Expired Canadian patentCanada
Herbicidal, acaricidal and crop regulating compositions containing as active ingredient 2-trifluoromethyl-4, 6-dinitro-phenol and derivatives therefor
CA 1280440 C · Owner: Inczedy, Peter · Inventors: Bihari, Ferenc; Czovek, Rudolf; Magyari, Istvan
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are disclosed herbicides and crop regulating compositions, comprising as active ingredient 2-trifluoromethyl 1-4, 6-dinitro-phenol compounds and derivatives thereof and processes for their preparation.
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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 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.
FiledFebruary 2, 1984
GrantedFebruary 19, 1991
Term endedFebruary 19, 2008
Patent numberCA 1280440 C
Classification (IPC)C07C205/26 +2 more
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.