Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1983-02-15
1984-08-21
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430193, 430292, 260141, 260146D, G03C 152
Patent
active
044670257
ABSTRACT:
A photosensitive composition containing an o-naphthoquinonediazido compound of Formula I ##STR1## wherein X is an oxy or amino group, Y is a cyano or nitro group, and n is an integer of 2 to 5, and an organic dye capable of changing its color when the photosensitive composition is exposed.
REFERENCES:
patent: 3046121 (1962-07-01), Schmidt
patent: 3201239 (1965-08-01), Neugebauer et al.
patent: 3969118 (1976-07-01), Stahlhofen et al.
Goto Kiyoshi
Kawada Hiroh
Kita Noriyasu
Bierman Jordan B.
Bierman Linda
Brammer Jack P.
Konishiroku Photo Industry Co,., Ltd.
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