Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362345 | Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures | Thomas Heidemann, Heiko Arnold, Gerhard Hefele | 2002-03-26 |
| 6350717 | Catalyst and process for the selective hydrogenation of unsaturated compounds in hydrocarbon streams | Andrea Frenzel, Cristina Freire Erdbrugger, Ekkehard Schwab, Michael Hesse, Gerd Linden +1 more | 2002-02-26 |