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Expired Canadian patentCanada

Selective herbicidal agents based on a triazinedione

CA 1163109 A · Owner: Bayer Aktiengesellschaft · Inventors: Schmidt, Robert

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Abstract From the Canadian patent

A herbicidal composition comprising (I) 1-amino-3-(2,2-dimethylpropyl)- 6-ethylthio-1,3,5-triazine-2,4(1H,3H)-dione of the formula and (II) from 0.5 to 10 parts by weight per part of the above triazinedione of, one of a particular group of known herbicides consisting of ureas thiocarbamates, carboxylic acid esters benzoic acid derivatives, benzonitriles phenol der-, ivatives, dinitroanilines diphenylethers, phenoxyalkanecarboxylic acids s-, triazines, as-triazin-5-ones and heterocyclic active compounds which selectively, do not attack certain cereal crops exhibits synergistically herbicidal activity against weeds, particularly in cereal cultivation.

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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 6, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 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.
FiledNovember 20, 1981
GrantedMarch 6, 1984
Term endedMarch 6, 2001
Patent numberCA 1163109 A
Classification (IPC)A01N43/64 +2 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedNov 20, 1981Patent grantedMarch 6, 1984Term endedMarch 6, 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.