Patents by Inventor Artur Ulmer

Artur Ulmer 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: 6833451
    Abstract: Lipopolysaccharides and processes for producting the lipopolysaccharides are provided. The lipopolysaccharide has a lipid A portion, a core oligosaccharide portion, and an O-specific chain having a single repeating unit 06. A lipopolysaccharide may be produced by washing and drying and E. coli bacterial mass, subjecting the washed and dried bacterial mass to a phenol/water extraction, and treating the extract with RNases, DNases, and proteinase K.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: December 21, 2004
    Assignee: Pharma-Zentrale GmbH
    Inventors: Hans Proppert, Jürgen Malinka, Jürgen Schulze, Ulrich Sonnenborn, Ulrich Zähringer, Artur Ulmer, Ernst Theodor Rietschel
  • Publication number: 20030108573
    Abstract: Lipopolysaccharides and processes for producting the lipopolysaccharides are provided. The lipopolysaccharide has a lipid A portion, a core oligosaccharide portion, and an O-specific chain having a single repeating unit 06. A lipopolysaccharide may be produced by washing and drying and E. coli bacterial mass, subjecting the washed and dried bacterial mass to a phenol/water extraction, and treating the extract with RNases, DNases, and proteinase K.
    Type: Application
    Filed: December 23, 2002
    Publication date: June 12, 2003
    Inventors: Hans Proppert, Jurgen Malinka, Jurgen Schulze, Ulrich Sonnenborn, Ulrich Zahringer, Artur Ulmer, Ernst Theodor Rietschel