Microbicidal agents containing 4-nitroso-pyrazoles
CA 1188856 A · Owner: Bayer Aktiengesellschaft · Inventors: Genth, Hermann; Maurer, Fritz; Paulus, Wilfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microbicidal agents which are used for protecting industrial materials and contain 4-nitroso-pyrazoles of the formula, wherein, R1 represents cyanoalkyl with up to 6 carbon atoms C3 to C8-cycloalkyl which is optionally interrupted by -S-, -SO- or SO2-, phenyl which is substituted by nitro C1 to C4-alkoxy and/or phenylsulphonyl benzyl which is, optionally substituted by halogen nitro, C1 to C4- alkyl, and/or C1 to C4-alkoxy or a 5-membered or 6-membered, heterocyclic ring which contains 1 or 2 nitrogen atoms and optionally contains a sulphur atom and which is optionally benzofused. Certain new 4-nitroso-pyrazoles are disclosed wherein R1 is cyano-ethyl, phenyl which is nitro methoxy and/or, …
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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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2002.
- 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.