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Kawasaki, Japan

Patent
Kyodo Yushi Co. | Date: 2013-01-18

The invention provides a grease composition which contains (a) a base oil, (b) a thickener, (c) a compound having an alkylthiocarbamoyl group, represented by the formula (1), (d) a hindered phenol antioxidant, and (e) a metal deactivator; wherein R


Patent
Kyodo Yushi Co., Denso Corporation and University of Tsukuba | Date: 2013-02-21

The invention provides a grease composition containing a thickener and a base oil, wherein the base oil contains (a) a hydrocarbon oil extracted from


Patent
Kyodo Yushi Co. and Nsk Ltd. | Date: 2013-12-02

A grease-enclosed bearing having enclosed therein a grease composition containing a thickener which is a diurea compound represented by Formula (1) or a mixture thereof, and a base oil containing an alkyldiphenyl ether oil and a poly--olefin oil as an optional component in a mass ratio of alkyldiphenyl ether oil:poly--olefin oil=from 40:60 to 100:0:


Patent
Kyodo Yushi Co. | Date: 2013-10-25

The invention provides a grease composition for rolling bearings of automotive electrical equipment or automotive auxiliaries, containing a base oil that includes as an essential component an alkyldiphenyl ether oil; a diurea thickener represented by formula (1); an anti-flaking additive including an organic sulfonate rust inhibitor and a load carrying additive; and an antioxidant. In the formula (1), R


Patent
Kyodo Yushi Co. | Date: 2015-04-22

A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): wherein R

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