Inventor
HEFELE GERHARD
DE3 patents
Patents
3 patentsUS6528683B1Mar 4, 2003
Method for producing shell catalysts for the catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such a manner
BASF AG94 citations96
US6362345B1Mar 26, 2002
Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures
BASF AG36 citations91
US6458970B1Oct 1, 2002
Method for producing acid phthalic anhydride and an appropriate shell catalyst containing titanium-vanadium-cesium
BASF AG25 citations89