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:
Aug. 14, 2001
Filed:
Mar. 22, 2000
Applicant:
Inventors:
Beth Louise Parker, Waterloo, CA;
Matthew David Nelson, Waterloo, CA;
John Anthony Cherry, Waterloo, CA;
Assignee:
University of Waterloo, Waterloo, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 1/72 ;
U.S. Cl.
CPC ...
C02F 1/72 ;
Abstract
Lenses of DNAPL suspended on clay strata in a sandy aquifer are treated with potassium permanganate. The solution is injected out into the aquifer from a port, and forms a horizontal disc of treatment liquid. The (heavy) liquid then gradually percolates down onto the DNAPL lens.