Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1991-05-01
1995-01-17
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...
430157, 430168, 430176, 430273, 430961, G03C 152
Patent
active
053824954
ABSTRACT:
It has surprisingly been found that a protective coating composition for diazo-containing materials can be prepared from a cellulose ester, a hydroxylated resin, a crosslinking agent, microcrystalline silica and an acid catalyst. The coating compositions of the invention provide improved protection for diazo-containing materials from physical and chemical damage. The protective coating compositions of the invention are particularly effective for protecting the diazo-containing materials from chemical attack from solvents. The invention further relates to photographic elements and phototools provided with the protective coating composition and a method for providing the coating composition.
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Pigment Handbook, vol. 1 pp. 157-159.
Hodgins George
Niziolek Thomas C.
Ray Marie B.
Bowers Jr. Charles L.
Chu John S.
Rexham Graphics Inc.
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