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:
Oct. 15, 2013
Filed:
Mar. 22, 2006
Nubar Ozbalik, Midlothian, VA (US);
Kenji Yatsunami, Tokyo, JP;
Samuel H. Tersigni, Glen Allen, VA (US);
Lee D. Saathoff, Glen Allen, VA (US);
Nubar Ozbalik, Midlothian, VA (US);
Kenji Yatsunami, Tokyo, JP;
Samuel H. Tersigni, Glen Allen, VA (US);
Lee D. Saathoff, Glen Allen, VA (US);
Afton Chemical Corporation, Richmond, VA (US);
Abstract
There is provided an automatic transmission fluid composition comprising a major amount of a base oil; one or more friction modifiers, wherein total nitrogen content provided by the one or more friction modifiers is greater than or equal to about 300 ppm; and one or more ashless dispersants, wherein the total nitrogen content provided by the one or more ashless dispersants is greater than or equal to about 500 ppm. The automatic transmission fluid may have a kinematic viscosity at 100° C. of from about 4 cSt to about 6.5 cSt and a Brookfield viscosity at −40 ° C. of from about 4,000 cP to about 20,000 cP.