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:
Feb. 06, 2024
Filed:
Apr. 06, 2022
China Petroleum & Chemical Corporation, Beijing, CN;
Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp., Liaoning, CN;
Chao Yang, Liaoning, CN;
Chen Wang, Liaoning, CN;
Zequn Yin, Liaoning, CN;
Quanjie Liu, Liaoning, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP., Liaoning, CN;
Abstract
A preparation method of the starch-containing microsphere includes the steps of first reacting starch with a low concentration of epichlorohydrin, and then reacting the resultant product with a surfactant, followed by final crosslinking to give microspheres. The starch-containing microspheres thus prepared are polydisperse starch-containing microspheres with a uniform particle size distribution, with the particle size being in a range of 0.1-500 μm.