9-deoxy-9,6-nitrilo or 6,9-imino-pgf compounds
CA 1091227 A · Owner: Upjohn Company (The) · Inventors: Bundy, Gordon L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to certain structural and pharmacological analogs of prostacyclin (PGI2) wherein a nitrogen atom is substituted for the 6,9.alpha.-epoxyoxygen of prostacyclin. These novel nitrogen-containing prostacyclin-type compounds are useful for the pharmacological purposes for which prostacyclin is used e.g. as antithrombotic agents, smooth muscle stimulators, gastric antisecretory agents, antihypertensive agents, antiasthma agents, nasal decongestants or, regulators of fertility and procreation.
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
- Granted December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
- 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.