Hindered phenol compound, preparation thereof and use thereof as an antioxidant

US9512380B2 · kind B2 · utility

Assignees

• CHINA PETROLEUM & CHEMICAL CORPORATION · CN
• RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC · CN

Inventors

• Shuo SU · Beijing, CN
• Jun Long · Beijing, CN
• Qinghua Duan · Beijing, CN
• Han-Jie Zhou · Foster City, US
• Zhiqiang Wu · Beijing, CN
• Xinhua Li · Qufu City, CN
• Yi Zhao · South Pasadena, US
• Xiaoguang Zhao · Boston, US

Key dates

• Filing date: Jun 5, 2014
• Grant date: Dec 6, 2016
• Expiry date: Oct 24, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2030/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

This invention relates to a novel hindered phenol compound of Formula (I) (wherein the groups R and R′ are as defined in the specification), preparation thereof and use thereof as an antioxidant. By using the hindered phenol compound of this invention as an antioxidant, it is possible to produce a lubricant oil composition exhibiting excellent oxidation resistance at elevated temperatures.