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Expired Canadian patentCanada

Pharmaceutical composition for the treatment of acute disorders

CA 2629988 C · Owner: Pettersson, Anders · Inventors: Nystroem, Christer; Pettersson, Anders

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

A pharmaceutical composition for the treatment of acute disorders is described. The composition comprises an essentially water-free ordered mixture of at least one pharmaceutically active agent in the form of microparticles which are adhered to the surfaces of carrier particles which are substantially larger than the particles of the active agent or agents and are essentially water-soluble, in combination with the bioadhesion and/or mucoadhesion promoting agent. The invention also relates to a method for preparing the composition and to the use of the composition for the treatment of acute disorders.

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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 September 24, 1999 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 24, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 24, 1999
GrantedJanuary 7, 2014
Term endedSeptember 24, 2019
Patent numberCA 2629988 C
Classification (IPC)A61K31/43 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedSep 24, 1999Patent grantedJan 7, 2014Term endedSep 24, 2019

Sources & verification

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