Grease composition

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United States of America Patent

PATENT NO 8741823
APP PUB NO 20120270762A1
SERIAL NO

13445163

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Abstract

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There is provided a grease composition, in which a grease film on the surface of the applied part is made thicker compared with conventional grease compositions, this thickness is maintained for a long period of time, and as a result, a longer service life against seizure compared with conventional grease compositions is assured. The grease composition comprises a base oil and a thickener, wherein the thickener is a diurea compound obtained by allowing an amine mixture comprising alkylphenylamine, an alkyl group of which has 8 to 16 carbon atoms, and cyclohexylamine, to react with a diisocyanate compound, and an amount of cyclohexylamine in the total amount of the alkylphenylamine and cyclohexylamine is from 91 to 99% by mole.

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Patent Owner(s)

Patent OwnerAddress
NIPPON GREASE CO LTDOSAKA-SHI OSAKA 542-0081

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwamatsu, Hiroki Kobe, JP 12 47
Mitsuoka, Masashi Kobe, JP 5 11

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