Oximinophosphoric acid derivatives, their preparation, and their use for controlling pests
CA 1191150 A · Owner: Basf Aktiengesellschaft · Inventors: Kiehs, Karl; Seufert, Walter; Buerstinghaus, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Oximinophosphoric acid derivatives of the formula, (I), where R1 is straight-chain or branched alkyl of not more than 4 carbon atoms, R2 is a straight-chain or branched alkoxy or alkylthio group of not more than 4 carbon atoms straight-, chain or branched alkoxyalkylthio of not more than 6 carbon atoms, straight-chain or branched alkyl of not more than 3 carbon atoms, phenyl or a straight-chain or branched alkylamino or dialkylamino radical where each alkyl is of not more than 4 carbon atoms, R3 is straight-chain or branched alkoxy of not more than 4 carbon atoms or methoxymethyl and X is oxygen or sulfur, processes for their preparation and their use for controlling pests.
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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 July 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.