The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 1992
Filed:
Feb. 02, 1990
Bernhard Hanke, Schwalbach, DE;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The invention relates to a dental filling material containing at least one polymerizable (meth)-acrylic acid ester, characterized in that it contains 20 to 90% by weight, calculated on the total composition, of a compound consisting of the structural element E2 and at least one of the structural elements E1 and/or E3 and/or E4 of the general formula ##STR1## where R.sub.1 denotes a methyl, ethyl, n-propyl, isopropyl or an unsubstituted or CH.sup.3 --C.sub.3 H.sub.7 --substituted phenyl radical, R.sub.2 denotes a CH.sub.2 .dbd.CH--, CH.sub.2 .dbd.CHCOO(CH.sub.2).sub.n --]or ##STR2## or R.sub.1, n denotes 0, 1, 2 or 3, and M denotes titanium or zirconium.