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:
Jul. 15, 2025
Filed:
Oct. 21, 2020
Applicants:
China Petroleum & Chemical Corporation, Beijing, CN;
Research Institute of Petroleum Processing, Sinopec, Beijing, CN;
Inventors:
Minyang Zhuang, Beijing, CN;
Hui Zheng, Beijing, CN;
Xinyang Liu, Beijing, CN;
Wei Liu, Beijing, CN;
Yifeng He, Beijing, CN;
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/11 (2006.01); C07F 9/09 (2006.01); C10M 137/04 (2006.01);
U.S. Cl.
CPC ...
C07F 9/11 (2013.01); C07F 9/094 (2013.01); C10M 137/04 (2013.01);
Abstract
A phosphorus-containing compound is represented by the formula (I): The phosphorus-containing compound has excellent biodegradability and oxidation resistance, and is suitable for promoting biodegradation of lubricating oil product.