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. 17, 1981
Filed:
Jan. 26, 1979
Applicant:
Inventors:
Jean-Louis Le Coent, Le Havre, FR;
Bernard Demoures, Puteaux, FR;
Assignee:
Orogil, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 33 ;
Abstract
New detergent-dispersants of high alkalinity useful as additives for lubricating oils and a novel process for their preparation are provided. The novel detergent-dispersant additives are prepared by:
Le Coent, Jean-Louis. (1981). Detergent-dispersants of high alkalinity for lubricating oils and (U.S. Patent No. 4251379). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4251379
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile