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Expired Canadian patentCanada

Dosing device and method for dosing

CA 2531676 C · Owner: Boehringer Ingelheim International Gmbh · Inventors: Brickl, Rolf-Stefan; Schraivogel, Juergen

CIPO record

Overview

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

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Abstract From the Canadian patent

The invention relates to a dosing device for dosing small-particled pharmaceutical , preparations, particularly preparations in the form of pellets granules or , extruded , materials. The dosing device (10) shown has a chamber (16) for accommodating a larger, amount of the preparation and a dosing element (22) on which is formed a dosing chamber , (52), the volume of which corresponds to a defined partial quantity of the preparation, and , which is movable between a filling position in which the dosing chamber (52) is to be , filled with preparation from the chamber (16) and a release position in which , the preparation from the dosing chamber (52) is to be dispensed from the dosing …

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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 6, 2004 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 6, 2004
GrantedJanuary 22, 2013
Term endedJuly 6, 2024
Patent numberCA 2531676 C
Classification (IPC)G01F11/10 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJuly 6, 2004Patent grantedJan 22, 2013Term endedJuly 6, 2024

Sources & verification

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