Photopolymerizable polyester containing compositions

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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Details

430285, 430288, 430908, 20415915, 20415916, 20415919, G03C 168

Patent

active

042936365

ABSTRACT:
A photosensitive composition comprising polyester, a half-esterified hydroxy alkyl acrylate (or methacrylate) of polybasic acid (or its anhydride), an ethylenic unsaturated bond-having vinyl monomer and a photo-polymerization initiator is especially useful for processing printed circuit boards.

REFERENCES:
patent: 3840390 (1974-10-01), Kozuet al.
patent: 3953214 (1976-04-01), Lipson et al.

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