A method and an apparatus for mixing a propellent gas and a slurry
CA 2374216 A1 · Owner: Human, Johan Leonard · Inventors: Human, Johan Leonard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for mixing a compressed propellent gas and a slurry. The method is characterized in that the slurry is fed into a cavity that the propellent gas is added to the slurry inside said cavity that the , resulting gas-added slurry is allowed to undergo a first expansion step while it is still inside said cavity, before it is allowed to exit from the cavity and that it undergoes a second expansion step while exiting from the cavity into the ambient air, whereby it is sprayed onto a desired object. The invention also relates to an apparatus for working the method.
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 June 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 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.