Water purification by means of catalytic surfaces and microorganisms
CA 2502223 A1 · Owner: Umwelttechnik Georg Fritzmeier Gmbh & Co. Kg · Inventors: Uphoff, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for purifying water according to which a solution , containing a portion of a microbiotic mixed culture is added to the water in a catalytically active environment. Said method can be used in an effective manner for purifying waste water and waters in public and private installations.
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 October 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2025.
- 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.