Pyrimidine derivatives having a herbicidal action and an action regulating plant growth, and the production and use thereof
CA 1231098 A · Owner: Ciba-Geigy Investments Ltd. · Inventors: Bohner, Beat; Meyer, Willy; Tobler, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 5-14428/ZFO/=, Pyrimidine derivatives having a herbicidal action and an action regulating plant growth, and the production and use thereof, Abstract, N-Pyrimidin-4-yl-N'-sulfonylureas of the formula I and the basic addition salts thereof have herbicidal properties and properties for regulating especially, inhibiting, plant growth:, (I) the symbols in this formula having the following meanings: Q is halogen, lower alkyl, lower haloalkyl lower, alkoxy, lower haloalkoxy, nitro amino, lower alkyl, or dialkylamino, lower alkoxycarbonyl formyl, lower, alkoxyalkyl, lower alkoxyalkoxy lower alkylthio, lower alkylsulfinyl or alkylsulfonyl C1-C4-alkenyl, or C1-C4-alkynyl, R1 is hydrogen halogen, …
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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 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
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