Use of charged dextran as a mucoactive agent and methods and pharmaceutical compositions relating thereto
CA 2382259 A1 · Owner: Governors Of The University Of Alberta · Inventors: King, Malcolm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is for a charged dextran preferably dextran sulfate, as , an improved mucoactive agent which can be used to improve viscoelasticity and clearance of respiratory tract mucus. The charged dextran can be used in the treatment of animals with impaired mucus clearance mucus retention and/or , mucus hypersecretion such as cystic fibrosis, chronic bronchitis bronchiectasis, bronchiolitis and bronchial asthma. Related methods of treatment and pharmaceutical compositions particularly aerosolized dextran , sulfate compositions are encompassed within the scope of the invention.
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 August 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 25, 2022.
- 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.