.alpha.-CYANOPHENOXY BENZYLAMINE DERIVATIVES
CA 1181756 A · Owner: Ici Australia Limited · Inventors: Wilshire, Colin; Jongen, Rene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns novel compounds of the formula I, I, wherein A, B, D and E are chosen from hydrogen halogen, Cl to C6 alkyl, Cl to C6 haloalkyl and Cl to C6 alkoxy and Z is a tertiary or quaternary amino group. The compounds are useful intermediates for the preparation of pyrethroids. In further embodiments the invention provides processes for the preparation of the compounds of formula I and processes for the synthesis of pyrethroids utilizing the compounds of formula I.
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 January 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.