3-phenyl-4-cyanopyrrole derivatives and microbicidal compositions containing them
CA 1286293 C · Owner: Novartis Pharma Canada Inc./Novartis Pharma Canada Inc. · Inventors: Nyfeler, Robert; Ehrenfreund, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to novel 3-phenyl-4-cyanopyrrole derivatives of the general formula, wherein, X has the following meanings: A: hydrogen or CO-R1, wherein R1 is C1-C6alkyl which is unsubstituted or substituted by halogen or C1-C3alkoxy; or is C3-C6alkenyl, C3-C6alkynyl, or C1-C6alkoxy which is unsubstituted or substituted by halogen or C1-C3alkoxy or is C3-C6alkenyloxy C3-C6cycloalkyl or tetrahydrofur-2-yl; B: S-R2, wherein R2 is C1-C3haloalkyl; C: CH(Y)R3, wherein R3 is hydrogen or C1-C8haloalkyl and Y is hydroxy, halogen or OC(O)R4, wherein R4 is C1-C8alkyl C1-C8-, haloalkyl, C2-C6alkenyl, tetrahydrofur-2-yl tetrahydropyran-, 2-yl or C1-C6alkoxycarbonyl; D: CH2-Z, wherein Z is one of …
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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 July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.