Patent · US Active

Catalyst and method for producing maleic anhydride

US9138729B2 · kind B2 · utility

2Cited by

11References

10Claims

0Family size

Assignee

BASF SE

Inventors

Cornelia Katharina Dobner · Ludwigshafen, DE
Stefan Altwasser · Monsheim, DE
Hagen Wilmer · Ludwigshafen, DE
Frank Rosowski · Mannheim, DE

Key dates

Filing date	Dec 21, 2009
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Nov 28, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2975
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a catalyst molded body for preparing maleic anhydride by gas-phase oxidation of a hydrocarbon having at least four carbon atoms using a catalytically active composition contains vanadium, phosphorus and oxygen, where the shaped catalyst body has an essentially cylindrical body having a longitudinal axis, wherein the cylindrical body has at least two parallel internal holes which are essentially parallel to the cylinder axis of the body and go right through the body. The catalyst molded body has a large outer surface area, a lower pressure loss and sufficient mechanical stability.

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