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:
Jan. 16, 1996
Filed:
Nov. 18, 1994
John E Chandler, Edison, NJ (US);
Antonio Gutierrez, Mercerville, NJ (US);
Jack Ryer, East Brunswick, NJ (US);
Yasuhiko Yoneto, Fujisawa, NJ (US);
Ricardo A Bloch, Scotch Plains, NJ (US);
Raymond F Watts, Long Valley, NJ (US);
Robert D Lundberg, Bridgewater, NJ (US);
Exxon Chemical Patents Inc., Linden, NJ (US);
Abstract
Friction modifier additives useful in power transmission compositions, particularly automatic transmission fluids, is disclosed. The additive comprises Component-1 alone formed by condensing a polyamine, such as tetraethylene pentamine, with an aliphatic mono acid, such as isostearic acid, or a mixture, and/or salt, of Component-1 and a Component-2 wherein Component-2 is an acid ester formed by reacting a heterodialkanol such as thiobisethanol and a hydrocarbyl substituted dicarboxylic acid or anhydride, such as octadecenyl succinic anhydride.