Substituted tetrazolinones
CA 1236467 A · Owner: Uniroyal Chemical Company, Inc. · Inventors: Moore, Richard C.; Covey, Rupert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compound having the formula where X, X1 and X2 are oxygen or sulfur; Y is oxygen sulfur or, NH; R1 is C1-C12 alkyl, C7-C9 aralkyl phenyl, C2-C4 alkenyl, phenyl substituted with halogen C1-C4 alkyl, C1-C2 haloalkyl, C1-C4 alkoxy C1-C4 haloalkoxy, C1-C4 alkylthio, C1-C4 haloalkylthio, C2-C5 alkoxycarbonyl, phenoxy nitro or cyano, phenoxy substituted with halogen C1-C4 alkyl, C1-C2 haloalkyl, C1-C4 alkoxy C1-C4 haloalkoxy, C1-C4 alkylthio, C1-C4 haloalkylthio, C2-C5 alkoxycarbonyl, nitro or cyano or C7-C9 aralkyl substituted on the phenyl ring with halogen C1-C4 alkyl, C1-C2 haloalkyl, C1-C4 alkoxy methylenedioxy, nitro or cyano; R2, is hydrogen C1-C4 alkyl, phenyl or phenyl substituted with …
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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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
- 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.