Method and composition for solubilising a biologically active compound with low water solubility
CA 2442539 C · Owner: Leigh, Steven · Inventors: Tiemessen, Henricus; Leigh, Steven; Leigh, Mathew Louis Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compositions for forming molecular associates with lipophilic compounds and an improved, method of loading lipophilic biologically active compounds into previously formed, aqueous, suspensions of lipid particles. A preferred embodiment for injection purposes comprise lipid, particles having sizes below 1000 nm in diameter in a vial or other suitable , container are described. The method involves mixing a lipophilic compound either in solution or as an, amorphous, preferably lyophilised powder in a first container with an aqueous suspension of lipid, particles contained in a second container to form molecular associates. Only minimum agitation is, required. The entire procedure may be …
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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 March 26, 2002 and granted November 8, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.