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. 07, 2010
Filed:
Nov. 21, 2005
Cathleen Joyce Webb, Bowling Green, KY (US);
Arden Duane Davis, Rapid City, SD (US);
David John Dixon, Rapid City, SD (US);
Cathleen Joyce Webb, Bowling Green, KY (US);
Arden Duane Davis, Rapid City, SD (US);
David John Dixon, Rapid City, SD (US);
South Dakota School of Mines & Technology, Rapid City, SD (US);
Abstract
The present invention relates to a method for removing arsenic in arsenic contaminated water, especially for small drinking water systems such as those used in individual homes, rural areas, and small communities, by simply contacting arsenic-contaminated water with an arsenic removal medium. The present invention also relates to the composition of the arsenic removal medium, which comprises particles of calcium carbonate minerals and magnesium carbonate aggregates.