Production process of polyphenol diesters, and positive photosen

Details Production process of polyphenol diesters, and positive photosen Production process of polyphenol diesters, and positive photosen

1998-12-14

2000-08-22

Baxter, Janet

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430192, 552292, 558 56, 558 58, G03C 1492, C07C 5008, C07C30300

Patent

active

061069949

ABSTRACT:
A process for producing a polyphenol diester comprises esterifying a polyphenol compound and a naphthoquinone-1,2-diazidesulfonyl halide in the presence of for example monomethyldicyclohexylamine, and a positive photosensitive composition contains the resultant ester. According to this process, a diester of any polyphenol compound can be obtained with ease in a good yield, and a composition using the diester can achieve a high definition and a satisfactory exposure margin.

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