Patents by Inventor Ruth Kornfeldt

Ruth Kornfeldt 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 analytical separation of inositol phosphates with quaternary amine and metal ion complex
    Patent number: 5225349
    Abstract: Inositol phosphates and/or derivatives thereof are analytically separated, whereby a quaternary amine is mixed with an aqueous solution containing one or more inositol phosphates and/or derivatives thereof. The aqueous solution obtained is fed to an analytical column containing a solid non-polar phase and the different constituents thereof are detected.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: July 6, 1993
    Assignee: Perstorp AB
    Inventors: Hubertus Irth, Ruth Kornfeldt, Lars Persson