Protein c or activated protein c-like molecules
CA 2425221 A1 · Owner: Maxygen Holdings Ltd. · Inventors: Freskgaard, Per Ola; Pedersen, Anders Hjelholt; Andersen, Kim Vilbour
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 conjugates between polypeptide variants of pro-tein C and a non-polypeptide moiety such as PEG or sugar moieties. In , particular the present invention provides novel protein C conjugates having an increased resistance to inactivation by e.g. human plasma and a1antitrypsin. Consequently, such conjugates have an increased in vivo halflife. Preferred examples include protein C conjugates wherein at least one , additional in vivo N-glycosylation site has been introduced. The conjugates of the invention are useful for treating a variety of diseases including septic , shock.
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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 15, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 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.