Reduction of chemical oxygen demand of water by catalytic oxidation
CA 1094975 A · Owner: Rohrer, Ernst · Inventors: Rohrer, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of reducing the chemical oxygen demand or requirement of water and waste water charged with oxidizable substances, by continuous catalytic oxidation. There is used as a promoter excited dissociated and/or at least partially ionized gases and/or gas mixtures in a quantity such that there are formed a sufficient number of free radicals which initiate the oxidation and also continuously regenerate or reactivate the consumed catalyst. The method is especially useful for producing potable or drinkable water.
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
- Granted February 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
- 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.