Fungicidal pyrrolylacrylate derivatives and methods of preparing them
CA 1333284 C · Owner: Imperial Chemical Industries Plc · Inventors: Godfrey, Christopher Richard Ayles; De Fraine, Paul John; Snell, Brian Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of formula:, and stereoisomers and salts thereof wherein R1 and R2, which are the same or different are optionally substituted, alkyl; V is oxygen or sulphur; Y is hydrogen optionally, substituted alkyl, cyano, nitro or halogen X is, , , or , ;, A, Z is NoR5 or C B; A is CO2R6 COR7 , cyano, nitro or, acylamino; Bis hydrogen optionally substituted alkyl, optionally substituted aryl CO2R8, COR9, cyano, nitro or, acylamino or A and B together form a ring containing one or more heteroatoms; R4 is CO2R3 or R17; R12 is OR13 SR14, NR15R16 or R18; R3 is optionally substituted alkyl; and R5 to R11 and R13 to R18, which are the same or different are, hydrogen, optionally substituted alkyl …
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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 November 29, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 29, 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.