Haemostatic composition comprising hyaluronic acid
CA 2571981 C · Owner: Ferrosan Medical Devices A/S · Inventors: Sabra, Mads Christian; Moller, Lene; Wulff, Trine
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 haemostatic composition comprising a biologically absorbable material and hyaluronic acid or a derivative thereof methods of producing such compositions and the use of these compositions. In particular the method of producing said haemostatic composition comprises treating it with dry heat at a temperature between 110-200~C.
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 July 7, 2005 and granted December 30, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 7, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.