Thiophenes useful in control of certain arthropods
CA 1086643 A · Owner: Uniroyal, Inc. · Inventors: Grahame, Robert E. Jr.; Hubbard, Winchester L.; Relyea, Douglas I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Substituted thiophenes of the following formula some of which are new compounds, are useful in controlling certain pests, particularly mites and insects: wherein A, Y and Z are various substituents such as phenyl and substituted phenyl.
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 September 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 1997.
- 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.