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:
Aug. 11, 2020
Filed:
May. 02, 2016
Ivoclar Vivadent Ag, Schaan, LI;
Technische Universität Wien, Vienna, AT;
Norbert Moszner, Mauren, LI;
Iris Lamparth, Grabs, CH;
Urs Karl Fischer, Arbon, CH;
Kai Rist, Feldkirch, AT;
Peter Burtscher, Rankweil, AT;
Robert Liska, Schleinbach, AT;
Christian Gorsche, Vienna, AT;
Konstanze Seidler, Oberrohrbach, AT;
Ivoclar Vivadent AG, Schaan, LI;
Technicshe Universität Wien, Vienna, AT;
Abstract
Radically polymerizable dental material, which contains at least one sulphonic acid ester of Formula 1: in which A is H, CN, an aromatic, cycloaliphatic, linear or branched aliphatic C-C-hydrocarbon radical or a combination thereof; X is COO— or —CON(R)— or is absent; B is an aromatic, cycloaliphatic, linear or branched aliphatic C-C-hydrocarbon radical, or a combination thereof; Ris hydrogen or an aromatic, cycloaliphatic, linear or branched aliphatic C-C-hydrocarbon radical; m is an integer from 1 to 6, n is an integer from 1 to 6 and p is an integer from 1 to 6; wherein m and p cannot simultaneously be greater than 1. The compounds of Formula 1 are active as chain transfer agents in radical polymerization.