N-benzoylanthranilate derivatives
CA 1107640 A · Owner: Sumitomo Chemical Co. Ltd. · Inventors: Yamamoto, Shigeo; Kirino, Osamu; Kato, Toshiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fungicidal composition which comprises as an active ingredient an N-benzoylanthranilate compound of the formula wherein X is a hydrogen or 3-halogen atom or a 3-methoxy 4-methoxy, 2,4-dimethoxy, 3,4-dimethoxy 3-halo-4-methoxy, 3,4-methylene-, dioxy or 3,5-dimethoxy group and R is a hydrogen atom or a C1-C7 alkyl, C3-C6 cycloalkyl, C2-C4 alkenyl halo-C1-C3 alkyl, C1-C4 alkoxy C1-C4 alkyl or N,N-di-C1-C2 alkylamino C1-C4 alkyl group provided that when X is a hydrogen or 3-halogen atom or a 4-methoxy, 2,4-dimethoxy, 3,4-dimethoxy 3,4-methylene-dioxy or, 3,5-dimethoxy group R is other than a C2-C7 alkyl C3-C6 cyclo-, alkyl, C2-C4 alkenyl, halo-C1-C3 alkyl or N,N-di-C1-C2 alkylamino C1-C4 …
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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.