Nondiffusing sulphonamide coupler for color photography
United States Patent 2298443

Inventors:
Arnold, Weissberger
Publication Date:
10/13/1942
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/376
Other Classes:
564/86, 564/91, 430/384, 430/388, 430/556, 564/89, 430/552, 564/84, 564/92, 430/558
International Classes:
G03C7/32; G03C7/34