Patent · US Expired

Method for producing acrylic acid by heterogeneously catalyzed gas-phase oxidation of propene with molecular oxygen in a reaction zone

US7026506B2 · kind B2 · utility

5Cited by

4References

19Claims

0Family size

Assignee

BASF SE

Inventors

Frieder Borgmeier · Mannheim, DE
Jochen Petzoldt · Mannheim, DE
Hartmut Hibst · Schriesheim, DE
Andreas Tenten · Maikammer, DE

Key dates

Filing date	Apr 12, 2002
Grant date	Apr 11, 2006
Priority date	—
Expiry date	Jul 11, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/35
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

In a process for the preparation of acrylic acid by heterogeneously catalyzed gas-phase oxidation of propene with molecular oxygen in a reaction zone, the catalytically active material is a multimetal oxide which contains the elements Mo, V, Te and/or Sb and has a specific structure.

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