Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1990-06-08
1991-02-12
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
430165, 430192, 430330, 430331, G03F 732, G03F 7023
Patent
active
049923560
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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