Quinoline, quinazoline, and cinnoline fungicides
CA 1340470 C · Owner: Dow Agrosciences Llc · Inventors: Krumkalns, Victor Eriks; Jourdan, Phil Glen; Suhr, George Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds are described which have excellent plant fungicide activity. They are generally of formula (1), wherein, R5 is H, C1 or CH3; R5 is H, C1, or Br;, R1 and R3 are independently halo or CH3 and R4 is H; or R3 is halo, R1 is halo or H, and R4 is H; or R4 is halo and R1 and R3 are H;, A is, (a) (C3-C8) cycloalkyl or cycloalkenyl; (b) a phenyl group of the formula (2), in which R9 to R13 may represent a large number of substituents.
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 March 30, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2016.
- 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.