Patent · US Expired

Method for the continuous extraction of (meth)acrylic acid

US7109374B2 · kind B2 · utility

2Cited by

3References

7Claims

0Family size

Assignee

BASF SE

Inventors

Otto Machhammer · Mannheim, DE
Christoph Adami · Weinheim, DE
Claus Hechler · Mannheim, DE
Juergen Schroeder · Ludwigshafen, DE
Volker Schliephake · Schifferstadt, DE
Joachim Thiel · Neustadt, DE
Volker Diehl · Ellerstadt, DE

Key dates

Filing date	Mar 28, 2002
Grant date	Sep 19, 2006
Priority date	—
Expiry date	Mar 28, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C51/48
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for the continuous recovery of (meth)acrylic acid from the reaction gas of a catalytic gas-phase oxidation comprising the following process stages is proposed:

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