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:
May. 06, 1997
Filed:
May. 31, 1996
Applicant:
Inventor:
Sidney G Nelson, Hudson, OH (US);
Assignee:
Sorbent Technologies Corporation, Twinsburg, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
504116 ; 71 25 ; 71903 ;
Abstract
A soil amendment for reclaiming mine spoils and for enriching agricultural, horticultural, and turf grass soils while reducing the release of heavy metals into the environment comprising a liming agent, expanded vermiculite or perlite particles, fly ash, and a reaction product generated by exposing a calcium compound in a duct-injection process to a combustion flue-gas stream containing sulfur dioxide.