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:
Aug. 15, 1989
Filed:
Sep. 16, 1988
Applicant:
Inventors:
Andrew G Papay, Manchester, MO (US);
Rolfe J Hartley, Lemay, MO (US);
Assignee:
Ethylk Petroleum Additives, Inc., St. Louis, MO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 325 ; 252 496 ; 252 499 ; 252 / ; 25240021 ; 2524004 ; 548405 ; 548412 ; 548543 ; 548545 ;
Abstract
Oil-soluble reaction products of inorganic phosphorus containing acids or anhydrides with a boron compound and ashless dispersants such as alkenyl succinimides are useful as antiwear/EP additives in lubricants.