2.beta.-MORPHOLINO-ANDROSTANE DERIVATIVES AND PROCESSES FOR THEIR PREPARATION
CA 1291117 C · Owner: Sleigh, Thomas · Inventors: Savage, David Samuel; Carlyle, Ian Craig; Sleigh, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds having the formula: wherein R1 is H or an optionally substituted acyl group having 1-12 carbon atoms, R2 is H or an acyl group having 1-12 carbon atoms and, R3 is C, N-CH3 or a direct bond; and mono- or bisquaternary ammonium compounds thereof and acid addition salts of the non or mono-quaternary ammonium compounds. Process for the preparation of these compounds. Compositions comprising at least one of the above compounds as the active ingredient. The compounds are favourable neuromuscular blocking agents.
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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- 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.