Method for metering a medium which is liquid, gaseous or in the supercritical state, into a pressure reactor
CA 2279627 A1 · Owner: Breede, Knut · Inventors: Breede, Knut; Hlawitschka, Werner; Hildebrandt, Volker
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 metering a medium which is gaseous or in the, supercritical state, into a pressure reactor (1). The pressure reactor has a reaction, chamber (13) which is connected to a stirrer dome into which the medium is metered at a predetermined volume flow or mass flow in such a way that the pressure in the stirrer dome becomes greater than the pressure in the reaction chamber. This prevents reactive mixtures from diffusing from the reaction chamber, into the cavity. The invention also relates to uses of the method. For example it can be used , for, purging the pressure reactor for protecting the stirrer drive, for cooling or heating, the contents of the …
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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 August 4, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 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.