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. 24, 2019
Filed:
Dec. 19, 2014
Colgate-palmolive Company, New York, NY (US);
Venda Maloney, Piscataway, NJ (US);
Suman Chopra, Monroe, NJ (US);
Hallena Strotman, Somerset, NJ (US);
Colgate-Palmolive Company, New York, NY (US);
Abstract
A tooth whitening oral care composition is made by combining ingredients comprising flakes of a water soluble whitening film, a dye with a hue angle in the CIELAB system ranging from 200 to 320 degrees, and an orally acceptable carrier vehicle. The flakes of the water soluble whitening film comprise: (a) a film-forming polymer comprising hydroxyalkyl cellulose wherein the hydroxyalkyl cellulose has a viscosity of about 1 to about 1000 millipascal seconds (mPa·s) as determined as a 2% by weight aqueous solution of the film-forming polymer at 20 C using a Ubbelohde tube viscometer; and (b) a pigment with a hue angle in the CIELAB system ranging from 200 to 320 degrees.