Radiation imagery chemistry: process – composition – or product th – Nonradiation sensitive image processing compositions or... – Process of preparing composition from plural preformed...
Patent
1979-03-14
1980-11-04
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Nonradiation sensitive image processing compositions or...
Process of preparing composition from plural preformed...
430466, 430467, G03C 530
Patent
active
042321131
ABSTRACT:
Developer for use in color photography confectioned in a plurality of concentrated compositions in which one first concentrated composition is a liquid composition substantially free of water including the p-phenylenediamine compound, and possibly other components of the developer such as antioxidants, dissolved in an organic solvent.
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patent: 3785824 (1974-01-01), Fisch
patent: 3981732 (1976-09-01), Emoto
patent: 3996054 (1976-12-01), Santemma
Alexander Cruzan
Downey Mary F.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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