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:
Apr. 12, 2022
Filed:
Mar. 20, 2020
Applicants:
Taotao Qiang, Xi'an, CN;
Lei Tian, Xi'an, CN;
Runtong Zhu, Xi'an, CN;
LU Chen, Xi'an, CN;
Inventors:
Assignee:
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY, Xi'an, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 25/02 (2006.01);
U.S. Cl.
CPC ...
C01G 25/02 (2013.01); C01P 2006/12 (2013.01); C01P 2006/16 (2013.01);
Abstract
A method for preparing a hierarchical porous ZrOincludes the following steps: S, dissolving a triblock copolymer in an organic solvent to obtain a solution A, dissolving a tannin extract in distilled water to obtain a solution B, mixing the solution A and the solution B and stirring to obtain a mixed solution; S, adding a zirconium salt to the mixed solution obtained in step Sand stirring; S, heating the mixed solution obtained in step Sin an oven to obtain ZrO, promoting the conversion of the crystal form of ZrO; S, calcining ZrOat a high temperature to obtain the hierarchical porous ZrO.