Organophosphorus compounds containing a thiazolidine ring
CA 1279324 C · Owner: Ichinari, Mitsuhiro · Inventors: Hayase, Yoshio; Taguchi, Junji; Takahashi, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compound of the formula: (I), wherein R1 and R2 each represent C1-C5 alkoxy or C1-C5 alkylthio, R3, R4, R5 and R6 each represent hydrogen or C1-C5 alkyl, R7, R8 and R9 each represent hydrogen C1-C5, alkyl or halogen, and X represents oxygen or sulfur. A process fox preparing the compound (I) and a pesticidal composition containing the compound (I) are also provided.
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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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.