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. 25, 2007
Filed:
Mar. 15, 2005
Xiaozhong Tang, Bridgewater, NJ (US);
Lin Fei, Kendall Park, NJ (US);
Suman Chopra, Dayton, NJ (US);
Peter Hilliard, Jr., Kendall Park, NJ (US);
Xiaozhong Tang, Bridgewater, NJ (US);
Lin Fei, Kendall Park, NJ (US);
Suman Chopra, Dayton, NJ (US);
Peter Hilliard, Jr., Kendall Park, NJ (US);
Colgate-Palmolive Company, New York, NY (US);
Abstract
A zirconium-free aluminum salt which: (a) has an aluminum to chloride molar ratio in the range of 0.5-2.5:1; (b) comprises a nitrogen containing buffering material in an amount such that the ratio of nitrogen containing material to aluminum is the range of 0.05-0.26:1, and which nitrogen containing material is selected from the group consisting of a nitrogen containing buffering material of formula where n is a number in the range of 1-20, and each of R, R, and Ris independently selected from the group consisting of hydrogen, methyl and ethyl; and (c) the salt has a pH in the range of 2-4 at a concentration of 15%; wherein the salt is free of any other halide scavenging material and has a value of at least 0.50 for the ratio calculated as: