Piperazinyluracil salt
CA 1065865 A · Owner: Byk Gulden Lomberg Chemische Fabrik G.M.B.H. · Inventors: Klemm, Kurt; Amschler, Hermann; Ludwig, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a novel piperazinyluracil salt of the formula I:, I, This novel compound is useful in the treatment of hypertension and represents an improved form of presentation of the corresponding antihypertensive piperazinyluracil from which it is derived. It is prepared according to the invention by reacting the parent compound urapidil or an acid addition thereof with furosemide or a salt thereof with a base.
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 November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 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.