GD

Gerhard Dummer

WA Wacker Chemie Ag: 12 patents #58 of 1,324Top 5%
Hoechst Gmbh: 1 patents #2,248 of 4,020Top 60%
Overall (All Time): #429,435 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5177233 Catalyst system and use for the preparation of 1,2-dichloroethane Ludwig Schmidhammer, Klaus Haselwarter, Hermann Klaus, Klaus-Peter Mohr 1993-01-05
4839153 Process for purification of HCl from pyrolysis of EDC Ludwig Schmidhammer, Peter Hirschmann, Rudolf Strasser, Franz Haunberger 1989-06-13
4822932 Heat recovery in production of vinyl chloride by pyrolysis of dichloroethane Klaus Haselwarter, Hermann Klaus, Ludwig Schmidhammer, Rudolf Strasser 1989-04-18
4788357 Vinyl chloride production Klaus Haselwarter, Hermann Klaus, Ludwig Schmidhammer, Rudolf Strasser 1988-11-29
4746759 Process for thermal cracking of 1,2-dichloroethane to form vinyl chloride Klaus Haselwarter, Hermann Klaus, Ludwig Schmidhammer, Rudolf Strasser 1988-05-24
4606742 Novel heat recovery process Ludwig Schmidhammer, Peter Hirschmann, Gerhard Stettner 1986-08-19
4584123 Process for upgrading hydrogen chloride containing chlorine, iron-III-chloride, ethylene and/or acetylene Ludwig Schmidhammer, Klaus Haselwarter, Rudolf Strasser 1986-04-22
4540837 Process for the work-up of residues of chlorination Ludwig Schmidhammer, Klaus Haselwarter, Rudolf Strasser 1985-09-10
4528174 Method for preparing hydrogen chloride for the ethyleneoxichlorination process Ludwig Schmidhammer, Rudolf Strasser, Klaus Haselwarter, Hermann Klaus, Eduard Pichl 1985-07-09
4409396 Process for the manufacture of unsaturated carboxylic acid esters Dominik Dempf, Ludwig Schmidhammer, Gunter Roscher, Karl-Heinz Schmidt, Ernst Selbertinger +1 more 1983-10-11
4388278 Purification by hydrogenation of hydrogen chloride containing acetylene obtained by the thermal cracking of 1,2-dichloroethane Ludwig Schmidhammer, Rudolf Straszer 1983-06-14
4326852 Method for increasing the bulk weight of silicon dioxide Gunter Kratel, Peter Niessner, Burkhard Grune, Gunter Stohr 1982-04-27