Vaccine immunogens comprising disulphide bridged cyclised peptide and use thereof in the treatment of allergies
CA 2420086 A1 · Owner: Turnell, William Gordon · Inventors: Turnell, William Gordon; Biemans, Ralph Leon; Mason, Sean
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 chemical process for the covalent conjugation of disulphide bridge cyclised peptides to immunogenic carrier molecules by thio-ether linkages to form vaccine immunogens. In particular the novel chemistry involves reacting a thiolated carrier with a cyclic peptide containing a disulphide bridge which cyclic peptide (herein a , disulphide bridge cyclised peptide) has attached to it usually via a linker, a reactive group capable of forming thio-ether bonds with the carrier. The invention further relates to activated peptide intermediates of the process medicaments produced by the process, pharmaceutical compositions containing the medicaments, and …
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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 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 17, 2023.
- 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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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.