Herbicidal cyclohexane-1,3-dione derivatives
CA 1261871 A · Owner: Ici Australia Limited · Inventors: Bird, Graham J.; Watson, Keith G.; Farquharson, Graeme J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
ICIA 1260, ABSTRACT, HERBICIDAL CYCLOHEXANE-1,3-DIONE DERIVATIVES The invention concerns novel compounds of the formula I and isomers thereof, I, wherein: n is an integer selected from 2 to 4;, m is zero or an integer selected from 1 to 3; X, which may be the same or different, are independently selected from halogen, alkyl, alkoxy and alkylthio;, R1 is selected from hydrogen, acyl and an inorganic or organic cation;, R2 is selected from alkyl substituted alkyl, alkenyl, haloalkenyl alkynyl and haloalkynyl;, R3 is selected from alkyl fluoroalkyl, alkenyl, alkynyl, and phenyl; and R4 is selected from hydrogen, halogen, alkyl cyano, and alkoxycarbonyl. The compounds of the invention show …
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.