Invention Grant
- Patent Title: Bar soap comprising pyrithione sources
- Patent Title (中): 酒精皂包括吡啶硫酮源
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Application No.: US13407252Application Date: 2012-02-28
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Publication No.: US08685908B2Publication Date: 2014-04-01
- Inventor: Edward Dewey Smith, III , Juan Wang , Xiaoyong Wang , Chunpeng Jiang
- Applicant: Edward Dewey Smith, III , Juan Wang , Xiaoyong Wang , Chunpeng Jiang
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Priority: WOPCT/CN2011/000320 20110228
- Main IPC: A61K8/18
- IPC: A61K8/18

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.
Public/Granted literature
- US20120220516A1 Bar Soap Comprising Pyrithione Sources Public/Granted day:2012-08-30
Information query