Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1988-12-27
1990-09-18
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...
430190, 430192, 430193, 430326, 534557, G03C 154, G03F 7023
Patent
active
049578464
ABSTRACT:
A trinuclear novolak oligomer of the formula (I): ##STR1## wherein each X is selected from the group consisting of hydroxyl group and halide group and Y is selected from the group consisting of a lower alkyl group having 1-4 carbon atoms and halogen atom.
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Blakeney Andrew J.
Jeffries, III Alfred T.
Toukhy Medhat A.
Bowers Jr. Charles L.
Olin Hunt Specialty Products Inc.
Simons William A.
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