Plate dialyzer
CA 1054069 A · Owner: Baxter Travenol Laboratories · Inventors: Hoeltzenbein, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A diffusion device has a plurality of stacked plates and overlying membranes, in which one face of the plates defines a profiled surface to define flow channels thereacross. A line of spaced, projecting teeth on one edge of the plates defines flow channels communicating across the plate edge between the plate surface and the exterior adjacent the plate edge. The teeth of each plate are overlaid and surrounded by a membrane. Blood passing between the teeth across each plate is separated from the plate by its associated membrane.
Read the whole patent
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 May 8, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 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.