Diacrylic and dimethacrylic esters and their use
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United States of America Patent
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Apr 1, 1986
Issued Date -
N/A
app pub date -
Dec 7, 1983
filing date -
Sep 24, 1982
priority date (Note) -
Expired
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Abstract
The present invention relates to a method of binding particles, in particular dental filling materials, comprising incorporating into the materials at least one compound selected from the group of diacrylic and dimethacrylic acid esters of the general formula ##STR1## wherein R.sup.1 is a divalent araliphatic, cycloaliphatic or aromatic group having 2 to 18 carbon atoms; R.sup.2 is hydrogen or methyl; R.sup.3 is a --CH.dbd.CH-- or --(CH.sub.2).sub.n -- wherein n is 2 to 4, a substituted, unsubstituted or hydrogenated benzene group, cyclohexane, or cis-norbornene group and R.sup.4 is H or ##STR2## wherein R.sup.5 is n-butyl, isobutyl, hexyl, substituted or unsubstituted phenyl or cyclohexyl. Dental restoratives and filling materials are also disclosed.
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