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:
Feb. 03, 1981
Filed:
Aug. 24, 1979
Applicant:
Inventors:
Harry Chafetz, Poughkeepsie, NY (US);
Gary D Lee, Spring, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 34 ; 252 / ; 26032644 ;
Abstract
Quaternary ammonium salts prepared by reacting an alkenylsuccinimide with a monocarboxylic acid ester provide improved dispersancy in lubricating oils, as compared with the starting alkenylsuccinimides.
Chafetz, Harry. (1981). Quaternary ammonium salts and lubricating oil containing said salts as (U.S. Patent No. 4248719). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4248719
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile