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Expired Canadian patentCanada

Silane derivatives, processes for their preparation, agents containing them, and their use as pesticides

CA 1301154 C · Owner: Luders, Walter · Inventors: Waltersdorfer, Anna; Luders, Walter; Salbeck, Gerhard

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Abstract From the Canadian patent

Abstract of the disclosure: NOVEL SILANE DERIVATIVES, PROCESSES FOR THEIR PREPARATION AGENTS CONTAINING THEM, AND THEIR USE AS PESTICIDES the compounds of the formula (I), (I), in which X denotes CH2 or 0, R1 denotes (subst.) pyridyl or (subst.) pyrimidyl R2 and R3 denote alkyl or alkenyl or R2 and R3 denote an alkylene chain, R4 denotes -H -CN, -CC13, -C?CH, alkyl, F, or -C(S)-NH2 R5 denotes pyridyl, furyl, thienyl, phthalimidyl di(C1-C4)alkylmaleimidyl, thiophthalimidyl dihydrophthalimidyl or tetrahydrophthalimidyl which may all be substituted, or substituted phenyl or, R4 and R5 - together with the carbon atom bridging them denote an optionally substituted indanyl cyclo-, pentenoyl or …

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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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 24, 1987
GrantedMay 19, 1992
Term endedMay 19, 2009
Patent numberCA 1301154 C
Classification (IPC)C07F7/10 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedApril 24, 1987Patent grantedMay 19, 1992Term endedMay 19, 2009

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