Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Diazo-type process – i.e. – producing dye image by reacting...
Patent
1981-08-06
1982-12-28
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Diazo-type process, i.e., producing dye image by reacting...
430309, 430331, 430464, 252156, G03C 158
Patent
active
043662242
ABSTRACT:
A developer composition for positive photosensitive lithographic printing plates and photoresists comprising an aqueous solution of an inorganic lithium compound and sodium metasilicate.
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American Hoechst Corporation
Brown J. Travis
Roberts Richard S.
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