Aroylaminomethylpyridines and their use to combat fungi
CA 1284506 C · Owner: Kay, Ian T. · Inventors: Kay, Ian T.
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 thereof wherein R1 is unsubstituted or substituted aryl or heteroaryl; R2 is H, alkyl, alkenyl or alkynyl X is, O, WH, or S; R3 being alkyl, alkenyl alkynyl or COR4, where R4 has an R3 value when X is O, R3 being -CO-, alkyl when X is NH; and R3 being alkyl alkenyl or, CSNR5R6 where R5 and R6, which may be the same or different, are H, alkyl, alkenyl or, together with the adjacent N atom, constitute a ring when X is S;, or XR3 together represent -CN; and salts and metal complexes thereof, have fungicidal and plant growth regulating 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 May 28, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2008.
- 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.