Polypeptides and methods for making the same
CA 2516834 C · Owner: Bhardwaj, Ranjit S. · Inventors: Bhardwaj, Ranjit S.; Sheriff, Ahmed; Vogt, Birgit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An isolated protein having at least 90 % homology with the dimeric protein having the following amino acid sequence (I) with the proviso that at the Cterminal end of the monomeric forms, 2 to 10 amino acid distance from Z2 a , Cys is present for forming the dimeric or multimeric protein Z1 is a signal , peptide for protein transport to the ER and/or through the plasma membrane or NH2 or a derivative of an NH2 group such as an alkylated or acylated , derivative, or polyethylene glycol (PEG) moiety Z2 is an amino acid residue , with up to 20 in particular 10 or 8 amino acids which are selected of substantially non-hydrophobic naturally occurring amino acids or COOZ3wherein Z3 is hydrogen, …
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 February 27, 2004 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 27, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2026.
- 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.