Patent · US Expired

Polymerizable dental compositions and molded dental articles produced therefrom

US4552906A · kind A · utility

32Cited by

5References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Wolfgang Podszun · Neunburg vorm Wald, DE
Fritjof Bley · Achberg, DE
Michael Walkowiak · Leverkusen, DE

Key dates

Filing date	Apr 27, 1984
Grant date	Nov 12, 1985
Priority date	—
Expiry date	Apr 27, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F283/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A dental composition suitable for being polymerized to a dental prosthesis approximately comprising by weight PA0 (A) 20 to 50% of a mixture of monofunctional and polyfunctional methacrylic esters and, optionally, other monomers, PA0 (B) 20 to 60% of an essentially non-crosslinked polymer homogeneously filled with microfine inorganic filler and based on (meth)acrylic esters and, optionally, other monomers, PA0 (C) 0.5 to 25% of a non-crosslinked polymer having a glass transition temperature.ltoreq.0.degree. C. and a molecular weight M.sub.w of 10.sup.3 -5.times.10.sup.5, and PA0 (D) 0 to 40% of a finely divided inorganic filler treated with an adhesion promoter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.