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:
Nov. 27, 1990
Filed:
Sep. 15, 1989
Applicant:
Inventors:
Tze C Jao, Fishkill, NY (US);
Carl K Esche, Wappingers Falls, NY (US);
Elzie D Black, Port Arthur, TX (US);
Robert H Jenkins, Jr, Walkill, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 39 ; 252 18 ; 252 332 ; 252 38 ;
Abstract
An improved process for the preparation of sulfurized overbased alkaline earth metal phenates comprises steps of: