New medicaments containing gelatin cross-linked with oxidized polysaccharides
CA 2251129 A1 · Owner: Innogenetics N.V. · Inventors: Draye, Jean-Pierre; Schacht, Etienne; Delaey, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a medicament comprising a biopolymer matrix comprising gelatin cross-linked with an oxidized polysaccharide. Preferably said oxidized polysaccharide comprises an oxidized dextran or an oxidized xanthan. Preferably said medicament is a wound dressing. Preferably said matrix is in the form of a hydrated film a hydrated or dry foam, dry fibres , which may be fabricated into a woven or non-woven tissue hydrated or dry , micro beads, dry powder; or said matrix is covered with a semipermeable film so as to control the humidity of the wound covered with the dressing with the , permeability chosen so as to maintain this humidity within a therapeutically optimal …
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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 5, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 5, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.