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:
Sep. 15, 2009
Filed:
May. 28, 2009
Applicant:
Paul Sylvester, Waltham, MA (US);
Inventor:
Paul Sylvester, Waltham, MA (US);
Assignee:
Layne Christensen Company, Mission Woods, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 49/00 (2006.01); C01B 25/02 (2006.01); C01B 25/26 (2006.01); C01B 25/30 (2006.01); C01B 25/41 (2006.01); C05B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for removing and recovering phosphorus from a spent adsorbent medium to result in a regenerated medium and a phosphorus-containing solution useful as a fertilizer.