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Expired Canadian patentCanada

Method of preparation of bioabsorbable porous reinforced tissue implants and implants thereof

CA 2521355 C · Owner: Depuy Mitek, Inc. · Inventors: Brown, Kelly R.; Melican, Mora Carolynne; Chun, Iksoo

CIPO record

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Abstract From the Canadian patent

A biocompatible tissue implant. The tissue implant may be bioabsorbable consists of a biocompatible polymeric foam. The tissue implant also includes a biocompatible reinforcement member. The polymeric foam and the reinforcement member are soluble in a lyophilizing solvent. The reinforcement may be annealed and/or coated.

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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 27, 2005 and granted November 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 27, 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.
FiledSeptember 27, 2005
GrantedNovember 25, 2014
Term endedSeptember 27, 2025
Patent numberCA 2521355 C
Classification (IPC)A61L27/56 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 27, 2005Patent grantedNov 25, 2014Term endedSep 27, 2025

Sources & verification

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