Process for the preparation of poly (vinylphenol) from poly (acetoxystyrene)

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United States of America Patent

PATENT NO 4689371
SERIAL NO

06882870

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Abstract

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Polymers of 4-acetoxystyrene are hydrolyzed by methanolysis with quaternary ammonium hydroxides to poly-p-vinylphenol. Such polymers are useful in photoresists and in the manufacture of metal treatment compositions.

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Patent Owner(s)

Patent OwnerAddress
TRIQUEST L P1601 W LBJ FREEWAY DALLAS TX 75234

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Elmore, Jimmy D Louisville, KY 16 276
Schweri, Raphael J Louisville, KY 1 25

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