Lipid-comprising drug delivery complexes and methods for their production
CA 2445947 A1 · Owner: Harvie, Pierrot · Inventors: Harvie, Pierrot; Paul, Ralph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel stable, concentrated, biologically active and ready-to-use lipidcomprising drug delivery complexes and methods for their production are described. The complexes of the invention comprise a drug at least one lipid , species, optionally at least one polycation and at least one targeting , factor. The at least one lipid species may comprise a pegylated lipid. The complexes of the invention may provoke lower levels of inflammatory cytokines such as tumor necrosis factor-.alpha. (TNF-.alpha.). The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications.
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 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 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
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.