Angiotensin-converting enzyme inhibitory peptides
CA 2743539 C · Owner: Suntory Holdings Limited · Inventors: Ogura, Kyoichi; Iino, Taeko; Asami, Sumio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is intended to provide ACE inhibitory tripeptides which are not easily digested by digestive enzymes after being orally taken and thus have fewer tendencies to lose their ACE inhibitory activity in vivo. More specifically 3 tripeptides having an ACE inhibitory activity and showing a hypotensive effect in an animal experiment are discovered from a thermolysin digestion product of sesame. These tripeptides respectively have amino acid sequences Leu-Ser-Ala Val-Ile-Tyr and Leu-Val-Tyr and show an angiotensin converting enzyme inhibitory activity.
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 March 17, 2004 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 17, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 17, 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.