Cyclohexane derivative
CA 1316921 C · Owner: Kasahara, Chiyoshi · Inventors: Oku, Teruo; Hashimoto, Masashi; Ohkawa, Takehiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure describes cyclohexane derivatives of the formula:, (I), wherein R1 is halomethyl; or arylthiomethyl which may have amino, lower alkoxy or, acylamino R2 is lower alkoxy, or, and, R4 is hydrogen,lower alkylcarbamoyl lower, alkylcarbamoyloxy(lower)alkylcarbamoyl heterocyclic carbonyl or heterocyclic, carbamoyl or salt thereof. These derivatives have an angiogenesis inhibitory activity. Also described are a process for the preparation of these derivatives pharmaceutical compositions containing same.
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.