Patents Assigned to Stantech GmbH
  • Patent number: 4737260
    Abstract: A membrane stack unit for multi-compartment electrodialysis having pairs of mirror-image cell frame parts having an ion-selective membrane between them, the frame parts having supply and connection holes and distribution hole systems which mate with each other and with other said pairs and with end plates to provide up to four different process streams.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: April 12, 1988
    Assignee: Stantech GmbH
    Inventors: Heiner Strathmann, Harm Schmoldt