Patents by Inventor Michaela Wilke

Michaela Wilke 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: 5463034
    Abstract: New polysaccharides have recurring units I or a salt thereof.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: October 31, 1995
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Alexander Klausener, Klaus Szablikowski, Klaus Balser, Michaela Wilke
  • Patent number: 5068321
    Abstract: New polysaccharide carbonates are produced by acylation of polysaccharides with carbonic acid esters and have degrees of substitution of preferably 0.5 to 3.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: November 26, 1991
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Alexander Klausener, Klaus Szablikowski, Klaus Balser, Michaela Wilke
  • Patent number: 4978750
    Abstract: Cellulase-free heteropolysaccharides, more especially xanthan, are obtainable by treatment at special pH values, heat treatment, optionally cooling, neutralization and, optionally, subsequent precipitation in a high-turbulence precipitation bath.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: December 18, 1990
    Assignee: Wolff Walsrode AG
    Inventors: Michaela Wilke, Klaus Szablikowski, Klaus Balser
  • Patent number: 4788087
    Abstract: Tubular packaging casing, in particular a food-stuffs casing of regenerated cellulose, which contains an internal coating of film-forming plastic resins, which contains 10 to 200 mg of a protein coagulant per m.sup.2 of internal coating having at least one COOH-group or a salt thereof.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: November 29, 1988
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Michaela Wilke, Hartmut Klusik, Klaus Balser