Therapeutic fragments of von willebrand factor
CA 2094259 A1 · Owner: Scripps Research Institute (The) · Inventors: Ware, Jerry L.; Ruggeri, Zaverio M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A polypeptide patterned upon a parent polypeptide and comprising the amino acid sequence of that fragment of mature von Willebrand factor subunit which begins approximately at residue 441 (arginine) and ends at approximately residue 733 (valine) or any subset, thereof, in which one or more of the cysteine residues normally present in the parent polypeptide, or subset thereof have been, deleted and/or replaced by one or more other amino acids said, polypeptide having therefore less tendency than the parent polypeptide, or subset thereof, to form intra or interchain disulfide bonds in aqueous media at a physiological pH and including also a, DNA sequence encoding an aforementioned …
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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 October 17, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2013.
- 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.