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. 12, 2022
Filed:
Jan. 19, 2022
Deshi Energy Technology Group Co., Ltd., Dongying, CN;
Shandong Deshi Chemical Company Limited, Dongying, CN;
Shizhang Cui, Dongying, CN;
Zongming Xiu, Dongying, CN;
Liming Wang, Dongying, CN;
Xinwang Song, Dongying, CN;
Ruimei Gao, Dongying, CN;
Yunfu Hou, Dongying, CN;
Zhifeng Lv, Dongying, CN;
DESHI ENERGY TECHNOLOGY GROUP CO., LTD., Dongying, CN;
SHANDONG DESHI CHEMICAL COMPANY LIMITED, Dongying, CN;
Abstract
A fumaric acid pour point depressant for crude oil and a preparation method therefor are provided. The fumaric acid pour point depressant is obtained by polymerizing a first prepolymer, a second prepolymer, a third monomer and a fourth monomer, where the first prepolymer is obtained by pre-polymerizing vinyl acetate and a first monomer; and the second prepolymer is obtained by pre-polymerizing fumaric acid and a second monomer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile