A pressurized reactor system and a method of operating the same
CA 2183890 C · Owner: Foster Wheeler Energia Oy · Inventors: Isaksson, Juhani
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are provided for operating a pressurized reactor system (1) in order to precisely control the temperature within a pressure vessel (3) in order to minimize condensation and to prevent, the temperature from reaching a detrimentally high level while at the, same time allowing quick heating during start-up. Gas is circulated from one part of the inside volume to another to control the temperature of the inside volume, for example by passing the gas through an exterior conduit (7) which has a heat exchanger (8), control valve (9) blower (10) and, compressor (11) associated therewith or by causing natural convection, flow of circulating gas within one or more generally …
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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 30, 1995 and granted November 9, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 30, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2017.
- 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.