Fluidized-bed reaction apparatus and a fluidizing bed reaction process using the same
CA 1332201 C · Owner: Kureha Kagaku Kogyo Kabushiki Kaisha · Inventors: Okamoto, Tsuneo; Sakaguchi, Yasuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein are a fluidized-bed reaction apparatus comprising :, a perforated plate located in the lower portion of a fluidized-bed reaction tower for forming fluidized-bed of particles thereon, the perforated plate having regions with different opening ratio, at least outer peripheral portion of the perforated plate having a larger opening ratio than an average opening ratio of the perforated plate the ratio, of the area of the portion having the larger opening ratio than the average opening ratio to the area of the portion having an opening ratio not more than the average opening ratio being 1 : 15 to 1 : 2, and an average opening ratio of the portion having the larger opening ratio …
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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
- Granted October 4, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 4, 2011.
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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.