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:
May. 14, 2002
Filed:
Oct. 28, 1999
Applicant:
Inventors:
Xiaodong Zhang, Woodbury, MN (US);
Brant Ulrick Kolb, Afton, MN (US);
Douglas Alan Hanggi, Woodbury, MN (US);
Sumita Basu Mitra, West St. Paul, MN (US);
Paula D'Nell Ario, Woodbury, MN (US);
Richard Paul Rusin, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/083 ; C08K 3/22 ; C08K 3/36 ;
U.S. Cl.
CPC ...
A61K 6/083 ; C08K 3/22 ; C08K 3/36 ;
Abstract
A dental material comprising a hardenable resin, a non-heavy metal oxide particle and a heavy metal oxide. The dental materials can be radiopaque, strong, translucent, or resistant to toothbrush abrasion, or combinations thereof.