Method for temporarily interrupting a fischer-tropsch reaction in a three-phase bed reactor
CA 2587197 C · Owner: Institut Francais Du Petrole · Inventors: Hugues, Francois; Marion, Marie-Claire
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method for temporarily interrupting a Fischer-Tropsch reaction implemented on a feedstock comprising at least carbon monoxide and hydrogen in a three-phase bed reaction zone comprising a liquid phase a gas phase and solid catalyst particles maintained in suspension said method including the following steps: a) interrupting the reaction and b) restarting said reaction while maintaining the solid catalyst particles in suspension in the reaction zone a) during step of interrupting the reaction stopping the supply of feedstock, and establishing in the reaction zone an inhibiting gas blanket comprising less than 1 vol. %. of hydrogen and at least 5 vol. % of at least one …
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
- Filed November 16, 2005 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 16, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.