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:
Feb. 27, 2001
Filed:
May. 19, 1999
Applicant:
Inventors:
Benjamin R. Furman, San Antonio, TX (US);
Stephen T. Wellinghoff, San Antonio, TX (US);
Henry R. Rawls, San Antonio, TX (US);
Hong Dixon, San Antonio, TX (US);
Barry K. Norling, San Antonio, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/22 ; C08K 9/06 ; C08F 2/50 ;
U.S. Cl.
CPC ...
C08K 3/22 ; C08K 9/06 ; C08F 2/50 ;
Abstract
Zirconium oxide nanoparticles having at least some surface acid sites functionalized with a silanating agent and at least some surface acid sites finctionalized with zirconate or a zircoaluminate. The nanoparticles are useful in composites comprising photopolymerizable alkene matrix monomers, and are primarily suitable for dental and medical restoration.