Double ended hollow fiber bundle and fluids separation apparatus
CA 2079540 A1 · Owner: Union Carbide Industrial Gases Technology Corporation · Inventors: Bikson, Benjamin; Giglia, Salvatore
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An annular double ended hollow fiber bundle a fluid separation apparatus comprising the annular double ended hollow fiber bundle having bores open at both ends of the hollow fibers embedded in the two tubesheets enclosed in a shell having multiple ports a fluid entrance port, a non-permeate exit port and at least one permeate exit port, wherein said double ended hollow fiber bundle is encased in an essentially impermeable film barrier except for entrance regions situated in selected areas between the tubesheets and to processes for separating fluids mixtures. D-16718
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
- Filed September 30, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2014.
- 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.