Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1983-12-29
1984-10-16
Bowers, Charles L.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430190, 430193, 430191, 430302, G03C 160, G03C 154, G03F 708
Patent
active
044775539
ABSTRACT:
There is disclosed a photosensitive composition comprising an o-quinonediazide compound and, as a binder resin, a resin containing in the molecule the unit represented by the following formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 have the same meanings as defined in the specification.
The photosensitive composition according to the present invention has excellent resistance to chemicals and long press-life, and is excellent in alkali-solubility and difficult to form scumming.
REFERENCES:
patent: 3635709 (1972-01-01), Kobayashi
patent: 3647443 (1972-03-01), Rauner et al.
patent: 4123279 (1978-10-01), Kobayashi
patent: 4306010 (1981-12-01), Uehara et al.
patent: 4308368 (1981-12-01), Kubo et al.
Goto Kiyoshi
Uehara Masafumi
Yamamoto Takeshi
Bowers Charles L.
Konishiroku Photo Industry Co,., Ltd.
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