Antigenic compositions
CA 2494002 A1 · Owner: Vande Velde, Vincent · Inventors: Vande Velde, Vincent
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 novel antigenic compositions suitable for parenteral and mucosal administration, comprising an antigen within an aqueous medium and a carbohydrate, wherein the carbohydrate is in the form of a derivative which exhibit acidic moieties preferably in the form of its , carboxylic acid derivative. The antigenic compositions are in a stable solid form and, after reconstitution with a liquid excipient or adjuvant followed by administration through the parenteral or mucosal route rapidly dissolve in , the body fluids, thereby releasing the reconstituted vaccine into the body. Specifically, the lyophilised form may consist of a powder or a cake containing the …
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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 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 2025.
- 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.