Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1988-05-31
1989-11-28
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430351, 430559, 430619, G03C 114
Patent
active
048837474
ABSTRACT:
A photothermographic element comprising a support bearing a photothermographic medium, the medium comprising a light sensitive silver halide in reactive association with a silver salt of an organic acid and a color generating reducing agent which is a leuco compound which is oxidisable by silver ions into a colored dye of the general formula: ##STR1## in which: n=0, 1 or 2,
REFERENCES:
patent: 4460681 (1984-07-01), Frenchik
patent: 4585734 (1986-04-01), Weigel
patent: 4587211 (1986-05-01), Ishida et al.
patent: 4708928 (1987-11-01), Geisler
Grieve Duncan M. A.
Poon Stephen S. C.
Sakizadeh Kumars
Thien Tran V.
Weigel David C.
Baxter Janet C.
Kirn Walter N.
Litman Mark A.
Michl Paul R.
Minnesota Mining and Manufacturing Company
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