Patent Yard Sign in
Expired Canadian patentCanada

Cck antagonists

CA 1294737 C · Owner: Kim, Sun Hyuk · Inventors: Kim, Sun Hyuk

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

of the Invention, In general, the invention features compounds having the formula:, or a pharmaceutically acceptable salt thereof wherein, each R1 is, independently, an alkyl group having 1 to 5, inclusive, carbon atoms, an alkoxy group having 1 to 5, inclusive, carbon atoms, a halogen, amino hydroxy, nitro, cyano, carboxyl, trifluoreomethyl ethyl, carboxylate, or a hydrogen; m is an integer between 0 and 2, inclusive,; and A is either, -(CH2)n-?-R2 where n is an integer between 1 and, 5 inclusive, and R is hydroxy, an alkoxy group having 1 to 5, inclusive, carbon atoms aralkoxy (e.g. benzyloxy), aralkyl (e.g. benzyl) amino, an alkyl, group having 1 to 5, inclusive carbon atoms, an, …

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 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 30, 1986
GrantedJanuary 21, 1992
Term endedJanuary 21, 2009
Patent numberCA 1294737 C
Classification (IPC)C07K5/06 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 30, 1986Patent grantedJan 21, 1992Term endedJan 21, 2009

Sources & verification

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