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:
Dec. 08, 2015
Filed:
Oct. 09, 2009
Applicants:
Rajdeep S. Kalgutkar, Woodbury, MN (US);
Gregory A. Kobussen, Woodbury, MN (US);
Inventors:
Rajdeep S. Kalgutkar, Woodbury, MN (US);
Gregory A. Kobussen, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/083 (2006.01); A61K 6/00 (2006.01);
U.S. Cl.
CPC ...
A61K 6/0023 (2013.01); A61K 6/0017 (2013.01); A61K 6/0073 (2013.01); A61K 6/083 (2013.01); A61K 6/0094 (2013.01);
Abstract
The invention features a dental composition containing a fluorescent organic pigment, e.g. a hydroxyl substituted aryl guanamine an or a fluorescent compound encapsulated in a thermo plastic or thermo set polymer, in an amount that provides the composition with fluorescence resembling that of natural teeth.