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Canadian application, no grantCanada

Multi-chamber fluidized bed equipment

CA 2297712 A1 · Owner: Mitsubishi Materials Corporation · Inventors: Takashi, Nishida

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention provides a multi-chamber fluidized bed equipment that can remarkably diminish a reverse mixing phenomenon of a powder from the discharge side chamber to the feed side chamber, comprising a vertical partition plate dividing a equipment between the feed port and discharge port into a plurality of chambers the, partition plate having a slit or holes wherein the top ends, of first and second declining plates facing to the chambers respectively, are bound to the partition plate at the upper edge of the slit or holes so that the powder can be transferred from the feed side chamber to the discharge side chamber, wherein the length of the declining plate is equal to the length …

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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 January 31, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 31, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 31, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 31, 2000
GrantedNo grant recorded
Term endedJanuary 31, 2020
Patent numberCA 2297712 A1
Classification (IPC)B01J8/26 +1 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJan 31, 2000Term endedJan 31, 2020

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.