Light-sensitive composition comprising phthalic anhydride

Details Light-sensitive composition comprising phthalic anhydride Light-sensitive composition comprising phthalic anhydride

1981-02-12

1981-12-22

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430191, 430192, 430193, G03C 152

Patent

active

043071732

ABSTRACT:
Disclosed is an improved photosensitive composition having increased light sensitivity. Said composition comprises an O-quinone diazide, phthalic anhydride and an aromatic sulfonic acid.

REFERENCES:
patent: 2374563 (1945-04-01), Reichel
patent: 4009033 (1977-02-01), Bakos et al.
patent: 4115128 (1978-09-01), Kita

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