Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators
CA 1289560 C · Owner: Wuerzer, Bruno · Inventors: Rademacher, Wilhelm; Meyer, Norbert; Keil, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cyclohexenone derivatives of the formula , where R1, R2, A and X have the meanings given in the disclosure a process, for their manufacture, herbicidal and plant growth-regulating agents containing the novel active ingredients and methods of combating unwanted, plant growth and of regulating plant growth.
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.