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:
May. 29, 2012
Filed:
Dec. 22, 2003
Applicants:
Jean-louis Le Coent, Le Havre, FR;
Amedee Guellec, Saint-Sauveur D'emalleville, FR;
Eugene E. Spala, Fairfield, CA (US);
Inventors:
Jean-Louis Le Coent, Le Havre, FR;
Amedee Guellec, Saint-Sauveur D'emalleville, FR;
Eugene E. Spala, Fairfield, CA (US);
Assignee:
Chevron Oronite S.A., San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/15 (2006.01); C10M 131/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides overbased detergents as lubricating additives effective for the lubrication of mechanical components in land and marine engines, such as, for example, hydraulic systems, transmissions, two-stroke and four-stroke vehicular engines, and trunk piston and two-stroke crosshead marine engines.