Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 4-Substituted-1-(4-alkylsulphonamidophenyl)piperazines as antiarrhythmic agents

4-Substituted-1-(4-alkylsulphonamidophenyl)piperazines as antiarrhythmic agents

US Patent 4797401 · Granted Jan 10, 1989

Estimated economic value: $7,239,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Muscarinic receptor antagonists1999
Indole derivatives thromboxane A2 antagonists1998
Muscarinic receptor antagonists1997
Quinuclidine esters process and intermediate for their preparation and pharmaceu1996
1-arylethyl-3-substituted piperidines1996
Anticholinergic agents1996
Muscarinic receptor antagonists1995
Muscarinic receptor antagonists1995
1-arylethyl-3-substituted piperidines1995
Certain 1-azabicyclo[2.2.1]heptanes useful as muscarinic receptor antagonists1995
Certain 1-azabicyclo[2.2.1]heptanes useful as muscarinic receptor antagonists1995
Piperidine and pyrrolidine derivatives1994