Carboxyalkyl dipeptides, processes for their production and pharmaceutical compositions containing them
CA 1341206 C · Owner: Schering Corporation · Inventors: Neustadt, Bernard R.; Gold, Elijah H.; Smith, Elizabeth M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Carboxyalkyl dipeptides, processes for their production and pharmaceutical compositions containing them. Disclosed are novel carboxyalkyl dipeptides which are useful as inhibitors of angiotensinconverting enzyme and as antihypertensive agents, having the formula (see formula I) , and the pharmaceutically acceptable salts thereof wherein, R and R6 are for example hydroxy lower alkoxy or aryllower-alkoxy; , R1 is for example hydrogen alkyl, lower alkoxy or, aryloxy; R2 and R7 are the same or different and are hydrogen or lower alkyl; R3 is for example lower alkyl or phenyl lower alkyl; R4 and R5 are selected from hydrogen lower alkyl and, 2, or R4 and R5 taken together form a group …
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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 March 20, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2018.
- 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.