Glycerol derivatives and process for preparing the same
CA 1047038 A · Owner: Otsuka Pharmaceutical Co. · Inventors: Tanimura, Kaoru; Murakami, Nanami; Nakagawa, Kazuyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A glycerol derivative represented by the formula (I) (I), wherein A is hereinafter defined, including the optionally active isomers per se and mixtures of the optically active isomers which are useful as a central nervous system depressant an, intermediate for that preparation of .beta.-adrenergic blocking agents an inhibitor of blood platelet aggregation or a choleretic agent, and a process for preparing the above glycerol derivative.
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 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1996.
- 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.