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:
Oct. 24, 1978
Filed:
Dec. 29, 1975
Applicant:
Inventor:
Louis de Vries, Greenbrae, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C10M / ;
U.S. Cl.
CPC ...
544158 ; 252 33 ; 252 34 ; 252 475 ; 2605 / ; 2605 / ; 548351 ; 548352 ; 544398 ; 544383 ;
Abstract
Oil-soluble, nitrogen-containing compositions, useful as lubricating oil additives, are provided. These compositions are prepared by reacting: (a) an aryl ester of a hydrocarbylethylsulfonic acid; or (b) a hydrocarbylsulfonyl chloride with a nitrogen-containing compound containing at least one amine hydrogen, i.e., --NH function. Also provided are processes for preparing these compositions and lubricating oil additive concentrates and lubricating oil compositions containing these compositions.
de Vries, Louis. (1978). Reaction of aryl sulfonic acid ester and amines (U.S. Patent No. 4122266). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4122266
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile