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:
Apr. 03, 2012
Filed:
Oct. 11, 2006
Product of amines with hydroxy acid as friction modifiers suitable for automatic transmission fluids
Stuart L. Bartley, Lakewood, OH (US);
Shreyasi Lahiri, Mentor, OH (US);
Mark R. Baker, Lyndhurst, OH (US);
Craig D. Tipton, Perry, OH (US);
Stuart L. Bartley, Lakewood, OH (US);
Shreyasi Lahiri, Mentor, OH (US);
Mark R. Baker, Lyndhurst, OH (US);
Craig D. Tipton, Perry, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
Compositions comprising an oil of lubricating viscosity; an amide represented by the formula RRN—C(O)Rwherein Rand Rare hydrocarbyl groups of at least 6 carbon atoms and Ris a hydroxyalkyl group of 1 to 6 carbon atoms or a group formed by the condensation of said hydroxyalkyl group, through a hydroxyl group thereof, with an acylating agent; a nitrogen-containing dispersant; and a phosphorus-containing compound are suitable for lubricating a transmission.