¬2,5-dihydro-2-oxo-5-phenyl-3-furanyl amines, methods of manufacture, and use thereof in the production of angiotensin converting enzyme inhibitors
CA 1284499 C · Owner: Novartis Ag · Inventors: Boyer, Stephen K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
2,5-Dihydro-2-oxo-5-phenyl-3-furanylamines methods of, manufacture, and use thereof in the production of angiotensin converting enzyme inhibitors, Abstract of the Disclosure The present invention relates to compounds of the formula III (III), wherein R1 is carboxy or lower alkoxycarbonyl. Even methods of manufacture and use thereof in the production of angiotensin converting enzyme inhibitors are disclosed.
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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
- Granted May 28, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2008.
- 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.