A-unsaturated amines, their production and use
CA 1340991 C · Owner: Sumitomo Chemical Takeda Agro Company, Limited · Inventors: Minamida, Isao; Okauchi, Tetsuo; Iwanaga, Koichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
alpha.-Unsaturated amines of the formula: (see formula I), wherein X1 and X2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R1 is a group attached through a nitrogen atom; R2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.
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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 May 16, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 2017.
- 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.