Plate dialyser with membrane pairs spot-joined at many places
CA 1061724 A · Owner: Gambro Ag · Inventors: Boberg, Gunnar; Riede, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a device for diffusing substances between two fluids via semi-permeable membranes which are disposed in pairs between spacing plates in a pile of at least two such plates, each plate comprising throughflow ducts for the respective fluid connected to inlets and outlets respectively, of which a first fluid is arranged to be ducted between the membranes disposed in pairs and a second fluid outside said membranes and the membranes disposed in pairs forming between them a network of ducts for the said first fluid, characterized in that said network of ducts has a well-defined thickness and volume by the membranes within a pair of membranes being joined to each …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.