DA

Dietrich Arntz

DA Degussa Ag: 43 patents #8 of 2,007Top 1%
DA Degussa-Huels Ag: 5 patents #25 of 473Top 6%
EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Hanau, AL: #1 of 2 inventorsTop 50%
Overall (All Time): #53,095 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDate
6534028 Process for performing endothermic catalytic reactions Lukas von Hippel, Bernd Kuttruf, Brigitta Walter 2003-03-18
6294138 Reactor for performing endothermic catalytic reactions Lukas von Hippel, Bernd Kuttruf, Brigitta Walter 2001-09-25
6232511 Process for the production of 1,3-propanediol by hydrogenating 3-hydroxypropionaldehyde Thomas Haas, Dahai Yu, Jorg Sauer, Andreas Freund, Thomas Tacke 2001-05-15
6140543 Process for the production of 1,3-propanediol Christoph Brossmer 2000-10-31
6121499 Process for producing polyhydroxy ethers and unsymmetrical polyhydroxy ethers obtainable with the process Marcus Morawietz, Mathias Hopp 2000-09-19
6071844 Method of producing .epsilon.-Caprolactam, MFI zeolite catalysts on whose surface symmetrically arranged OH groups are present and to a method of producing them Wolfgang Hoelderich, Joerg Roeseller 2000-06-06
6056932 Reactor for performing endothermic catalytic reactions Lukas von Hippel, Bernd Kuttruf, Brigitta Walter 2000-05-02
6051706 Method of producing .epsilon.-caprolactam Wolfgang Holderich, Georg Philip Heitmann 2000-04-18
6048512 Process for preparing catalytically active coatings for the synthesis of hydrogen cyanide Lukas von Hippel, Christian Bussek, Jorg Sauer, Manfred Sauer 2000-04-11
5980838 Reactor head for a monolithic co-current or countercurrent reactor Lukas von Hippel, Jorg Frauhammer, Gerhart Eigenberger, Gerhard Friedrich 1999-11-09
5977011 Catalyst, process for its preparation, and use for synthesis of methyl mercaptan Joerg Sauer, Lukas von Hippel, Wolfgang Boeck 1999-11-02
5961945 Method of producing cyano compounds by ammoxidation Lukas von Hippel, Jorg Sauer, Rudiger Schutte, Manfred Sauer 1999-10-05
5962745 Process for preparing 3-hydroxyalkanals Christoph Brossmer 1999-10-05
5928984 Process for preparing catalytically active coatings for the synthesis of hydrogen cyanide Lukas von Hippel, Christian Bussek, Joerg Sauer, Manfred Sauer 1999-07-27
5892049 Catalyst for the production of cyanopyridines Lukas V. Hippel, Armin Neher 1999-04-06
5892129 Process for the preparation of 1,1,3-trialkoxypropane Mathias Hoepp, Hans-Peter Ohlinger, Willi Hofen 1999-04-06
5886230 Process for continuous production of methyl mercaptan Willi Hofen, Wolfgang Boeck, Stephan Rautenberg, Joerg Sauer, Ralf Goedecke +2 more 1999-03-23
5866721 Process for separating the product gas mixture from the catalytic synthesis of methyl mercaptan Willi Hofen, Wolfgang Boeck, Stephan Rautenberg, Joerg Sauer, Ralf Goedecke +2 more 1999-02-02
5852219 Catalyst, process for its preparation, and use for synthesis of methyl mercaptan Joerg Sauer, Wolfgang Boeck, Lukas von Hippel, Werner Burkhardt, Stephan Rautenberg +1 more 1998-12-22
5852217 Process for the production of primary and/or secondary amines from oxo compounds Thomas Haas, Karl-Ludwig Weber, Willi Hofen, Stefan Wieland 1998-12-22
5831121 Process for the production of 3-hydroxy propionic acid or a salt thereof Thomas Haas, Martin Meier, Christoph Brossmer, Andreas Freund 1998-11-03
5817870 Process for the production of malonic acid or a salt thereof Thomas Haas, Martin Meier, Christoph Brossmer, Andreas Freund 1998-10-06
5785942 Process for the production of hydrocyanic acid Lukas V. Hippel, Christian Bussek 1998-07-28
5741904 Method of producing .epsilon.-caprolactam, MFI zeolite catalysts on whose surface symmetrically arranged OH groups are present and to a method of producing them Wolfgang Hoelderich, Joerg Roeseller 1998-04-21
5705706 Process for the production of 2-(alkoxymethyl)acrolein Mathias Hoepp, Klaus Koehler 1998-01-06