Elimination coupling with azosubstituted couplers
United States Patent 2435616
US Patent References:
Method of preparation of natural color pictures
- - 2227981
Process for making natural color photographs
- - 2263012
Colored photographic image
- - 2308023
Photographic color process involving the formation of azo dye images
- - 2297732
Azo-reversal process of color photography
- - 2342620
Method of preparation of natural color pictures
- - 2227981
Process for making natural color photographs
- - 2263012
Colored photographic image
- - 2308023
Photographic color process involving the formation of azo dye images
- - 2297732
Azo-reversal process of color photography
- - 2342620
Inventors:
Vittum, Paul W.
Arnold, Weissberger
Wilder, Lot S.
Arnold, Weissberger
Wilder, Lot S.
Publication Date:
02/10/1948
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Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
558/300, 534/880, 430/390, 534/750, 534/649
International Classes:
G03C7/333
US Patent References:
| 2186849 | Manufacture of photographic silver halide emulsions |
Foreign References:
| GB503824A |