Acylaminophenol photographic couplers
United States Patent 2367531

Inventors:
Salminen, Ilmari F.
Vittum, Paul W.
Arnold, Weissberger
Publication Date:
01/16/1945
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/376
Other Classes:
534/850, 430/552, 430/569, 534/649
International Classes:
G03C7/34