Smokeless porous carbon production method and its production system
CA 2473453 A1 · Owner: Shigyo, Motohiro · Inventors: Muramatsu, Shigeo; Shigyo, Motohiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A smokeless porous carbon production method and its production system in which porous carbon is produced by heat treating a large quantity of material e.g. , wood or bamboo, efficiently in a short time with thermal energy generated by combusting combustible gas produced by heating the material without , combusting the material completely by regulating inflow of air. The smokeless porous carbon production system comprises a chamber (12) for heating a material M, e.g. wood or bamboo, charged in from a material charging opening from below to carbonize the material sequentially and to generate combustible gas, a high heat treatment chamber (13) disposed below the sequential carbonization …
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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 July 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2024.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.