Back to results
US 2026/0042973 A1Published application
Grease composition and rolling device
AssigneesNsk Ltd., Eneos Corporation
InventorsYujiro TODA, Tomoki KAWANO, Toru IZUMI, Yusuke AYAME
Life of this patent
Estimating the term…
Abstract
A grease composition includes: (A) a trimellitic acid ester, (B1) a phenyl α naphthylamine, (B2) an alkyl diphenylamine, (C1) a succinic acid half ester, (C2) a sorbitan monoester, and (D) a urea-based thickener. This grease composition is excellent in anti-flaking, rust prevention, and oxidation resistance properties, and furthermore, a fatigue life of a rolling device and the like in which the grease is enclosed can be maintained for a long time.
Claims9
A grease composition comprising:
- (A) a trimellitic acid ester,
- (B1) a phenyl α naphthylamine,
- (B2) an alkyl diphenylamine,
- (C1) a succinic acid half ester,
- (C2) a sorbitan monoester, and
- (D) a urea-based thickener.
3 more elements
Dependencies are inferred from the claim text.