A - unsaturated amines, their production and use
CA 1341008 C · Owner: Takeda Chemical Industries, Ltd. · Inventors: Iwanaga, Koichi; Okauchi, Tetsuo; Minamida, Isao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are compounds of the formula: (wherein one of X1 and X2 is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R2 is 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; z is halogen or -S-R5 and R5 is a C1-5 alkyl group or a, C7-9 aralkyl group) or a salt thereof. These compounds or, their salts are useful for producing .alpha.-unsaturated amines of the formula:, (wherein X1, X2, R2, n and A° are as defined above; and R1 is a group attached through a nitrogen atom) and salts thereof which are useful in the agrochemical field as insecticidal and/or miticidal …
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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 30, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 30, 2017.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.