Substituted 1-oxo-2-phenyl-2-(2-alkylaminoethyl)-1,2, 3,4,-tetrahydronaphthalenes, their preparation and their use
CA 1249589 A · Owner: Basf Aktiengesellschaft · Inventors: Traut, Martin; Hofmann, Hans P.; Teschendorf, Hans-Juergen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-Oxo-2-phenyl-2-(2-alkylaminoethyl)-1,2 3,4-tetrahydronaphthalenes of the formula I I, where R1 and R2 are identical or different and are each hydrogen, halogen, trifluoromethyl, C1-C4-alkyl or C1- C4-alkoxy, R3 is C1-C6-alkyl and R4 is hydrogen C1-, C6-alkyl or benzyl, or R3 and R4 together may furthermore be a C2-C5-alkylene chain, and their salts with physiologically tolerated acids, and their preparation are described. These novel compounds are useful active compounds for treating disorders.
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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 January 31, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2006.
- 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.