Hardening photographic gelatin emulsions and solutions
United States Patent 2059817

Inventors:
Sheppard, Samuel E.
Houck, Robert C.
Publication Date:
11/03/1936
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/621
Other Classes:
530/354, 428/436, 428/478.200
International Classes:
G03C1/30