De-aggregating and dispersing dry medicament powder into air
CA 2482271 A1 · Owner: Myrman, Mattias · Inventors: Myrman, Mattias
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method based on air Air-razor tool is disclosed thereby providing deaggregation and dispersal into air of a dose of finely divided medication powder. In an effort of sucking air through a nozzle particles of a powder , dose made available to the nozzle are gradually de-aggregated and dispersed into a stream of air entering the nozzle. The gradual de-aggregation or dispersal is produced by a relative motion introduced between the nozzle and the dose. In a preferred embodiment, the powder is deposited onto a substrate occupying a larger area than the area of the nozzle inlet. The nozzle is preferably positioned outside the powder area not accessing the powder in its , relative motion …
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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 April 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 4, 2025.
- 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.