R(-)-10,11-alkylenedioxy-n-alkylnorapomorphine
CA 1270253 C · Owner: Northeastern University · Inventors: Neumeyer, John L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, A method for providing orally effective aporphine compounds, and new compounds which are orally effective in the prevention and treatment of duodenal ulcers and in the treatment of neurological and psychiatric disorders having the following formula, wherein R1 is lower alkyl substituted lower alkyl, cycloalkyl, substituted cycloalkyl lower alkenyl, substituted lower alkenyl lower alkynyl, substituted lower alkynyl phenyl lower alkyl, phenyl lower alkenyl and phenyl lower alkynyl R2 and R3 are, hydrogen, methyl, lower alkyl substituted lower alkyl, cyclo-, alkyl substituted cycloalkyl, lower alkenyl, substituted lower alkenyl, lower alkynyl, substituted lower alkynyl phenyl …
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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 June 12, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 2007.
- 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.