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. 07, 2003
Filed:
Feb. 22, 2002
Applicant:
Inventors:
Guofeng Xu, Princeton, NJ (US);
David B. Viscio, Monmouth Junction, NJ (US);
Assignee:
Colgate Palmolive Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 7/16 ; A61K 7/20 ;
U.S. Cl.
CPC ...
A61K 7/16 ; A61K 7/20 ;
Abstract
A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.