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. 31, 2016
Filed:
Dec. 23, 2014
Applicant:
Colgate-palmolive Company, Piscataway, NJ (US);
Inventors:
Stanislav Jaracz, Somerset, NJ (US);
Michael Prencipe, Princeton Junction, NJ (US);
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/20 (2006.01); G01N 21/78 (2006.01); G01N 21/77 (2006.01); G01N 21/79 (2006.01); A61Q 11/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/20 (2013.01); G01N 21/77 (2013.01); G01N 21/78 (2013.01); A61Q 11/00 (2013.01); G01N 21/79 (2013.01);
Abstract
A method of detecting stannous ions that includes providing a zincon-containing indicator having a color, contacting the indicator with a sample, and detecting any resulting change in the color of the indicator, wherein a change in the color of the indicator from the color to colorless indicates that stannous ions are present in the sample. The method is useful for the analysis of oral care compositions. Also provided is the use of zinc on as an indicator for detecting stannous ions.