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 9012381 B1

Date of Patent:

Apr. 21, 2015

Filed:

Aug. 08, 2011

Lubricant composition using ionic liquid as a base oil and having excellent rust prevention properties

Applicants:

Makoto Hayama, Fujisawa, JP;

Setsuo Sasaki, Fujisawa, JP;

Inventors:

Makoto Hayama, Fujisawa, JP;

Setsuo Sasaki, Fujisawa, JP;

Assignee:

Kyodo Yushi Co., Ltd., Kanagawa, JP;

Attorney:

Nixon & Vanderhye P.C.

Primary Examiner:

Vishal Vasisth

Int. Cl.

CPC ...

C07C 317/22 (2006.01); C07D 207/26 (2006.01); C07D 233/14 (2006.01); C07F 9/24 (2006.01); C10M 173/02 (2006.01); C10M 105/74 (2006.01); C10M 171/00 (2006.01); C10M 105/70 (2006.01);

U.S. Cl.

CPC ...

C10M 105/74 (2013.01); C10M 171/00 (2013.01); C10M 2207/125 (2013.01); C10M 2215/02 (2013.01); C10M 2215/023 (2013.01); C10M 2215/2203 (2013.01); C10M 2219/0406 (2013.01); C10M 2223/0405 (2013.01); C10M 2223/0603 (2013.01); C10N 2220/04 (2013.01); C10N 2230/08 (2013.01); C10N 2230/12 (2013.01); C10N 2240/20 (2013.01); C10N 2240/30 (2013.01); C10M 105/70 (2013.01); C10M 2201/062 (2013.01); C10M 2201/083 (2013.01); C10M 2201/0873 (2013.01); C10M 2207/122 (2013.01); C10M 2207/123 (2013.01); C10M 2207/282 (2013.01); C10M 2207/283 (2013.01); C10M 2207/288 (2013.01); C10M 2215/221 (2013.01); C10M 2215/223 (2013.01); C10M 2215/2245 (2013.01); C10M 2215/2265 (2013.01); C10M 2215/28 (2013.01); C10M 2219/044 (2013.01); C10M 2223/003 (2013.01); C10N 2220/023 (2013.01); C10N 2230/02 (2013.01); C10N 2230/26 (2013.01); C10N 2240/60 (2013.01); C10N 2250/10 (2013.01);

Abstract

The invention provides a lubricant composition containing (A) an ionic liquid having an anion represented by formula 1: (Rf1-SO) (Rf2-SO) Nor formula 2: (Rf3) (Rf3) (Rf3) PFwherein Rf1 and Rf2 in formula 1 may be the same or different and are each F, CF, CF, CFor CF, and Rf3 in formula 2 may be the same or different and is CF, CF, CFor CF; and (B) a fatty acid amine salt in an amount of 0.1 to 5.0 mass %. The lubricant composition of the invention can favorably be used under a high vacuum or an ultra high vacuum, or under high temperatures, and exhibits excellent rust prevention properties.

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