Herbidical composition
CA 1048289 A · Owner: Kumiai Chemical Industry Co. · Inventors: Kimura, Ichiro; Iori, Shinichi; Jikihara, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a herbicidal composition comprising 1, a bipyridylium salt and 2 a thiocarbamate having, the formula, wherein each R and R1 is a lower alkyl group or together with the nitrogen atom to which they are attached form a heterocyclic ring; R2 represents a group of the formula and X represents a halogen atom or a lower alkyl group; and n is 0, 1 or 2. The herbicidal composition is effective for the foilage treatment and soil treatment of weeds in agricultural land such as orchards, upland fields and paddy fields and also in non-agricultural land.
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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 1996.
- 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.