Herbicidal method comprising the use of diflufenican
CA 1282975 C · Owner: May & Baker Limited · Inventors: Hewett, Richard Henry; Veerasekaran, Ponnan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
HERBICIDAL METHOD COMPRISING THE USE OF DIFLUFENICAN" The present invention relates to a method of controlling the growth of weeds at a cereal crop locus which comprises applying to the locus (a) bromoxynil which is 3,5-dibromo-4-hydroxybenzonitrile or ioxynil, which is 4-hydroxy-3,5-diiodobenzonitrile an, agriculturally acceptable salt or ester thereof or a mixture thereof and (b) diflufenican which is N-(2,4-difluorophenyl)-2-(3-trifluoromethylphenoxy)nicotinamide.
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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 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.