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. 18, 2005
Filed:
May. 10, 2000
Applicant:
Andrew T. C. Liu, York, PA (US);
Inventor:
Andrew T. C. Liu, York, PA (US);
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 13087 ;
U.S. Cl.
CPC ...
Abstract
A dental composition comprising self-lubricating particles and formed into a dental tooth. The invention provides a dental tooth formed from a composition which includes polymeric matrix material and particles of ultrahigh molecular weight polyethylene having a particle size less than 500 microns, and a weight average molecular weight greater than 1,000,000 g/mole chemically bonded to the matrix material and the composition formed into an aesthetic dental tooth. The tooth has an outer face, and at least one of the particles is smeared over the outer face.