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. 26, 2009
Filed:
Aug. 16, 2007
Joel D. Oxman, Minneapolis, MN (US);
Karsten Dede, Landsberg, DE;
Craig A. Dykstra, St. Paul, MN (US);
Victoria A. Russell, Brooklyn Park, MN (US);
Christoph Thalacker, Weilheim, DE;
Wolfgang Weinmann, Weilheim, DE;
Joel D. Oxman, Minneapolis, MN (US);
Karsten Dede, Landsberg, DE;
Craig A. Dykstra, St. Paul, MN (US);
Victoria A. Russell, Brooklyn Park, MN (US);
Christoph Thalacker, Weilheim, DE;
Wolfgang Weinmann, Weilheim, DE;
Curators of the University of Missouri, Columbia, MO (US);
3M Innovative Properties Company 3M Center, St. Paul, MN (US);
3M ESPE AG, Seefeld, DE;
Abstract
The invention features a photopolymerizable composition that comprises a cationically polymerizable resin, and a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and one or more anthracene-based compounds as electron donors. Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.