2-phenyl-3-(3'-pyridyl)-isoxazoline compounds
CA 1087189 A · Owner: Shell Canada Limited · Inventors: Webb, Shirley B.; Boyce, Clive B. C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fungicidal compositions comprising a carrier or a, surface-active agent or both a carrier and a surfaceactive agent, and as active ingredient at least one, 3-pyridyl isoxazolidine of the general formula: . wherein R1 represents a hydrogen atom or an alkyl alkenyl, or alkoxy group; R2 represents a hydrogen atom or a cyano alkoxy, alkoxycarbonyl, acyloxy, amido phenyl sulphonyl aryl thio, or optionally substituted amino alkyl or aryl, group; R3 represents a hydrogen atom or an alkyl group; R4 represents a hydrogen atom or an alkyl alkoxycarbonyl, cyano, nitro, acyl or phenylsulphonyl group; or R1 and R3 jointly form a carbocyclic or heterocyclic ring system; X represents a halogen atom, nitro …
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 October 7, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 1997.
- 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.