Benzoylurea derivative and its production and use
CA 1309727 C · Owner: Sumitomo Chemical Company, Limited · Inventors: Mori, Tatsuya; Yano, Toshihiko; Takada, Yoji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a novel benzoylurea derivative represented by the formula its production and insecticides containing it as an active ingredient. The benzoylurea derivative is produced by reacting a benzamide compound represented by the formula with an isocyanate compound represented by the formula .
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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
- 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.