Use of chondroitinase in the manufacture of a medicament in the treatment and prevention of mucoid secretions
CA 2285940 A1 · Owner: Lamont, Thomas J. · Inventors: Lamont, J. Thomas; Bhaskar, K. Ramakrishnan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Gastrointestinal mucus from patients suffering from cystic fibrosis has been found to contain large amounts of chondroitin sulfate polymer. This finding indicates that the enzyme chondroitinase is useful for preventing gastrointestinal mucus from accumulating in cystic fibrosis patients and , subjects suffering from other diseases or conditions characterized by excess mucus secretion.
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 April 10, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 10, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2020.
- 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.