Patents by Inventor Horst Schwall

Horst Schwall 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: 5672416
    Abstract: The invention relates to new fabrics with improved properties for the preparation of electrophoresis gels.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: September 30, 1997
    Assignee: Serva Feinbiochemica GmbH & Co.
    Inventors: Bertold Radola, Horst Schwall, Manfred Demharter
  • Patent number: 5378801
    Abstract: The invention relates to a continuous process for the preparation of resorbable polyesters.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: January 3, 1995
    Inventors: Dieter Reichert, Franz D. Klingler, Horst Schwall, Albert Christmann, Berthold Buchholz
  • Patent number: 5347020
    Abstract: The invention relates to a new process for the preparation and purification of thermolabile compounds.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: September 13, 1994
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Michael Aigner, Wolfgang Dersch, Dieter Reichert, Horst Schwall, Werner Warth
  • Patent number: 4990222
    Abstract: The invention relates to a new process for the purification, by distillation, of thermolabile compounds wherein a thermolabile compound is introduced into a twin screw extruder which is heated, in at least one zone, to the boiling temperature of the compound. The volatilized compound is drawn off and condensed.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: February 5, 1991
    Assignee: Boehringer Ingelheim KG
    Inventors: Michael Aigner, Wolfgang Dersch, Dieter Reichert, Horst Schwall, Werner Warth