Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 5-Chloro-indole preparation

5-Chloro-indole preparation

US Patent 4377699 · Granted Mar 22, 1983

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rupturable opening for sealed container2009
Method and device for regulating the concentration of substances in electrolytes2002
Circuitry and method for an electroplating plant or etching plant pulse power su2001
Preparation of isomer-free 2,5-dichloro-pyridine1995
Anti-rotation bracket for a flanged connection spaced from fixed structure1994
Method for controlling the work cycle of electroplating plants1994
Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene1992
Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene1992
Production of pyridine-3-sulfonic acid1992
Novel separation process1991
Waterfree application form of low molecular weight alkali huminates1990
Process and huminate fraction1990