Insecticidal alkenes
CA 1289567 C · Owner: Whittle, Alan J. · Inventors: Whittle, Alan J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are described novel compounds of formula: CXY=CH-CR1R2-CH2OCH2R, wherein X and Y are each selected from hydrogen and halogen, R1 and R2 are each lower alkyl or together represent an alkylene group, and R is a phenoxyphenyl or a phenoxypyridyl group. The compounds and compositions comprising them are useful as insecticides. A typical example is 3,3-dimethyl-4-(4-fluoro-3-phenoxybenzyloxy)but- 1-ene.
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.