Herbicidal substituted 1-(2-halophenyl)pyrazoles
CA 1340602 C · Owner: Santel, Hans-Joachim · Inventors: Gallenkamp, Bernd; Schallner, Otto; Strang, Robert Harry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Herbicidal 1-arylpyrazoles of the formula in which, R1 stands for hydrogen or nitro R2 stands for hydrogen or for a radical R3 stands for hydrogen or halogen, R4 stands for halogen and, R5 stands for hydrogen or halogen where, R6 stands for haloalkyl, alkoxyalkyl or alkoxyalkoxyalkyl. Also new are the following process steps:
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 June 22, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 2016.
- 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.