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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.:

US 10774287 B1

PDFFull Text
Date of Patent:
Sep. 15, 2020

Filed:

Mar. 06, 2019

Traction fluid composition

Applicant:

Valvoline Licensing and Intellectual Property Llc, Lexington, KY (US);

Inventors:

Gefei Wu, Lexington, KY (US);

Ning Ren, Naperville, IL (US);

Frances E. Lockwood, Georgetown, KY (US);

Assignee:

VALVOLINE LICENSING AND INTELLECTUAL PROPERTY LLC, Lexington, KY (US);

Attorney:

Benesch, Friedlander, Coplan & Aronoff LLP

Primary Examiner:

Vishal V Vasisth

Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 143/06 (2006.01); C10M 145/14 (2006.01); C10M 155/02 (2006.01); C10M 139/04 (2006.01); C10M 129/00 (2006.01); C10M 141/12 (2006.01); C10M 157/10 (2006.01); C10M 105/06 (2006.01); C10N 30/02 (2006.01); C10N 30/06 (2006.01); C10N 30/18 (2006.01); C10N 30/00 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 169/044 (2013.01); C10M 105/06 (2013.01); C10M 129/00 (2013.01); C10M 139/04 (2013.01); C10M 141/12 (2013.01); C10M 143/06 (2013.01); C10M 145/14 (2013.01); C10M 155/02 (2013.01); C10M 157/10 (2013.01); C10M 2203/065 (2013.01); C10M 2205/026 (2013.01); C10M 2205/028 (2013.01); C10M 2207/28 (2013.01); C10M 2209/084 (2013.01); C10M 2227/04 (2013.01); C10M 2229/02 (2013.01); C10M 2229/04 (2013.01); C10N 2030/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/18 (2013.01); C10N 2030/68 (2020.05); C10N 2040/045 (2020.05); C10N 2040/046 (2020.05);
Abstract

Traction fluid additive combination that is usable with any traction fluids base stock is provided. To optimize the traction, low temperature viscosity and shear stability performance, a combination of a polyisobutene and a polymethacrylate may be added to a base oil to obtain a traction fluid with good low temperature viscosity without degrading the shear strength properties of the fluid. To minimize foaming of the traction fluid, a combination of one, two, or more anti-foaming agents may be added to the fluid in addition to a standard additive package.

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