Thienyloxyalkylamine derivatives, process for their preparation and medicaments containing them
CA 1338716 C · Owner: Rovenszky, Franz · Inventors: Binder, Dieter; Greier, Gerhard; Rovenszky, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Thienyloxyalkylamine derivatives of the general formula:, I, wherein -O-CH2-CH2-NR2R3 is in position 4 or 5 of the thiophene ring;, R1 is hydrogen, halogen CF3, alkyl or alkoxy;, R2 and R3 are the same or different and are each alkyl, cycloalkyl, alkenyl or alkynyl each having up to 8 C atoms, or NR2R3 is a 5 to 7-membered saturated heterocyclic ring optionally containing a further hetero atom which is oxygen or nitrogen optionally substituted by an alkyl group having 1 to 3 C atoms; and, n is an integer of 1 to 5; as well as their acid addition salts, are suitable for treatment of heart rhythm disturbances.
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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 November 12, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2013.
- 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.