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:
Jan. 05, 1999
Filed:
Oct. 03, 1997
Applicant:
Inventors:
David A Kaisaki, St. Paul, MN (US);
Sumita B Mitra, West St. Paul, MN (US);
William J Schultz, Vadnais Heights, MN (US);
Robert J DeVoe, Oakdale, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; A61K / ; C08K / ;
U.S. Cl.
CPC ...
522 25 ; 522 15 ; 522146 ; 522168 ; 522170 ; 522908 ; 522 81 ; 522 83 ; 522 77 ; 523116 ; 523117 ;
Abstract
A visible-light photopolymerizable composition comprising a) a cationically polymerizable epoxy resin, b) a hydroxyl-containing material c) an aryliodonium salt and d) a visible light sensitizer that is an alpha-dicarbonyl compound having an extinction coefficient less than about 1000. Particularly preferred compositions of the present invention are dental materials.