Patents by Inventor Susanna Lyng R.o slashed.en

Susanna Lyng R.o slashed.en 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).

  • Process for the removal of metal compounds from an aqueous acid solution
    Patent number: 6156207
    Abstract: Process for the selective removal of metallic ion and/or ion ammonium impurities from water soluble acid compound comprising the steps of preparing an aqueous solution of the acid compound containing the impurities;contacting the aqueous solution with a cation exchange resin and removing selectively the metal-ion and/or ammonium ion impurities from the solution at condition being effective in the exchange of cations; andwithdrawing an aqueous solution of the acid compound being substantially free of the impurities.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: December 5, 2000
    Assignee: Haldor Topsoe A/S
    Inventors: Sven Ivar Hommeltoft, Susanna Lyng R.o slashed.en