Alginate foam compositions
CA 2484424 A1 · Owner: Scherr, George H. · Inventors: Scherr, George H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification discloses an alginate foam composition dressing which may be prepared with or without a backing. The foam dressing exhibits unique capability in including soluble or insoluble medicaments a s part of the alginate foam composition, attributes not inherent in alginate dressings prepared by spinning. The dressings so prepared also eliminate the need for adhesives and secondary dressings for retaining an alginate dressing on a wound site.
Read the whole patent
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 February 18, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 18, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 18, 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.
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.