Composition to be administered through mucous membrane
CA 2384876 A1 · Owner: Laversanne, Rene · Inventors: Gaubert, Sophie; Laversanne, Rene
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 novel use of multilamellar vesicles with an onion-like structure having an internal liquid crystal structure formed by a stack of concentric bilayers based on amphiphilic agents alternating with layers of water, an aqueous solution or a solution of a polar liquid and into which at least one antigen is incorporated, for the production of a composition, more particularly a pharmaceutical composition, in particular a vaccine composition for, administration via the mucosa, to induce a mucous response and/or a seric systemic response and/or to protect the organism against an infection for which said antigen is responsible. The invention also relates to a 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 September 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 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.