Patents Assigned to Didda Maria Janina Baumann
  • Process and device for regenerating a contaminated solvent
    Patent number: 6117275
    Abstract: Process and apparatus for regenerating a contaminated solvent wherein said solvent is first separated from higher-boiling contaminants in an evaporator, and then contaminants having a lower boiling point than said solvent are separated out in a condenser in which the temperature of said lower-boiling contaminants coming out of said condenser and the temperature of said solvent coming out of said condenser are separately controlled.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: September 12, 2000
    Assignee: Didda Maria Janina Baumann
    Inventor: Walter Baumann