Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for purifying wastewaters from the workup of crude aromatic nitro compounds

Process for purifying wastewaters from the workup of crude aromatic nitro compounds

US Patent 8697921 · Granted Apr 15, 2014

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of purifying a protein from fermentation solids under desorbing condition2025
Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic ac2017
Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic ac2017
Method for producing linear pentenenitrile2016
Separation method for dinitrotoluene and mixed acid in a toluene to dinitrotolue2016
Process for scrubbing dinitrotoluene2016
Process for scrubbing dinitrotoluene2016
Process for obtaining pure aniline2015
Process for obtaining pure aniline2015
Process for obtaining pure aniline2015
Process for preparing polyisocyanates from biomass2015
Monitoring of the stoichiometric ratio in the reaction of nitroaromatics with hy2014