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:
Nov. 18, 1997
Filed:
Sep. 08, 1994
Applicant:
Inventors:
Vajih A Khan, Loveland, OH (US);
Michael T Creedon, Cincinnati, OH (US);
Benjamin E Chapman, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
554 98 ; 554 97 ;
Abstract
An improved, no -bleach process for the production of sulfonated fatty acid alkyl ester surfactants containing sulfonated fatty acid alkyl esters and less than 10% of sulfonated fatty acid disalt, fatty acid salt (soap), and fatty acid alkyl ester impurities, said process comprising sulfonating fatty acid alkyl esters, reacting with a C.sub.1 to C.sub.8 alcohol, and continuously neutralizing with an alkoxide in a substantially anhydrous medium of a C.sub.1 to C.sub.8 alcohol, wherein the process does not consist of a