Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528683 | Method for producing shell catalysts for the catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such a manner | Frank Rosowski, Gerd Linden, Michael Seufert, Gerhard Hefele, Peter Michael Lorz | 2003-03-04 |
| 6362345 | Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures | Heiko Arnold, Gerhard Hefele, Herbert Wanjek | 2002-03-26 |
| 6288273 | Method for producing shell catalysts for catalytic gas-phase oxidation of aromatic hydrocarbons | Thomas Cimniak, Bernhard Ulrich | 2001-09-11 |