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:
Jun. 19, 2007
Filed:
Feb. 20, 2004
Cecil C. Chappelow, Leawood, KS (US);
Charles S. Pinzino, Kansas City, MO (US);
J. David Eick, Gladstone, MO (US);
Andrew J. Holder, Shawnee, KS (US);
Shin-shi Chen, Kansas City, MO (US);
LI Jeang, Kansas City, MO (US);
Cecil C. Chappelow, Leawood, KS (US);
Charles S. Pinzino, Kansas City, MO (US);
J. David Eick, Gladstone, MO (US);
Andrew J. Holder, Shawnee, KS (US);
Shin-Shi Chen, Kansas City, MO (US);
Li Jeang, Kansas City, MO (US);
Curators of the University of Missouri, Columbia, MO (US);
Abstract
A visible light cationically photopolymerizable composition is provided. This composition includes an expanding monomer and a dioxirane. More specifically, the expanding monomer used in this composition is one or more dioxiranyl tetraoxaspiro[5.5]undecanes. The composition of the present invention may be used as a matrix resin for dental restorative materials. Another embodiment of the present invention is various novel dioxiranyl tetraoxaspiro[5.5]undecanes.