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:
Nov. 01, 2022
Filed:
Nov. 13, 2018
Applicant:
Colgate-palmolive Company, New York, NY (US);
Inventors:
Leighton Davies-Smith, Lebanon, NJ (US);
Erin Speicher, Hoboken, NJ (US);
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A46B 11/00 (2006.01); A46B 9/06 (2006.01); A61K 8/22 (2006.01); A46D 1/00 (2006.01);
U.S. Cl.
CPC ...
A46B 11/001 (2013.01); A46B 9/06 (2013.01); A46B 11/0082 (2013.01); A46D 1/0207 (2013.01); A61K 8/22 (2013.01); A46B 2200/1066 (2013.01); A61K 2800/87 (2013.01);
Abstract
A method of whitening teeth. The method may include delivering a buffer solution from a reservoir of a toothbrush to one or more tooth cleaning elements of the toothbrush; applying a toothpaste containing a peroxide to the tooth cleaning elements, the toothpaste having a first pH; and brushing the teeth with the tooth cleaning elements, thereby mixing the buffer solution and the toothpaste to form, at surfaces of the teeth, a tooth whitening mixture having a second pH that is greater than the first pH.