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:
Apr. 01, 2014
Filed:
Feb. 28, 2012
Edward Dewey Smith, Iii, Mason, OH (US);
Juan Wang, Beijing, CN;
Xiaoyong Wang, Beijing, CN;
Chunpeng Jiang, Beijing, CN;
Edward Dewey Smith, III, Mason, OH (US);
Juan Wang, Beijing, CN;
Xiaoyong Wang, Beijing, CN;
Chunpeng Jiang, Beijing, CN;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
A bar soap comprising a pyrithione source, a soap surfactant, and a pH adjusting agent selected from a group consisting of ammonia solution, triethanolamine, diethanolamine, monoethanolamine, potassium hydroxide, sodium hydroxide, soluble carbonate salts, and combinations thereof, wherein the bar soap attains a pH of greater than or equal to 10.7. A process of inhibiting the formation of a discoloration in a bar soap comprising pyrithione sources by adding pH adjusting agent to attain a pH of greater than or equal to 10.7. A process of inhibiting the formation of a discoloration in a bar soap caused by dissolved ferric ions and/or cupric ions and pyrithione sources in the bar, comprising the step of adding from about 0.3% to about 20% soluble carbonate salt during manufacturing of the bar soap.