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:
Sep. 03, 2019
Filed:
Jul. 18, 2016
Arizona Board of Regents on Behalf of Arizona State University, Scottsdale, AZ (US);
Chevron U.s.a. Inc., San Ramon, CA (US);
Rolf U. Halden, Phoenix, AZ (US);
Edward Kavazanjian, Tempe, AZ (US);
Alizee M. Jenck, Phoenix, AZ (US);
Nasser Hamdan, Scottsdale, AZ (US);
Thomas Hoelen, Oakland, CA (US);
ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY, Scottsdale, AZ (US);
CHEVRON U.S.A. INC., San Ramon, CA (US);
Abstract
A method for installing an in situ, low-permeability temporary horizontal barrier at depth for vertical containment of a soil mass including installing a low permeability vertical barrier having walls located to contain a predetermined soil volume, the vertical barrier having a horizontal surface area in a plane perpendicular to its walls; and injecting low permeability reagents capable of forming a temporary horizontal barrier in a pattern suitable for creating a horizontal subsurface barrier joined to all of the vertical barrier walls to form an in situ barrier.