Method and device for purifying contaminated liquids
CA 2279365 A1 · Owner: Wetzel, Rainer · Inventors: Schneider, Matthias; Borner, Gunter; Wetzel, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method of purifying contaminated liquids adsorbents , which adsorb the contaminants being added to the liquid. A plurality of adsorbent particles are agglomerated with the contaminants adsorbed therein/thereon to form larger adsorbent particles. The larger adsorbent particles are then suspended again in the liquid. The liquid with the larger adsorbent particles is then filtered. A corresponding device comprises at least one agglomerator (10) with an inlet (11) an outlet (13, 14) for each of , the separated constituents (clear flow and concentrated suspension) and a device for producing the agglomeration. The latter is preferably a device for generating an …
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 March 18, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2020.
- 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.