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:
Sep. 06, 1994
Filed:
Jun. 28, 1991
Applicant:
Inventors:
Eric R Schnur, Mentor, OH (US);
David L Westfall, North Olmsted, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562 94 ; 562 45 ; 562 93 ; 562 91 ;
Abstract
The present invention describes treating an organic sulfonic acid with an olefin to obtain an improvement in color of the resultant salts and to lessen the amount of inactive components in the composition.