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:
Sep. 10, 1996
Filed:
Nov. 15, 1995
Applicant:
Inventors:
Daniel N Dagorn, Grand Couronne, FR;
Taous G Mahtout, Grand Couronne, FR;
Pierre Grandvallet, Grand Couronne, FR;
Bob Scheffer, Grand Couronne, FR;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508111 ; 208 99 ;
Abstract
A process for improving the quality of lubricating base oils, which process comprises contacting a lubricating base oil with dry activated carbon.
Dagorn, Daniel. (1996). Process for improving lubricating base oil quality (U.S. Patent No. 5554307). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5554307
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile