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:
Jan. 07, 1986
Filed:
Dec. 01, 1983
Applicant:
Inventors:
Paul G Griffin, Collinsville, IL (US);
William Y Lam, St. Louis, MO (US);
Assignee:
Edwin Cooper, Inc., St. Louis, MO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 45 ; 568 18 ; 568 59 ;
Abstract
A sulfurized olefin of improved solubility in lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutylene) to form an adduct which is reacted with sodium sulfide, sodium hydrosulfide, sulfur and alkyl mercaptan (e.g. tert-butyl mercaptan) in an aqueous alcohol reaction medium.