The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 1988
Filed:
Oct. 14, 1986
Applicant:
Inventors:
Heiner Strathmann, Tubingen, DE;
Harm Schmoldt, Hamburg, DE;
Assignee:
Stantech GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
204301 ;
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.