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US 2019/0375998 A1Published application
Grease composition
AssigneeShell Oil Company
InventorsKeiji TANAKA, Kazuya WATANABE
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AssigneeShell Oil Company
InventorsKeiji TANAKA, Kazuya WATANABE
Estimating the term…
The invention provides a grease composition, being a grease composition containing a base oil and, as a thickener a calcium complex soap, and being a grease composition using for the carboxylic acids forming the aforementioned calcium complex soap substituted or unsubstituted C18-22 straight-chain higher fatty acids, aromatic monocarboxylic aromatic acids having substituted or unsubstituted benzene rings and C2-4 straight-chain saturated lower fatty acids, wherein the aforementioned substituted or unsubstituted C18-22 straight-chain higher fatty acids include behenic acid and the amount of behenic acid used, as a mass ratio in terms of the total amount of the aforementioned substituted or unsubstituted C18-22 straight-chain higher fatty acids used, is from 25 mass % up to 70 mass %.
A grease composition comprising a base oil and a calcium complex soap as a thickener, wherein the calcium complex soap uses carboxylic acids including substituted or unsubstituted C18-22 straight-chain higher fatty acids, aromatic monocarboxylic acids having substituted or unsubstituted benzene rings and C2-4 straight-chain saturated lower fatty acids, wherein the substituted or unsubstituted C18-22 straight-chain higher fatty acids include behenic acid and the amount of behenic acid used, as a mass ratio in terms of the total amount of the aforementioned substituted or unsubstituted C18-22 straight-chain higher fatty acids used, is from 25 mass % up to 70 mass %.
Dependencies are inferred from the claim text.