1-heteroaryl-4-aryl-pyrazolin-5-ones
CA 1261331 A · Owner: Bayer Aktiengesellschaft · Inventors: Schmitt, Hans-Georg; Paulus, Wilfried; Sasse, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-Heteroaryl-4-aryl-pyrazolin-5-ones, ASBTRACT Microbicidally active novel 1-heteroaryl-4aryl-pyrazolin 5-ones of the formula, in which R represents hydrogen or alkyl, R1 represents halogen hydroxyl, optionally sub-, stituted alkyl optionally substituted alkoxy, optionally substituted phenoxy a radical -S(O)p-, alkyl which is optionally substituted in the alkyl part, nitro, optionally substituted amino or a fused-on carbocyclic or heterocyclic radical p represents an integer 0, 1 or 2, R2 represents halogen or optionally substituted alkyl, or represents alkoxy, alkylmercapto nitro, cyano, carboxamide or a fused-on carbocyclic radical, m represents an integer from 0 to 5 n represents an …
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.