WS

Wolfgang Siegel

Basf Se: 112 patents #33 of 13,826Top 1%
SA Symrise Ag: 4 patents #59 of 439Top 15%
WG Waeschle Maschinenfabrik Gmbh: 3 patents #7 of 33Top 25%
TA Takata-Petri Ag: 2 patents #66 of 249Top 30%
RH Ruprecht - Karls - Universität Heidelberg: 1 patents #82 of 222Top 40%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
JG Joyson Safety Systems Germany Gmbh: 1 patents #19 of 85Top 25%
TG Takata-Petri (Ulm) Gmbh: 1 patents #16 of 52Top 35%
Overall (All Time): #9,759 of 4,157,543Top 1%
121
Patents All Time

Issued Patents All Time

Showing 101–121 of 121 patents

Patent #TitleCo-InventorsDate
6022988 Preparation of 3-cyano-3, 5, 5-trimethylcyclohexanone Jakob Fischer, Volker Bomm, Martin Fischer, Klaus Mundinger 2000-02-08
6013803 Sterically hindered 4-amino-piperidine with a low dimer content, its production and use Manfred Julius, Harald Rust, Alfred Krause, Hardo Siegel, Tom Witzel 2000-01-11
6011157 Process for purifying sterically hindered 4-amino piperidines Manfred Julius, Harald Rust, Alfred Krause, Hardo Siegel, Tom Witzel 2000-01-04
5998680 Isomerization of allyl alcohols Matthias Kiefer, Jörg Therre, Melanie Pahl, Werner Aquila, Ulrich Schafer-Luderssen +1 more 1999-12-07
5892092 Preparation of aliphatic, unsaturated nitriles Andreas Kramer, Michael Henningsen, Georg Heinrich Grosch 1999-04-06
5801272 Preparation of mixtures of (R)- and (S)-2-(4-alkanoylphenoxy)- or (R)- and (S)-2-(4-aroylphenoxy)propionic esters Hubert Sauter, Gerhard Schaefer 1998-09-01
5770412 Azido-caprolactam as inhibitor for selecting microorganisms with high lysine productivity Wolfgang Ladner, Uwe Pressler 1998-06-23
5710341 Preparation of .alpha.-chloroalkyl aryl ketones Walter Dobler, Michael Sasha John 1998-01-20
5556884 Substituted oxime ethers, their preparation and their use for controlling pests and fungi Klaus Oberdorf, Hubert Sauter, Wassilios Grammenos, Reinhard Kirstgen, Volker Harries +4 more 1996-09-17
5489694 Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid Joachim Paust, Peter Eckes, Friedhelm Balkenhohl, Walter Dobler, Michael Hullmann 1996-02-06
5430172 Preparation of 4-alkanoylaryl benzyl ethers Wassilios Grammenos, Klaus Oberdorf, Bernd Mueller, Hubert Sauter, Reinhard Doetzer 1995-07-04
5410060 Process for preparation of arenebisphosphine oxides Jochen Schroeder, Matthias Lokai 1995-04-25
5395975 Preparation of polyacylated aromatric compounds Jochen Schroeder 1995-03-07
5380920 Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid Joachim Paust, Peter Eckes, Friedhelm Balkenhohl, Walter Dobler, Michael Hullmann 1995-01-10
5358968 Substituted oxime ethers, their preparation and their use for controlling pests and fungi Klaus Oberdorf, Hubert Sauter, Wassilios Grammenos, Reinhard Kirstgen, Volker Harries +4 more 1994-10-25
5347047 Preparation of acylaromatic compounds Irene Troetsch-Schaller 1994-09-13
5296636 Preparation of 2,4,6-trimethylbenzoic acid Rudolf Kropp, Jochen Schroeder 1994-03-22
5294731 Preparation of .beta.-hydroxycarboxylates Joachim Paust 1994-03-15
4823993 Bucket wheel gate for dispensing granulated bulk material Reinhold Eck, Dieter Heep, Paul Vogel 1989-04-25
4478517 Process and gravity feed mixer for mixing bulk materials in a container Hans Hoppe, Helmut Bercx 1984-10-23
4412748 Gravity circulation mixer Norbert Wohnhas 1983-11-01