Compounds with the biological activity of vasoactive intestinal peptide for the treatment of pulmonary and arteriolar hypertension
CA 2428552 A1 · Owner: Block, Lutz-Henning · Inventors: Block, Lutz-Henning
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 peptides which are highly biologically and pharmacologically active as therapeutic drug for the treatment of diseases related to hypertension, especially in medical interventions involving dilatation and remodelling of arterial blood vessels either in the pulmonary , or in the systemic circulation. The peptides which can be used according to the invention for the treatment of said diseases comprises at least one specific highly conservative amino acid residue sequence which seem to play an important role in connection with pulmonary and arteriolar hypertension events. It could be shown that the known naturally occurring peptides "vasoactive …
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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 November 22, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 22, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 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.