Patent · US Expired

Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated

US7287534B2 · kind B2 · utility

0Cited by

25References

20Claims

0Family size

Assignee

BASF SE

Inventors

Volker Diehl · Ellerstadt, DE
Ulrich Jager · Lichtenfels, DE
Jürgen Schröder · Ludwigshafen, DE
Joachim Thiel · Neustadt, DE

Key dates

Filing date	May 29, 2003
Grant date	Oct 30, 2007
Priority date	—
Expiry date	Mar 5, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB08B9/0327
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.

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