Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1985-07-25
1987-01-06
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, 430158, 430161, 430162, 430143, 430271, 430275, 430276, 430293, G03C 180, G03C 184
Patent
active
046346520
ABSTRACT:
This invention relates to an improved overlay proofing film. More, particularly, the invention relates to an improved overlay proofing film comprising a substantially transparent polyester base film which has deposed thereon a substantially uniform adhesive layer comprising aluminum oxide, which adhesive layer has deposed thereon a substantially uniform optical layer comprising magnesium fluoride, said polyester base film being coated on either side with a light sensitive mixture of
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American Hoechst Corporation
Bowers Jr. Charles L.
Roberts Richard S.
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