Hydroxyethyl-azole derivatives
CA 1235419 A · Owner: Bayer Aktiengesellschaft · Inventors: Kramer, Wolfgang; Buchel, Karl H.; Holmwood, Graham
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hydroxyethyl-azole derivatives of the formula in which, R1 represents alkyl or the grouping Ar-Y- Ar represents optionally substituted aryl X represents a nitrogen atom or the CH group Y represents a direct bond or the grouping -CH2- -CH2CH2-, -OCH2-, -SCH2-, -CH=CH- or -C?C- Z represents oxygen or the NOR2 group and R2 represents hydrogen, alkyl, alkenyl alkinyl, optionally substituted aralkyl or optionally substituted cycloalkylalkyl, or addition products thereof with acids or metal salts which possess fungicidal activity.
Read the whole patent
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 April 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 19, 2005.
- 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.