Hardening of gelatin
United States Patent 2726162

Inventors:
Allen, Charles F. H.
Laakso, Thomas T. M.
Publication Date:
12/06/1955
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Assignee:
EASTMAN KODAK CO
Primary Class:
106/154.110
Other Classes:
430/451, 530/354, 558/46
International Classes:
G03C1/30