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, 2012
Filed:
Jun. 27, 2008
Reinhold Hecht, Kaufering, DE;
Uwe H. Hoheisel, Türkenfeld, DE;
Christoph Thalacker, Weilheim, DE;
William J. Schultz, North Oaks, MN (US);
Wendy L. Thompson, Roseville, MN (US);
Reinhold Hecht, Kaufering, DE;
Uwe H. Hoheisel, Türkenfeld, DE;
Christoph Thalacker, Weilheim, DE;
William J. Schultz, North Oaks, MN (US);
Wendy L. Thompson, Roseville, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The invention relates to a dental composition comprising a) a hardenable compound (A1), b) a filler (B1), c) an initiator (C1) being able to initiate curing of compound (A1), compound (A1) having the structure A-(-S1-U-S2-MA), with A being a connector element, S1 being a spacergroup comprised of units connected with each other and comprising at least 4 units, S2 being a spacergroup comprised of units connected with each other and comprising at least 4 units, U being an urethane, an amide or an urea group connecting spacergroups S1 and S2, MA being an acrylate or methacrylate group and n being 3 to 6. The invention also relates to a process of producing this dental composition and using the dental composition e.g. as a temporary and/or long term crown and bridge material.