Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Certain aromatization process for preparing 1-alkyl-1,4-dihydro-4-oxo-7-(4-pyridyl)-3-quinoline carboxylic acid

Certain aromatization process for preparing 1-alkyl-1,4-dihydro-4-oxo-7-(4-pyridyl)-3-quinoline carboxylic acid

US Patent 4727148 · Granted Feb 23, 1988

Estimated economic value: $11,641,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Production of naphthyl-substituted ketones from naphthaldehydes1998
Process for purifying a 2,6-dialkylphenol1998
Process for purifying a 2,6-dialkylphenol1997
Preparation of optically active aliphatic carboxylic acids1996
Nitro-substituted polyarylketones1992
Mixed halogenation of cyclododecatriene1992
Substituted benzophenone dicarboxylic acids1991
Substituted benzophenone dicarboxylic acids1991
Methylthio substituted diaminotoluenes1991
Preparation of (hydrocarbylthio)aromatic amines1989
Poly(hydrocarbylthio)anilines1989
Process for recovering cuprous iodide catalyst used in synthesis of (trifluorome1989