Patent Yard Sign in
Expired Canadian patentCanada

Non-peptide renin inhibitors

CA 1337909 C · Owner: Sham, Hing Leung · Inventors: Rosenberg, Saul H.; Baker, William R.; Mantei, Robert A.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A renin inhibiting compound of the formula: wherein A is a substituent; R1 is hydrogen loweralkyl, substituted loweralkyl or loweralkenyl; X is CH2 CHOH, C(O), O, S, S(O), SO2, NH, N(O) or -P(O)O-; R3 is loweralkyl, loweralkenyl or substituted loweralkyl; and T is mimic of the Leu-Val cleavage site of angiotensinogen; or a pharmaceutically acceptable salt, ester or prodrug thereof.

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 January 9, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 29, 1989
GrantedJanuary 9, 1996
Term endedJanuary 9, 2013
Patent numberCA 1337909 C
Classification (IPC)C07D211/46 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 29, 1989Patent grantedJan 9, 1996Term endedJan 9, 2013

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.