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. 23, 2023
Filed:
May. 20, 2022
Applicants:
Southwest Petroleum University, Chengdu, CN;
Sichuan Green & Top Technology Co., Ltd, Chengdu, CN;
Inventors:
Jincheng Mao, Chengdu, CN;
Jinhua Mao, Chengdu, CN;
Xiaojiang Yang, Chengdu, CN;
Chong Lin, Chengdu, CN;
Yang Zhang, Chengdu, CN;
An Chen, Chengdu, CN;
Sikai Dai, Chengdu, CN;
Assignees:
Southwest Petroleum University, Chengdu, CN;
Sichuan Green & Top Technology Co., Ltd, Chengdu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C07F 5/02 (2006.01); C09K 8/70 (2006.01);
U.S. Cl.
CPC ...
C09K 8/685 (2013.01); C07F 5/022 (2013.01); C09K 8/70 (2013.01);
Abstract
A spherical organic nano boron crosslinker with a PAMAM core and a preparation method thereof, and a gel fracturing fluid. A chemical structure of the spherical organic nano boron crosslinker is shown as follows: In the formula, n=0, 1, 2 or 3; and