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.

Date of Patent:
Feb. 07, 2017

Filed:

Jul. 02, 2015
Applicant:

Basf SE;

Inventors:

Kevin DeSantis, Upper Nyack, NY (US);

Michael Hoey, Maplewood, NJ (US);

Alfred Karl Jung, Carmel, NY (US);

Stephen Ray Jones, Pomona, NY (US);

Eugene Scanlon, Mamaroneck, NY (US);

Philippe Rabbat, Maplewood, NJ (US);

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/10 (2006.01); C10M 141/08 (2006.01);
U.S. Cl.
CPC ...
C10M 141/08 (2013.01); C10M 135/10 (2013.01); C10M 2203/1006 (2013.01); C10M 2207/026 (2013.01); C10M 2215/02 (2013.01); C10M 2215/064 (2013.01); C10M 2215/221 (2013.01); C10M 2219/044 (2013.01); C10M 2223/045 (2013.01); C10N 2210/02 (2013.01); C10N 2230/36 (2013.01); C10N 2230/45 (2013.01); C10N 2230/52 (2013.01); C10N 2240/10 (2013.01);
Abstract

This disclosure is directed to a lubricant composition having improved compatibility with fluoropolymer seals. The lubricant composition includes a base oil and a sulfonate ester. The disclosure is also directed to an additive package for a lubricant composition that provides improved compatibility with fluoropolymer seals. The additive package includes the sulfonate ester. The disclosure is also directed to a method of improving compatibility of a lubricant composition with a fluoropolymer seal disposed in an internal combustion engine. The sulfonate ester improves the compatibility with fluoropolymer seals of the resultant lubricant composition.


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