Gear oil composition

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United States of America Patent

PATENT NO 8609596
APP PUB NO 20100113314A1
SERIAL NO

12528815

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Abstract

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To provide a gear oil composition containing a base oil, and compounded therein, (A) an ashless dithiocarbamate compound and (B) an ester of pentaerythritol and a C12 to C20 branched fatty acid, the ester having a hydroxyl value of 20 to 100 mg KOH/g. The gear oil composition has a high transmission efficiency and shows both of resistance to sludge formation and extreme pressure property.

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Patent Owner(s)

Patent OwnerAddress
IDEMITSU KOSAN CO LTDTOKYO 100-8321

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hara, Shigeo Chiba, JP 45 413
Okada, Tahei Chiba, JP 17 71

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