Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1995-04-27
1999-03-02
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430543, 430955, G03C 108, G03C 726, G03C 732
Patent
active
058769129
ABSTRACT:
an alkylene-, oxyalkylene- or arylene- thio coupling-off group, substituted with a carboxylic acid or dialkylamino group, have dye-forming and/or bleach-accelerating properties. The couplers are generally associated with a silver halide emulsion layer coated on a support to form a single color or multi-color photographic element.
REFERENCES:
patent: 5143821 (1992-09-01), Crawley et al.
Research Disclosure 24241, Jun. 1984.
Crawley Michael William
Gibson Andrew William
Stanley Paul Louis Reginald
Williamson Hugh Martin
Eastman Kodak Company
Kluegel Arthur E.
Letscher Geraldine
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