Method for producing hydrogen peroxide by direct synthesis
CA 2328107 A1 · Owner: Schutte, Rudiger · Inventors: Balduf, Torsten; Hemme, Ina; Bertsch-Frank, Birgit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for producing an aqueous solution of hydrogen peroxide from hydrogen and oxygen by direct synthesis in the presence of a heterogeneous catalyst. According to this method a mixture containing H2 , and O2 is supplied to the reactor which contains the catalyst. Said gas mixture is essentially saturated or oversaturated (= containing mist) with water vapour. The volume ratio of gas mixture (Nl/h) supplied to liquid (l/h) taken off is adjusted to values equal to or greater than 15,000 especially , 20,000 to 50,000 and the gas mixture leaving the reactor is re-stocked with H2, O2 and H2O vapour and recycled. According to the invention solutions with , a …
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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 March 31, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 31, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2021.
- 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.