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:
Jun. 23, 1998
Filed:
May. 16, 1995
Applicant:
Inventors:
Robert W Peters, Naperville, IL (US);
James R Frank, Glen Ellyn, IL (US);
Xiandong Feng, West Richland, WA (US);
Assignee:
The University of Chicago, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
134 251 ; 210634 ; 210702 ; 210747 ; 210912 ; 134 28 ; 588256 ;
Abstract
An in situ method for extraction of arsenic contaminants from a soil medium and remediation of the medium including contacting the medium with an extractant solution, directing the solution within and through the medium, and collecting the solution and contaminants. The method can also be used for arsenate and/or arsenite removal.