Title:
1-naphthol-2-carboxylic acid amide couplers for color photography
United States Patent 2474293

Inventors:
Arnold, Weissberger
Vittum, Paul W.
Publication Date:
06/28/1949
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/376
Other Classes:
430/384, 430/553, 564/158, 430/552, 430/546, 430/543, 564/353, 564/126
International Classes:
G03C7/34
Other References:
None