Dental material

Details Dental material Dental material

1988-08-29

1990-03-20

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526245, 5263231, C08F 1820

Patent

active

049102753

ABSTRACT:
A dental material comprising a copolymer which comprises at least 10% by weight of a polymeric unit of at least one of the following monomers: ##STR1## wherein R.sup.1 and R.sup.2 are each H, CH.sub.3 or CF.sub.3, R.sup.3 is H, CH.sub.3 or F, A is --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH(CH.sub.3)--, --CH(OH)--, --CH.sub.2 CH(OH)CH.sub.2 --, --CH(OCOCH.sub.3)--or --CH.sub.2 CH(OCOCH.sub.3 (CH.sub.2 --, A' is the same group as A or --CH.sub.2 CH.sub.2 CH.sub.2 --, 2 is an alkylene group having 2 to 10 carbon atoms, m and n are each zero or a number of 1 to 5, p is a number of 1 to 3, q is a number of 1 to 5, provided that at least one of R.sup.1 and R.sup.2 is CF.sub.3 when R.sup.3 is H or CH.sub.3.

REFERENCES:
patent: 4616073 (1986-10-01), Antonucci
patent: 4725631 (1988-02-01), Bastioli et al.

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