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:
Mar. 13, 2001
Filed:
Feb. 18, 1999
Applicant:
Inventors:
Duncan E. Waller, Ypsilanti, MI (US);
Xiaoyi Xie, San Gabriel, CA (US);
Assignee:
Kerr Corporation, Orange, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 6/10 ; C08L 8/312 ; C08L 8/304 ;
U.S. Cl.
CPC ...
A61K 6/10 ; C08L 8/312 ; C08L 8/304 ;
Abstract
The present invention provides hydrophilically modified curable silicone dental impression materials comprising an addition curable silicone prepolymer composition and a polymerizable hydrophilic modifier. The addition curable silicone prepolymer in the composition of the present invention comprises blended vinyl terminated organopolysiloxane fluids, an organohydrogen polysiloxane crosslinker, a platinum catalyst, a retarder, filler and optional additives. The cured compositions have a stable hydrophilic nature, excellent mechanical properties, and maximum long-term dimensional stability.