Phenoxypyridylmethyl esters, a process for their preparation and their use in pest combating agents
CA 1162925 A · Owner: Bayer Aktiengesellschaft · Inventors: Fuchs, Rainer; Hemmann, Ingeborg; Homeyer, Bernhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New phenoxypyridylmethyl esters of the general formula, (I), wherein, R1, R2 and R3 have the meaning given in the description and, R represents the radical wherein, R4 and R5 have the meaning given in the description, and represents the radical, wherein R6 and R7 have the meaning given in the description, are obtained by a process in which carboxylic acids of the general formula, R-COOH (II) wherein, R has the meaning given previously or reactive derivatives of these acids are reacted with, phenoxypyridyl alcohols of the general formula (III), wherein, R1, R2 and R3 have the meaning given above or with reactive derivatives of these alcohols if appre-, priate in the presence of acid …
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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 February 28, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 28, 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.