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:
Nov. 10, 1992
Filed:
Dec. 28, 1990
Applicant:
Inventors:
Charles A Cody, Robbinsville, NJ (US);
Steven J Kemnetz, Trenton, NJ (US);
William Bronner, Brooklyn, NY (US);
Assignee:
Rheox, Inc., Hightstown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D / ; C05B / ; B09B / ;
U.S. Cl.
CPC ...
588236 ; 588256 ; 71 33 ; 71903 ; 106811 ; 106900 ; 405128 ; 405263 ; 423659 ; 423D / ;
Abstract
A method of treating lead contaminated soil to reduce the amount of mobile lead contained in the soil, the method which comprises: (a) providing an agent selected from the group consisting of inorganic phosphate compounds, inorganic phosphite compounds and mixtures thereof; and (b) contacting the agent with the soil to react the agent with the lead and form immobilized, acid-insoluble lead compounds, thereby reducing the amount of mobile lead in the soil.