Microbicidal triazolyl derivatives
CA 2205509 C · Owner: Stenzel, Klaus · Inventors: Dutzmann, Stefan; Tiemann, Ralf; Jautelat, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Triazolyl derivatives of the formula, (see formula I) in which, R1 and R2 are identical or different and represent optionally substituted alkyl, optionally substituted cycloalkyl optionally substituted aralkyl, optionally substituted aroxyalkyl, optionally substituted aryl or optionally substituted heteroaryl and, X represents the groups -SH -SR3, -SO-R3, -SO2-R3 OR -SO3H, in which R3 represents alkyl which is optionally substituted by fluorine and/or chlorine, alkenyl which is optionally substituted by fluorine and/or chlorine optionally, substituted aralkyl or optionally substituted aryl and their acid addition salts and metal salt complexes a plurality of processes for the preparation 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
- Filed November 8, 1995 and granted October 14, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 8, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 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
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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.