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:
Jan. 12, 1999
Filed:
Mar. 04, 1997
Applicant:
Inventor:
Robert R Stanforth, Madison, WI (US);
Assignee:
RMT, Inc., Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D / ; C09K / ; B09B / ;
U.S. Cl.
CPC ...
588236 ; 588252 ; 588256 ; 405129 ; 405263 ;
Abstract
A method of treating arsenic-contaminated matter using an aluminum compound in conjunction with an alkaline buffer, thereby stabilizing the arsenic contained in the contaminated matter and decreasing leaching ability. Preferably, the aluminum compound is a soluble aluminum salt such as aluminum sulfate and the alkaline buffer is magnesium oxide.