Derivatives of aromatic carboxylic acids from aromatic carboxyli

Details Derivatives of aromatic carboxylic acids from aromatic carboxyli Derivatives of aromatic carboxylic acids from aromatic carboxyli

1997-03-07

1998-06-02

Yoon, Tae

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523116, 523118, 528272, 528296, 528306, 106 35, 4332281, A61C 500, C08G 6352

Patent

active

057601011

ABSTRACT:
A condensation product of a hydroxy(meth)acrylate compound corresponding to the formula ##STR1## in which R.sub.1 is hydrogen or methyl, A is a trivalent aliphatic residue with 3 to 15 C-atoms which is unsubstituted or substituted with OH groups and optionally contains up to 5 ether bridges, and an aromatic carboxylic acid anhydrides compound of the formula (II) or an aromatic carboxylic acid anhydride chloride compound of the formula (II) ##STR2## in which Ar is a benzene ring or a naphthalene ring, n is 1 or 2, and m is 0, 1 or 2. The condensation product has a molar mass of 300 and to 10,000 daltons. The condensation product is useful as an adhesive to bond dental filling materials to teeth.

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Patent Abstracts of Japan, vol. 8, No. 3 (C-203) for JP 58-173175, Oct. 12, 1983.
Derwent Abstract, AN 82-29376E for JP 57-038750, Mar. 3, 1982.

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