Cationic dosper virosomes
CA 2388053 A1 · Owner: Nika Health Products Limited · Inventors: Klein, Peter; Walti, Ernst Rudolf; Gluck, Reinhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a cationic virosome that comprises at least one active fusogenic peptide that is a non-Sendai viral hemagglutinin and , wherein the virosome membrane comprises 5 to 30 % by weight based on total , lipids, of 1,3-dioleoyloxy-2-(6-carboxy-spermyl)-propylamide (DOSPER) in combination with other lipids comprising phosphatidylcholine (PC) or a derivative thereof and optionally phosphatidylethanolamine (PE) and/or other cationic lipids. The virosomes are highly efficient in the delivery of negatively charged material, particularly nucleic acid compounds to target , cells. The invention also relates to a method for the manufacture of the virosomes and to uses …
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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 September 29, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 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.