Particles for inhalation having rapid release properties
CA 2449439 A1 · Owner: Schmitke, Jennifer L. · Inventors: Edwards, David A.; Chen, Donghao; Batycky, Richard P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention generally relates to formulations having particles comprising phospholipids, bioactive agent and excipients and the pulmonary delivery thereof. Dry powder inhaled insulin formulations are disclosed. Improved formulations comprising DPPC, insulin and sodium citrate which are useful in the treatment of diabetes are disclosed. Also the invention relates to a , method of for the pulmonary delivery of a bioactive agent comprising administering to the respiratory tract of a patient in need of treatment or , diagnosis an effective amount of particles comprising a bioactive agent of any combination thereof in association, wherein release of the agent from the administered …
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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 June 24, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 24, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2024.
- 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.