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. 06, 2013
Filed:
Feb. 11, 2010
Richard J. Vickerman, Stow, OH (US);
Craig D. Tipton, Perry, OH (US);
Daniel J. Saccomando, Sheffield, GB;
Suzanne M. Patterson, Seven Hills, OH (US);
Richard J. Vickerman, Stow, OH (US);
Craig D. Tipton, Perry, OH (US);
Daniel J. Saccomando, Sheffield, GB;
Suzanne M. Patterson, Seven Hills, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
A composition useful for lubricating an automatic transmission comprises an oil of lubricating viscosity and a hydrocarbyl amine with a hydrocarbyl group of 12 to 22 carbon atoms and having one or two additional groups of the structure —R—NHC(O)R, wherein Ris an alkylene group of 1 to 4 carbon atoms and Ris a hydrocarbyl group of 4 to 22 carbon atoms, or a nitrogen-containing heterocyclic group, or an aminoalkyl group.