Herbicidal 2-haloacetamides
CA 1210769 A · Owner: Monsanto Company · Inventors: Chupp, John P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides compounds having the formula, wherein X is chlorine, bromine or iodine; R is a C5-7 cycloalkenyl or phenyl radical or such R radical independently substituted with C1-6 alkyl thioalkyl, alkoxy, alkoxyalkyl, polyalkoxy C2-6 alkenyl or alkynyl, C5-10 aryl, halogen NO2, CF3, furfuryl or, tetrahydrofurfuryl; Y is O S or NR4; R4 is hydrogen or, C1-4 alkyl; R1 is hydrogen or the radicals as may be substituted on R; and n is an integer from 0-4 inclusive. A process for preparing the compounds is also disclosed. The compounds of this invention are useful as herbicides.
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 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 2003.
- 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.