Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1986-03-27
1988-04-12
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...
430192, 430193, 534557, G03C 154, C07C11300
Patent
active
047374373
ABSTRACT:
The specification discloses photosensitizers comprising esters of 1-oxo-2-diazo-naphthalene sulfonic acid and 4-benzyl-1,2,3-trihydroxybenzene, photo resists based thereon and methods for making the necessary intermediates and final products.
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Cohen Louis C.
Gutsell, Jr. Erwin S.
Bowers Jr. Charles L.
East Shore Chemical Co.
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