System and method for high pressure delivery of gas-supersaturated fluids
CA 2300432 A1 · Owner: Gessert, James M. · Inventors: Gessert, James M.; Daoud, Adib G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (10) and method for generating a gas-supersaturated fluid and delivering the fluid at high delivery pressures to thereby prevent bubble nucleation is disclosed. The system (10) comprises a housing (40) for containing a removable fluid assembly (20) for housing a fluid to be gassupersaturated and a drive assembly (30) for delivering the fluid to a delivery site. The housing assembly (40) comprises a cylinder (50) and a piston (52) which may be advanced along the inner surface of the cylinder (50) to pressurize and to deliver the fluid. To generate a gas-supersaturated fluid, the housing assembly (40) is removed from the system housing filled , with a fluid, and gas is …
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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 August 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 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.