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:
Jan. 21, 2020
Filed:
Sep. 12, 2018
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Research Institute of Petroleum Engineering, Beijing, CN;
Xiaohua Yang, Beijing, CN;
Yongxue Lin, Beijing, CN;
Jian He, Beijing, CN;
Lin Wang, Beijing, CN;
Haibo Wang, Beijing, CN;
Fan Yang, Beijing, CN;
Zhoujun Li, Beijing, CN;
Xiaoqiang Dong, Beijing, CN;
China Petroleum & Chemical Corporation, Beijing, CN;
SINOPEC Research Institute of Petroleum Engineering, Beijing, CN;
Abstract
A maleamic acid monomer, and a preparation method and a use of the maleamic acid monomer. The structural formula of the monomer is as follows: formula (1), wherein, R is selected from The maleamic acid monomer provided in the present invention may be used as a comonomer to prepare temperature-tolerant and calcium salt-tolerant polymers.