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:
Oct. 25, 1983
Filed:
Jun. 10, 1982
Applicant:
Inventors:
Franics F Koblitz, York, PA (US);
Jane L Reichart, Hanover, PA (US);
Assignee:
Dentsply Research & Development Corp., Milford, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
433217 ; 106 35 ; 26099811 ; 433199 ; 433201 ; 433202 ; 433212 ; 433222 ; 433228 ; 523115 ; 523116 ; 523117 ;
Abstract
Dental restorative composition are provided having improved color stability. According to a preferred embodiment, such compositions comprise a blend of a major proportion of inorganic, particulate filler, and a minor proportion of a resin component comprising a binder resin, a diluent monomer and a three part photosensitizing system comprising an alpha diketone, an amine reducing agent, and a benzoin alkyl ether. The superior color stability and other properties of restorative compositions of this invention are believed to result from synergistic interactions among the components of the sensitizing system.