Antimycotically active cyclopropyl-substituted azolylmethylcarbinols
CA 2003213 C · Owner: Plempel, Manfred · Inventors: Plempel, Manfred; Fugmann, Burkhard; Stroech, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antimycotically active 1-cyano- and, 1-carboxamidocyclopropylazolylmethylcarbinols have now been found of the formula, (see fig. I), in which R1 - represents hydrogen or, - represents alkyl or - represents alkylcarbonyl, R2 - represents cyano or - represents a group of the formula, (see fig. II) R3 - represents phenyl which is optionally substituted by halogen, straight-chain or branched alkyl alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halo-genoalkylthio, or by phenyl or phenoxy which in, turn, may be substituted by halogen or alkyl having up to 6 carbon atoms, X - represents a nitrogen atom or the CH group Y - represents a bond or, - represents a group of the formula (see fig. …
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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
- Filed November 17, 1989 and granted August 3, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 17, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2011.
- 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.