Cyclopropane carboxylic aci derivatives
CA 1197856 A · Owner: Dainippon Jochugiku Kabushiki Kaisha · Inventors: Katsuda, Yoshio; Minamite, Yoshihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the general formula: and stereoisomers thereof; wherein R1 represents a hydrogen atom or a methyl group; R2 represents an alkyl group an, alkenyl group, a haloalkyl group and a haloalkenyl group each of 1 to 6 carbon atoms and a , group, a group or a , group; wherein n is an integer of 2 to 5 and R4 represents a methyl group, a methoxy group or a chlorine atom; and R3 represents a , group a, group, a , group, a , group, a, group or a group;, wherein X represents an oxygen atom or a vinylene group; R5 represents an allyl group, a propargyl group a benzyl group, a phenoxy group or a 2,2-dichlorovinyloxy group R6 represents, a hydrogen atom, a methyl group or a halogen atom; R7 …
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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 December 10, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 2002.
- 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.