Patents by Inventor Michael Gander

Michael Gander 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).

  • Patent number: 6414138
    Abstract: The invention relates to a process for producing mixtures selectively enriched with either 1,1-GPM and 1,6-GPS from hydrogenated isomaltulose. The process involves dissolving hydrogenated isomaltulose at an elevated temperature, and subjecting the resulting solution to one or more cooling steps, wherein each cooling step utilizes a predetermined cooling rate over a predetermined temperature range.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: July 2, 2002
    Assignee: Sudzucker Aktiengesellschaft
    Inventors: Hanspeter Degelmann, Michael Gander, Jörg Kowalczyk, Markwart Kunz, Mohammad Munir, Matthias Schüttenhelm, Wolfgang Wach
  • Patent number: 5023330
    Abstract: Process of preparing 1,6-.beta.-D-anhydroglucopyranose (levoglucosan) in high purity is described, where the starting material with a water-content, adjusted to max. 20%, is pyrolyzed, the volatile components are condensed and this distillate is neutralized. After filtration and optional treatment with an adsorbent, the mixture is chromatographically separated over an ion-exchange resin with water as eluent. Levoglucosan containing fractions are concentrated and crystalline levoglucosan is obtained by an evaporation - and/or cooling crystallization from a supersaturated water solution.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: June 11, 1991
    Assignee: Suedzucker-Aktiengesellschaft
    Inventors: Michael Gander, Knut M. Rapp, Hubert Schiweck