Patent Yard Sign in
Expired Canadian patentCanada

Antimicrobial triazole derivatives

CA 1137089 A · Owner: Janssen Pharmaceutica, Naamloze Vennootschap · Inventors: Backx, Leo; Heeres, Jan; Nyfeler, Robert

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

Novel 1H-1,2,4-triazole derivative which have the formula, (I), and the phytopharmaceutically acceptable acid addition salts metal salt complexes and stereochemically isomeric forms thereof, wherein, R1, R2 and R3 are each independently selected from the group consisting of hydrogen, lower alkyl, lower alkyloxy halo, nitro, cyano and trifluoromethyl; n is the integer 0 or 1;, x is a member selected from the group consisting of O and S; and, R4 is a member selected from the group consisting of alkyl mono-, di- and trihalo-alkyl, lower alkyloxy-lower alkyl mono-, di- and trihalo-lower alkyloxy-lower alkyl lower alkneyl, 2-, propynyl, 3-halo-2-propynyl cycloalkyl, aryl, aryl-lower alkyl, and …

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 7, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 1999.
  • 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 27, 1979
GrantedDecember 7, 1982
Term endedDecember 7, 1999
Patent numberCA 1137089 A
Classification (IPC)C07D405/06 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 27, 1979Patent grantedDec 7, 1982Term endedDec 7, 1999

Sources & verification

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