Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1984-06-11
1985-10-29
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430166, 430191, 430192, 430323, 430326, 430330, 430331, G03C 160, G03C 176, G03F 726
Patent
active
045500690
ABSTRACT:
The invention provides a positive working photosensitive composition which comprises at least one novolak resin, at least one o-quinone diazide and a propylene glycol alkyl ether acetate.
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American Hoechst Corporation
Bowers Jr. Charles L.
Roberts Richard S.
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