Signal-1/signal-2 bifunctional peptide inhibitors
CA 2432767 A1 · Owner: Murray, Joseph S. · Inventors: Hu, Yongbo; Murray, Joseph S.; Siahaan, Teruna J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel peptide sequence having the general formula AB wherein each of A and B represent a chain of amino acid residues and wherein said A chain is capable of binding with a mojor histocompatibility comples on an antigen presenting cell, and wherein said B chain is capable of binding wiht a Signal-2 receptor on an antigen presenting cell. Preferred forms of the peptide sequence further include and Y chain positioned intermediate the A chain and the B chain. Moreover, preferred forms include and A chain which has at least about 10% sequence homology with a Signal-1 moiety or is a peptidomimetic of a Signal-1 , moiety said B chain has at least 10% sequence homology with a Signal-2 …
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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 December 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 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
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.