Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the preparation of halophthalic anhydrides

Process for the preparation of halophthalic anhydrides

US Patent 5206391 · Granted Apr 27, 1993

Estimated economic value: $41,226,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Sofa and sofa switch2025
Process for treatment of sewage sludge2018
Chemical agent for reduction of vector attraction2016
Controlling seizure activity with electrical stimulation2012
Transition metal catalysts containing bidentate ligands and method of using and 2004
Transition metal catalysts containing bidentate ligands and method of using and 2004
Process for making phosphorus halides and oxyhalides2004
Reducing meta content of isomeric mixtures of halo substituted alkylbenzenes2001
Method of making high purity 2,4- and 3,4-dichlorotoluene2000
Highly selective process for making o-arylbenzonitriles2000
Reducing meta content of isomeric mixtures of halo substituted toluenes2000
Photo-polymerization of vinyl chloride using metallocene catalysts2000