Guanidine derivatives
CA 1087180 A · Owner: Imperial Chemical Industries Limited · Inventors: Swallow, Douglas L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Guanidine derivatives of the formula:in which R1 is a cyclohexyl, adamantyl bicycloheptanyl, bicycloheptenyl, tricycloheptanyl or tetracyclononanyl radical and R2 ia a phenyl or pyridyl radical optionally substituted by 1 or 2 halogen atoms, or alkyl, cyanoalkyl alkoxycarbonyl or, amino radicals, and the pharmaceutically-acceptable acidaddition salts thereof, active against rhinoviruses are, disclosed, along with processes for their manuracture compositions containing them, a method of combatting rhinoviral infections and a method of selectively killing rhinoviruses in a mixed virus population.
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 October 7, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 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.