Phenylsilylmethyl 3-phenoxybenzyl or 6-phenoxypyrido-2- ylmethyl ether
CA 1289566 C · Owner: Takahashi, Toshio · Inventors: Ohtsuka, Toshikazu; Hayase, Yoshio; Ishiguro, Takeo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides compounds of the formula: (I), wherein R1 and R2 are each a phenyl group optionally substituted by a radical selected from the group consisting of C1-C5 alkyl, C1-C5 alkoxy, C1-C5 alkylthio C1-C5, alkylenedioxy, halogen, nitro, and halogeno-C1-C5 alkoxy; R3 and R4 are each C1-C5 alkyl; and Z is N or CH. These compounds exhibit pronounced insecticidal activity. The invention also provides a method for preparing the compounds (I) and a pesticidal formulation containing the same.
Read the whole patent
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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- 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.