Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of 2,3,5,6-tetrachloropyridine

Production of 2,3,5,6-tetrachloropyridine

US Patent 5618942 · Granted Apr 8, 1997

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Benzotriazole-1-yl-N-oxy phosphonium coupling agent2007
Preparation of D-histidine and derivatives thereof from L-histidine1996
Cyanohydrination process1993
Cyanohydrination catalyst and process1991
Catalyst system for amine transalkylation1987
Method for the production of butyrolactones1984