Expired Canadian patentCanada
Isoxazolylbenzamides
CA 1164871 A · Owner: Eli Lilly And Company · Inventors: Burow, Kenneth W. Jr.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Benzamide derivatives of formula (I): where R is N, F, Br, C1, CH3 or OCH3, R1 is H C1-C3 alkyl, or 2,6-dichlorobenzoyl and R2 is a substituted isoxazolyl group are effective insecticides.
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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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 15, 1981
GrantedApril 3, 1984
Term endedApril 3, 2001
Patent numberCA 1164871 A
Classification (IPC)C07D261/00 +2 more
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.