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Expired Canadian patentCanada

Vascularization enhanced graft constructs

CA 2483683 C · Owner: Purdue Research Foundation · Inventors: Badylak, Stephen Francis

CIPO record

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Abstract From the Canadian patent

A tissue graft construct for use in repairing diseased or damaged tissues is provided. The tissue graft construct comprises a matrix composition selected from the group consisting of urinary bladder submucosa and stomach submucosa and extracts and hydrolysates thereof, added endothelial cells and at least , one additional preselected exogenous population of cells which enhance initiation of the formation vessel-like structures in the graft construct. The preselected population of cells can be a population of non-keratinized or keratinized epithelial cells or a population of mesodermally-derived cells selected from the group consisting of fibroblasts smooth muscle cells, skeletal …

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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 May 1, 2003 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 1, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 1, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 1, 2003
GrantedJuly 2, 2013
Term endedMay 1, 2023
Patent numberCA 2483683 C
Classification (IPC)C12N5/07 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMay 1, 2003Patent grantedJuly 2, 2013Term endedMay 1, 2023

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