Method of removing sulfur trioxide from a flue gas stream
CA 2622064 C · Owner: Maziuk, John, Jr · Inventors: Maziuk, John, Jr
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of removing SO3 from a flue gas stream includes providing a reaction compound selected from the group consisting of sodium carbonate sodium , bicarbonate, sodium sesquicarbonate and mixtures thereof. The reaction , compound is injected into the flue gas stream. The temperature of the flue gas is between about 500~ F and about 850~ F. The reaction compound is maintained in contact with the flue gas for a time sufficient to react a portion of the reaction compound with a portion of the SO3 to reduce the concentration of the SO3 in the flue gas stream.
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 September 14, 2006 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 14, 2026.
- 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.