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Expired Canadian patentCanada

Syndiotatic polypropylene composition comprising a thermoplastic elastomer

CA 2554909 C · Owner: Karsten, Petrus · Inventors: Karsten, Petrus; Mulkens, Edmond

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 medical article container, or tube made from , a , film or sheet said film or sheet comprising: a syndiotactic polypropylene; and a , thermoplastic elastomer having styrene and isoprene units and at least one of vinylisoprene or butadiene units.

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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 28, 2005 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 28, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 28, 2005
GrantedMarch 25, 2014
Term endedJanuary 28, 2025
Patent numberCA 2554909 C
Classification (IPC)C08L25/10 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 28, 2005Patent grantedMarch 25, 2014Term endedJan 28, 2025

Sources & verification

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