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Expired Canadian patentCanada

Synergistic herbicidal compositions

CA 1160468 A · Owner: Hoechst Aktiengesellschaft · Inventors: Schwerdtle, Friedhelm; Bieringer, Hermann

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Abstract From the Canadian patent

Herbicidal compositions containing as active substance A) phosphinotricine or a derivative thereof of the formula , in which, R denotes H, R' denotes H and n is zero or R denotes H, R' denotes H, Y denotes C1 and n is 1 or, R denotes H, R' denotes C1-C4alkyl.and n is zero o.r R denotes NH4, R' denotes H and n is zero or R denotes Na or K, R' denotes H, Na or K and n is zero, in combination with at least one of the following components: B) a hormone weed killer of the group of phenoxy-alkanecarboxylic acids of the formula in which, R denotes H and R' denotes 2,4,5-trichloro or R denotes CH3 and R' denotes 2,4-dichloro; C) a phenylurea derivative of the formula in which R denotes CH3 and R' …

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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 January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
  • 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 7, 1979
GrantedJanuary 17, 1984
Term endedJanuary 17, 2001
Patent numberCA 1160468 A
Classification (IPC)A01N43/68 +1 more

Timeline

Timeline From CIPO dates

19801983198619891992199519982001Application filedSep 7, 1979Patent grantedJan 17, 1984Term endedJan 17, 2001

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