N-(2-methoxyethyl)noroxymorphone, the acid addition salts thereof, pharmaceutical compositions containing them and processes for the preparation thereof
CA 1196633 A · Owner: Boehringer Ingelheim International Gmbh · Inventors: Stockhaus, Klaus; Merz, Herbert; Langbein, Adolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to N-(2-methoxyethyl)noroxymorphone of formula, I, and the acid addition salts thereof. The new compound is prepared for example, by reacting noroxymorphone with a 2-methoxyethyl halide, and is analgesically effective and can be used for controlling pain.
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 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2002.
- 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.