The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2016
Filed:
Jun. 05, 2014
China Petroleum & Chemical Corporation, Beijing, CN;
Research Institute of Petroleum Processing, Sinopec, Beijing, CN;
Shuo Su, Beijing, CN;
Jun Long, Beijing, CN;
Qinghua Duan, Beijing, CN;
Han Zhou, Beijing, CN;
Zhiqiang Wu, Beijing, CN;
Xinhua Li, Beijing, CN;
Yi Zhao, Beijing, CN;
Xiaoguang Zhao, Beijing, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing, CN;
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.