Substituted azolyl-tetrahydro-furan-2-ylidene-methane derivatives
CA 1237137 A · Owner: Bayer Aktiengesellschaft · Inventors: Brandes, Wilhelm; Elbe, Hans-Ludwig; Jautelat, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Azolyl-tetrahydrofuran-2-ylidene-methanes useful as fungicides of the formula, (I), in which A represents a nitrogen atom or the CH group; X represents oxygen, sulphur or the SO or SO2 group; R represents optionally substituted aryl; R1 to R6 are identical or different and represent hydrogen, alkyl, halogenoalkyl or halogen a maximum of, up to 3 substituents representing halogen or halogenalkyl, with the proviso that R1 and R2 are not at the same time methyl if X represents oxygen; R1 and R2, together with the carbon atom to which they are bonded, represent optionally substituted cycloalkyl or, R2 and R3, together with the carbon atoms to which they are bonded, represent optionally …
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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 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
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Timeline
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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.