Patents by Inventor Mohammad Khadim

Mohammad Khadim 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).

  • Chelated polyhydroxstyrene for removing metal ions from aqueous and nonaqueous systems
    Patent number: 6028120
    Abstract: A process for producing a deionizing resin, which comprises reacting an organic compound having at least one reactive hydroxy group and at least one active chelating site with an organic polymer matrix having at least one reactive --OH or --NH.sub.2 group, and thereby producing a chelated.sub.-- polymer complex, as shown in FIG. II or FIG. IV: ##STR1## Washing the polymer complex with water, followed by washing with a mineral acid solution and then again washing with water and thereby reducing the level of sodium, iron and chromium ions in the polymer complex to less than 100 ppb each.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: February 22, 2000
    Assignee: Clariant Finance (BVI) Limited
    Inventors: M. Dalil Rahman, John Saukaitis, Robert E. Potvin, Mohammad Khadim