Pyridyliminomethylbenzene derivatives
CA 1160229 A · Owner: Shell Canada Limited · Inventors: Haken, Pieter T.; Webb, Shirley B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides pyridyliminomethylbenzene derivatives and acid addition salts thereof said derivatives being compounds of general formula: (I), wherein X is cyano, ethynyl, optionally substituted alkyl optionally substituted, alkoxy, cycloalkoxy alkenyloxy, alkynyloxy, haloaryloxy, alkoxyaryloxy aralkyl-, oxy, haloaralkyloxy, alkoxyaralkyloxy optionally substituted alkylthio, cycloalkylthio, alkenylthio, alkynylthio, arylthio haloarylthio, alkoxyarylthio, aral-, kylthio or a group of formula:, where R1 and R2 are independently selected from hydrogen and optionally substituted alkyl, or R1 and R2 together with the interjacent nitrogen atom form a heterocyclic ring of from 5 to 7 ring …
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 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2001.
- 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.