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. 17, 2001
Filed:
Apr. 26, 2000
Michael Paul Aronson, West Nyack, NY (US);
Charles Craig Nunn, Rutherford, NJ (US);
Sergio Roberto Leopoldino, Sao Paulo, BR;
John George Chambers, Bromborough, GB;
Christine Gorman, Thingwall, GB;
Shana Azri-Meehan, River Vale, NJ (US);
Unilever Home & Personal Care USA, division of Conopco, Inc., Greenwich, CT (US);
Abstract
The invention discloses process for making bars comprising fatty acid soaps, free fatty acid, polyalkylene glycol and specific salts of protic acid (i.e., having pKa1 less than 6, preferably less than 5.5). Using specific equivalent molar ratios of fatty acid to protic acid salt and specific wt. ratio of PAG and salt of protic acid to free fatty acid, applicants obtain bars having sensory feel of soap and which improve skin condition in Controlled Application Wash Tests.