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Canadian application, no grantCanada

Drug delivery matrices to enhance wound healing

CA 2681952 A1 · Owner: Eidgenoessische Technische Hochschule Zurich · Inventors: Weber, Franz; Schense, Jason C.; Hubbell, Jeffrey Alan

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention provides a more efficient entrapment of bioactive molecules within a matrix for , the controlled delivery of these compounds for therapeutic healing applications. The matrix may , be formed of natural or synthetic compounds. The primary method of entrapment of the , bioactive molecule is through precipitation of the bioactive molecule during gelation of the , matrix, either in vitro or in vivo. The bioactive molecule is deglycosylated to reduce its effective , solubility in the matrix to retain it more effectively within the matrix. Preferably the bioactive , factors are deglycosylated members of the cystine knot growth factor superfamily, and particular , within the …

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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 April 25, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 25, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 25, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 25, 2002
GrantedNo grant recorded
Term endedApril 25, 2022
Patent numberCA 2681952 A1
Classification (IPC)A61K38/18 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedApril 25, 2002Term endedApril 25, 2022

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