2-(3, 5-dimethyl-4-hydroxyphenyl)indole derivatives
CA 1306464 C · Owner: Saito, Morinobu · Inventors: Hasegawa, Yukio; Mikami, Takashi; Miyasaka, Katsuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to novel 2-(3,5-dimethyl- 4-hydroxyphenyl)indole derivatives, and more specifically to compounds of the formula, (I), wherein R1 is a hydrogen atom or a methoxy group, and A is a C1-C4 alkylene group or a pharmaceutically acceptable salt thereof a process, for production thereof, and the use thereof as a medicine particularly as a lipoxygenase inhibitor for polyunsaturated fatty acids.
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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2009.
- 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.