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:
Jun. 02, 2026
Filed:
Oct. 30, 2020
China Petroleum & Chemical Corporation, Beijing, CN;
Shanghai Research Institute of Petrochemical Technology, Sinopec, Shanghai, CN;
Yingcheng Li, Shanghai, CN;
Weidong Zhang, Shanghai, CN;
Jun Jin, Shanghai, CN;
Zhiqin Shen, Shanghai, CN;
Xinning Bao, Shanghai, CN;
Ou Sha, Shanghai, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC, Beijing, CN;
Abstract
A heteroatom-containing alkoxy polyether based anionic-nonionic surfactant has the following molecular formula (I):R—O-(Poly)-X—YM (I).In formula (I), Ris any one of C-Caliphatic group and aromatic group; each occurrence of group Poly, equal to or different from each other, is independently selected from the group represented by formula (Ru—O); n is a number from greater than 0 to 300; for each type of group (Ru—O), m is independently a number from greater than 0 to 100; X is any one of alkylene, alkenylene and arylene containing 1-10 carbon atoms; Y is an anionic group; and M is a cation or a cationic group.