Expired Canadian patentCanada
Tripamide inclusion compound
CA 1215359 A · Owner: Eisai Co. Ltd. · Inventors: Ohwaki, Takayuki; Kawahara, Masahiro; Miyake, Yasuo
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An inclusion compound composed of tripamide and cyclodextrin markedly improves the solubility of tripamide which is effective for treatment of essential hypertension.
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 December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 20, 1984
GrantedDecember 16, 1986
Term endedDecember 16, 2003
Patent numberCA 1215359 A
Classification (IPC)C08B37/16 +2 more
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.