Assignee
ALTWASSER STEFAN
DE·3 granted patents·2 pending applications·0 citations·filing 2010–2014
Top patents by PatentIndex Score
5 records- 0155US2014213801A1Multilayer catalyst having vanadium antimonate in at least one catalyst layer for preparing carboxylic acids and/or carboxylic anhydrides and process for preparing phthalic anhydride having a low hot spot temperatureALTWASSER STEFAN·Filed 2014·Application pending·0 cites
- 0245US9212157B2Catalyst for the oxidation of o-xylene and/or naphthalene to phthalic anhydrideALTWASSER STEFAN·Filed 2011·Granted Dec 15, 2015·0 cites·13 claims
- 0342US8901320B2Process for controlling a gas phase oxidation reactor for preparation of phthalic anhydrideALTWASSER STEFAN·Filed 2011·Granted Dec 2, 2014·0 cites·8 claims
- 0439US8859459B2Multilayer catalyst for preparing phthalic anhydride and process for preparing phthalic anhydrideALTWASSER STEFAN·Filed 2011·Granted Oct 14, 2014·0 cites·4 claims
- 0535US2012149919A1Maleic anhydride synthesis catalyst precursor and process for its preparationALTWASSER STEFAN·Filed 2010·Application pending·0 cites
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