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. 05, 2006
Filed:
Aug. 19, 2002
Applicant:
Terrence P. Small, Glen Mills, PA (US);
Inventor:
Terrence P. Small, Glen Mills, PA (US);
Assignee:
GE Betz, Inc., Trevose, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for removing iron impurities from sand by treatment of an aqueous slurry of the sand with a chelating agent for iron cations.