Patent · US Active

Process for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating of toluene with nitrating acid

US7928270B2 · kind B2 · utility

1Cited by

1References

16Claims

0Family size

Assignee

BASF SE

Inventors

Ulrich Penzel · Lauscha, DE
Ruediger Fritz · Bernsdorf, DE
Holger Allardt · Schwarzheide, DE
Johannes Adam · Dresden, DE
Anne-Kathrin Merten · Schwarzheide, DE

Key dates

Filing date	Mar 6, 2007
Grant date	Apr 19, 2011
Priority date	—
Expiry date	Jan 9, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C201/16
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process is proposed for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating toluene with nitrating acid, which comprises

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.