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:
Jun. 23, 2015
Filed:
Oct. 30, 2013
Applicants:
Ronald T. F. Jukes, Rotterdam, NL;
Eugene E. Spala, Fairfield, CA (US);
Inventors:
Ronald T. F. Jukes, Rotterdam, NL;
Eugene E. Spala, Fairfield, CA (US);
Assignees:
Chevron Oronite Technology B.V., Rotterdam, NL;
Chervon Oronite Company LLC, San Ramon, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 159/22 (2006.01); C10M 135/02 (2006.01); C07C 319/14 (2006.01);
U.S. Cl.
CPC ...
C10M 135/02 (2013.01); C07C 319/14 (2013.01);
Abstract
Disclosed herein is an overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition, which is prepared by the process comprising (a) providing an overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition having a total base number (TBN) greater than about 250; and (b) sparging the overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition with air at a temperature ranging from about 190° C. to about 250° C.