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:
Mar. 02, 2010
Filed:
Sep. 07, 2005
Steven A. Chisick, Highland, IN (US);
Timothy Clark Heffernan, Indianapolis, IN (US);
Thomas P. Mccullough, Indianapolis, IN (US);
Gary Joel Meyer, Indianapolis, IN (US);
Steven A. Chisick, Highland, IN (US);
Timothy Clark Heffernan, Indianapolis, IN (US);
Thomas P. McCullough, Indianapolis, IN (US);
Gary Joel Meyer, Indianapolis, IN (US);
Redox Solutions, LLC, Indianapolis, IN (US);
Abstract
Methods to reduce hexavalent chromium (Cr(VI)) in chromite processing wastes include one or more of the following steps: contacting the chromite processing wastes with an oxygen scavenger or chemical reducer; permitting the chromite processing wastes to react with the oxygen scavenger or chemical reducer; contacting the chromite processing wastes with ferrous ion; contacting the chromite processing wastes with sulfide ion; and, contacting the chromite processing wastes with ferrous sulfide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile