Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1990-12-24
1992-03-31
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430558, G03C 7327, G03C 738
Patent
active
051007720
ABSTRACT:
A magenta dye-forming coupler for photographic material is disclosed. The coupler is a polymer derived from a monomer having the formula: ##STR1## R.sub.1 represents hydrogen or a substituent, X represents hydrogen or a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent,
REFERENCES:
patent: 4639413 (1987-01-01), Kawagishi et al.
patent: 4900655 (1990-02-01), Nakazyo et al.
Chen Tien-teh
Cowan Stanley W.
Schofield Edward
Tang Ping W.
Bowers Jr. Charles L.
Eastman Kodak Company
Levitt Joshua G.
Wright Lee C.
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