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Canadian application, no grantCanada

Substrates for forming synthetic tissues

CA 2352841 A1 · Owner: Carlyle, Wenda C. · Inventors: Carlyle, Wenda C.

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

A prosthesis is formed from a substrate with an associated attraction compound. The attraction compound binds viable precursor cells to the substrate. Thus, the substrate forms a synthetic tissue supporting viable cells once the substrate is contacted with a solution containing viable precursor cells. Preferred precursor cells differentiate into fibroblasts or into endothelial cells.

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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 November 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 30, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 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.
FiledNovember 30, 1999
GrantedNo grant recorded
Term endedNovember 30, 2019
Patent numberCA 2352841 A1
Classification (IPC)A61L27/22 +1 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedNov 30, 1999Term endedNov 30, 2019

Sources & verification

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