Bioreactor
CA 2263668 A1 · Owner: Schenk, Wolfgang · Inventors: Schenk, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a bioreactor (8) for conditioning water loaded with organic substances in , particular from car washing installations the reactor container has a solid , bed (48) made of a porous substrate material capable of adsorbing the organic substances contained in the waste water and sown with micro-organisms known per se which degrade the organic substances contained in the water. The solid bed (48) is located on a permeable substrate (47) and a water collecting chamber (46) is provided below the solid bed upstream of the outlet for the , treated water. The outlet (26) is at the same time designed as a backwashing inlet. An inlet (24) and a backwashing outlet (28) are provided above the …
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 August 16, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 16, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 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.