Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for producing 6,7-dimethoxy-4-amino-2-[4-(2-furoyl)-1-piperazinyl] q u

Method for producing 6,7-dimethoxy-4-amino-2-[4-(2-furoyl)-1-piperazinyl] q u

US Patent 4271300 · Granted Jun 2, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Anti-inflammatory agents2005
Pyridazinyl phenyl hydrazones useful against congestive heart failure2004
Substituted .beta. diketones and their use2001
Pharmacologically active catechol derivatives2000
Pharmacologically active catechol derivatives2000
Pharmacologically active catechol derivatives1999
Pharmacologically active catechol derivatives1999
Pharmacologically active catechol derivatives1997
Pharmacologically active catechol derivatives1997
Cephalosporin intermediate products1996
(-)-[[4-(1,4,5,6-tetrahydro-4-m ethyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]prop1996
Chiral resolution of an intermediate in diltiazem synthesis using lipase PS immo1996