Gear oil composition

US12344812B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Qinggao Ma · Naugatuck, US
• Rene Koschabek · Weinheim, DE
• Philippe Rabbat · New York, US
• Henrik Heinemann · Ludwigshafen am Rhein, DE
• Karolin Monz · Ludwigshafen am Rhein, DE
• Frank Rittig · Worms, DE
• Nawid Kashani · Ludwigshafen am Rhein, DE
• Markus Scherer · Lebach, DE

Key dates

• Filing date: Mar 7, 2024
• Grant date: Jul 1, 2025
• Expiry date: Mar 7, 2044

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/72
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A gear oil composition that has a kinematic viscosity at 40° C. in the range of ≥68 to ≤1000 csdt when measured in accordance with ASTM D445 can be made. The gear oil composition is useful as a lubricant in a gear box, especially in a wind turbine gear box.