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:
Dec. 11, 1979
Filed:
May. 19, 1978
Robert Schmitz-Josten, Cologne, DE;
Manfred Borgardt, Wuppertal, DE;
Hans-Hermann Schulz, Leichlingen, DE;
Michael Walkowiak, Cologne, DE;
Bernhard Leusner, Leverkusen, DE;
Carlhans Suling, Odenthal, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
The invention includes formulated dental filling materials comprising a polymerizable organic plastics material containing inorganic fillers, which filling material comprises at least two pastes in intimate admixture with one another in a paste/paste system in which hardening is initiated by means of a peroxidic initiator and an accelerator, wherein said at least two pastes contain different inorganic fillers with different chemical constitutions such that one of said at least two pastes contains filler with a substantially higher proportion of elements with high atomic number than does the other of said at least two pastes. Also included in the invention is a dental filling pack containing said formulated dental filling materials as well as a method for their use.