A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
CA 2251807 A1 · Owner: Intech Edm B.V. · Inventors: Fischer, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is concerning a method for removing residual water from a container which contains ion exchanger resin and is provided with supply and discharge pipes for ion-containing water and de-ionized water respectively which container is subjected to a pressure difference as a result of which , said residual water is removed from said container. The invention also relates to a device for carrying out such a method which device comprises a container provided with a connecting means other than supply and discharge pipes which , connecting means can be coupled to a pressure means for generating an excess pressure or a sub-atmospheric pressure in the container.
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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
- Filed June 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 2019.
- 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.