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:
May. 28, 2024
Filed:
Jun. 02, 2023
Applicant:
Southwest Petroleum University, Chengdu, CN;
Inventors:
Lu Liu, Chengdu, CN;
Xiaolin Pu, Chengdu, CN;
Assignee:
Southwest Petroleum University, Chengdu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/36 (2006.01); B01J 13/04 (2006.01); B01J 13/20 (2006.01);
U.S. Cl.
CPC ...
C09K 8/36 (2013.01); B01J 13/04 (2013.01); B01J 13/206 (2013.01);
Abstract
A double-chamber microcapsule includes a capsule core and a microcapsule wall encapsulating the capsule core, wherein the microcapsule wall is a thermo-sensitive polymer encapsulating the content of a second chamber; the capsule core is a pH responsive polymer encapsulating the content of a first chamber, the pH responsive polymer is obtained by polymerizing a pH responsive monomer and a cross-linking monomer; the content of the first chamber is different from the content of the second chamber, each is selected from a solid acid or a solid alkali.