Devices and pharmaceutical compositions for enhancing dosing efficiency
CA 2522158 C · Owner: Eason, Stephen · Inventors: Eason, Stephen; Staniforth, John; Ganderton, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to enhancing the dosing efficiency of apomorphine dry powder , formulations administered by pulmonary inhalation. This is achieved by a dry powder formulation for , pulmonary administration comprising active particles mixed with carrier particles, wherein said active , particles have a surface having an amount of force control agent thereon and said carrier particles have a , surface having an amount of force control agent thereon.
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 14, 2004 and granted March 20, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2026.
- 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.