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.

Date of Patent:
Oct. 06, 2020

Filed:

Feb. 13, 2017
Applicant:

Arizona Board of Regents on Behalf of Arizona State University, Scottsdale, AZ (US);

Inventors:

Ximin He, Tempe, AZ (US);

Edward Kavazanjian, Tempe, AZ (US);

Nasser Hamdan, Scottsdale, AZ (US);

Zhi Zhao, Mesa, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 3/12 (2006.01); C09K 17/50 (2006.01); C04B 14/28 (2006.01); C04B 24/14 (2006.01); C04B 26/22 (2006.01); C04B 26/28 (2006.01); C04B 103/00 (2006.01); C04B 111/00 (2006.01); E21D 9/00 (2006.01); C09K 3/22 (2006.01); C08L 5/00 (2006.01); E21D 9/06 (2006.01); C08L 1/26 (2006.01);
U.S. Cl.
CPC ...
E02D 3/12 (2013.01); C09K 17/50 (2013.01); C04B 14/285 (2013.01); C04B 24/14 (2013.01); C04B 26/22 (2013.01); C04B 26/285 (2013.01); C04B 2103/0001 (2013.01); C04B 2111/00146 (2013.01); C04B 2111/00732 (2013.01); C08L 1/26 (2013.01); C08L 5/00 (2013.01); C09K 3/22 (2013.01); E21D 9/002 (2013.01); E21D 9/0678 (2016.01);
Abstract

A soil stabilization method of forming an admixture of at least one hydrogel precursor and urease enzyme, and contacting at least a portion of the admixture with soil, and forming a hydrogel network in-situ within at least a portion of the soil, wherein at least a portion of the hydrogel network includes in-situ precipitated calcium carbonate. In some embodiments, at least a portion of the hydrogel network is formed in-situ by polymerizing the at least one hydrogel precursor in the presence of the urease enzyme.


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