Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1984-06-22
1985-03-12
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...
430 5, 430145, 430165, 430166, 430192, 430294, 430300, 430309, 430323, 430326, G03C 1495, G03C 160, G03C 154
Patent
active
045045666
ABSTRACT:
Multilayer photosolubilizable litho element comprising (1) support, (2) photosolubilizable dye or pigment-containing layer having an optical density in the visible region of the spectrum of at least 2.0 comprising a quinone diazide and at least one acidic polymeric binder, and (3) photosolubilizable layer comprising a quinone diazide compound and at least two acidic polymeric binders having carboxylic acid substituents, one binder having an acid number below 110, preferably poly(methylmethacrylate/methacrylic acid). The element is useful as a single exposure positive contact litho film.
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Bowers Jr. Charles L.
E. I. Du Pont de Nemours and Company
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