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:
Jul. 29, 2003
Filed:
Jan. 31, 2002
Applicant:
Inventors:
Assignee:
Infineum International Ltd., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
C10M / ;
Abstract
Overbased detergent additives for lubricating oils comprise an organic substantially aromatic carboxylate, such as an alkylsalicylate, as a surfactant and have a TBN of 200 or greater, an active ingredient content of 70 mass % or greater, a kinematic viscosity at 100° C. of less than 1000 mm s and a basicity index (BI) of less than 13.