METHOD AND COMPOSITION TO REDUCE THE AMOUNTS OF HEAVY METAL IN AQUEOUS SOLUTION

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United States of America Patent

APP PUB NO 20120145640A1
SERIAL NO

13274140

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a method for removing heavy metals from aqueous solutions by contacting heavy metal-contaminated water with a sorption media, or in particular with carbonate minerals. The present invention also relates to methods of using modified sorption media, such as aggregates of carbonate minerals and modified carbonate minerals, for the removal of heavy metals.

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Patent Owner(s)

Patent OwnerAddress
SOUTH DAKOTA BOARD OF REGENTS306 EAST CAPITOL AVENUE SUITE 200 PIERRE SD 57501

International Classification(s)

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  • 2011 Application Filing Year
  • C09K Class
  • 1857 Applications Filed
  • 1322 Patents Issued To-Date
  • 71.20 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DAVIS, Arden D Rapid City, US 1 4
Dixon, David J Rapid City, US 4 166
Sorensen, Jenifer Rapid City, US 1 4
Webb, Cathleen J Bowling Green, US 1 4
Williamson, Terrence E Rapid City, US 1 4

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  • 4 Citation Count
  • C09K Class
  • 8.64 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges523561024020118421601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 9091 - 100100 +0100200300255075125150175225250275325350375

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