Patents by Inventor Toan Phan Vo

Toan Phan Vo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for removing contaminants from fluid streams
    Patent number: 7429330
    Abstract: A method and recyclable magnetic adsorbent are provided for removing contaminants from a fluid stream that has by-products. The method includes providing an adsorbent material that has incorporated at least one ferromagnetic material. Contacting the ferromagnetic adsorbent material to at least a portion of contaminated stream to adsorb the contaminant. The contaminated adsorbent is then separated from the by-products using a magnetic separation process. The adsorbent is recovered from the solid by-products and reusable in the present method.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: September 30, 2008
    Assignee: Calgon Carbon Corporation
    Inventors: Toan Phan Vo, K. Raman Venkatesh
  • Adsorbents for removing heavy metals
    Patent number: 7429551
    Abstract: Adsorbents for removing anions of a heavy metals and methods for using same are provided. Metal removing adsorbents comprise a porous material in which at least one oxygen-containing compound of iron, copper, aluminum, titanium, and/or zirconium is incorporated. The oxygen-containing compound may be incorporated into the porous media by impregnation or dispersion of a suitable precursor of such a compound. The precursor may be further treated to yield the oxygen-containing compound. Such adsorbents are particularly useful for removing arsenic and/or selenium from the environment and may be used in treating drinking water sources.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: September 30, 2008
    Assignee: Calgon Carbon Corporation
    Inventor: Toan Phan Vo
  • Adsorbents for removing heavy metals and methods for producing and using the same
    Patent number: 6914034
    Abstract: Adsorbents for removing anions of a heavy metals comprise a porous carbon in which at least one oxygen-containing compound of iron, copper, and/or aluminum is incorporated. The oxygen-containing compound may be incorporated into the porous carbon by impregnation or dispersion of a suitable precursor of such a compound. The precursor may be further treated to yield the oxygen-containing compound. Such adsorbents are particularly useful for removing arsenic and/or selenium from the environment and may be used in treating drinking water sources.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: July 5, 2005
    Assignee: Calgon Carbon Corporation
    Inventor: Toan Phan Vo
  • Adsorbents for removing heavy metals and methods for producing and using the same
    Publication number: 20040089608
    Abstract: Adsorbents for removing anions of a heavy metals comprise a porous carbon in which at least one oxygen-containing compound of iron, copper, and/or aluminum is incorporated. The oxygen-containing compound may be incorporated into the porous carbon by impregnation or dispersion of a suitable precursor of such a compound. The precursor may be further treated to yield the oxygen-containing compound. Such adsorbents are particularly useful for removing arsenic and/or selenium from the environment and may be used in treating drinking water sources.
    Type: Application
    Filed: August 27, 2001
    Publication date: May 13, 2004
    Inventor: Toan Phan Vo