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. 07, 1989
Filed:
Jul. 11, 1988
Applicant:
Inventors:
Leonard A Matthews, Port Arthur, TX (US);
William J Powers, III, Port Arthur, TX (US);
Henry M Przybyla, both of, Los Angeles, CA (US);
Joanne R Whittle, both of, Los Angeles, CA (US);
Jerry C Perciful, St. Genese, BE;
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 25 ; 252 18 ; 252 33 ; 252 334 ;
Abstract
In the preparation of an overbased calcium sulfonate from a chloride free calcium sulfonate and calcium oxide, it has been found that 0.4 to 0.9 wt % calcium chloride improves the overbasing reaction rate.