A method and an apparatus for purifying water by photo-chemical oxidation
CA 2505733 A1 · Owner: Kaas, Povl · Inventors: Kaas, Povl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention concerns an apparatus for purifying contaminated water by photochemical oxidation, wherein at least a sub-flow of water is directed through a flow channel wherein the water is irradiated with UV electromagnetic radiation from at least one UV lamp assembly wherein said at least one UV , lamp assembly includes a high-pressure UV halogen lamp which is mounted generally parallel with the flow direction in the channel. Moreover a method , is also provided, whereby the water flow is radiated with UV radiation by at least on UV halogen high-pressure lamp assembly which is energy intensive , wave lengths in the range of 150 nm to 260 nm preferably in the range of 160 , nm …
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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 November 20, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 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
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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.