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:
Sep. 13, 2022
Filed:
May. 16, 2018
China Petroleum & Chemical Corporation, Beijing, CN;
Research Institute of Petroleum Processing, Sinopec, Beijing, CN;
Cheng Li, Beijing, CN;
Songbai Tian, Beijing, CN;
Xiaowei Wang, Beijing, CN;
Qundan Zhang, Beijing, CN;
Hu Li, Beijing, CN;
Xinyu Zhu, Beijing, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
RESEARCH INSTITUTE OF PETROLEUM PROCESSING. SINOPEC, Beijing, CN;
Abstract
An ester polymer has a structure represented by the following formula (I): T represents the backbone of the ester polymer; the group B is each independently selected from O or S; the group R each independently represents Chydrocarbylene group; the group A is each independently selected from O, S or NR″; the group R' each independently represents Chydrocarbylene group; the group Nis each independently selected from H or —R″′—B′H, wherein at least one of the two Non the same nitrogen atom is —R″′—B′H; the group R″ is each independently selected from H or Chydrocarbyl group; the group R″′ each independently represents Chydrocarbylene group; the group B′ is each independently selected from O or S; each y independently represents an integer between 1 and 6; and m is an integer between 1 and 10.