application Number:
JP4009074A
Publication Date:
January 31, 1975
Filing Date:
April 10, 1974
Export Citation:
International Classes:
B01J13/00; C08F261/04; C08F289/00; C08J3/20; C08J3/26; C08L89/00; C09H7/00; G03C1/30; (IPC1-7): G03C1/04
Domestic Patent References:
| JPS5087011A | 1975-07-12 |
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