Patents by Inventor Karola Hahn

Karola Hahn 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).

  • Amido-linked oligosaccharide alditols and a process for their manufacture
    Patent number: 5120839
    Abstract: The invention relates to amido-linked oligosaccharide alditols, i.e. oligosaccharide alditols with an amido linkage, having the general formula ##STR1## wherein: R.sub.1 =the alditol portion of a mono-, di- or oligosaccharide alditol, in which the alditol portion has 2 to 6 carbon atoms, andR.sub.2 =the alditol portion of a mono-, di- or oligosaccharide alditol, in which the alditol portion has 3 to 7 carbon atoms and is combined with the terminal or another carbon atom.They are manufactured by N-acylation of amino polyols derived from saccharides, with a sugar acid in the presence of methanol or in aprotic polar solvents.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: June 9, 1992
    Assignee: Suddeutsche Zucker-Aktiengesellschaft
    Inventors: Karola Hahn, Bernd Schneider