Personal cleansing compositions comprising zinc pyrithione

US9504638B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Edward Dewey Smith, III · Mason, US
• Jason Edward Cook · Chillicothe, US
• Chunpeng Jiang · Beijing, CN
• Ian David Henry · Cincinnati, US
• Juan Wang · Foster City, US
• Casey Patrick Kelly · Wyoming, US
• Xiujun Xu · Beijing, CN
• Zhe Liu · Beijing, CN

Key dates

• Filing date: May 9, 2013
• Grant date: Nov 29, 2016
• Expiry date: Oct 19, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/58
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to a personal cleansing composition with an antimicrobial effect. The personal cleansing composition is in the form of a bar soap and contains zinc pyrithione and a soap surfactant. When dispersed in an aqueous solution at 1 wt %, the personal cleansing composition of the present invention is characterized by a pH value ranging that is higher than about 9.6 and lower than about 10.3. The present invention also relates to a process for forming an antimicrobial bar soap as described hereinabove.