TW

Tom Witzel

Basf Se: 47 patents #160 of 13,826Top 2%
📍 Ludwigshafen, DE: #38 of 1,722 inventorsTop 3%
Overall (All Time): #61,253 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
5565583 Preparation of 2-substituted but-2-ene-1, 4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals J urgen Frank, Johann-Peter Melder, Franz Merger 1996-10-15
5557011 Preparation of diamines Eberhard Fuchs 1996-09-17
5554787 2,2-dialkylpentane 1,5-diisocyanates, 2,2-dialkylpentane 1,5-diurethanes and 2,2-dialkylpentane 1,5-dicarbamoyl chlorides, and their preparation and use Franz Merger, Andreas Otterbach, Hans Renz 1996-09-10
5536691 Cobalt catalysts and a process required for their preparation Boris Breitscheidel, Peter Polanek, Matthias Irgang, Hermann Petersen, Gerd Linden +1 more 1996-07-16
5527946 Preparation of aliphatic alpha, omega-aminonitriles Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Wolfgang Harder +2 more 1996-06-18
5516928 Preparaion of 3.cyano-3,5,5-trimethylcyclohexanone Klaus Mundinger, Gerhard Laqua, Franz Merger 1996-05-14
5502185 Preparation of lactams Eberhard Fuchs 1996-03-26
5495014 Preparation of caprolactam Eberhard Fuchs 1996-02-27
5489663 Preparation of polyisocyanates containing isocyanurate groups and use thereof Peter Brandt, Bernd Bruchmann, Gerhard Laqua, Franz Merger, Andreas Otterbach +3 more 1996-02-06
5481037 Decontamination of tertiary amines from primary and secondary amines Eberhard Fuchs, Klaus Stadler 1996-01-02
5463130 Preparation of peralkylated amines Eberhard Fuchs, Horst Zimmermann 1995-10-31
5434291 Preparation of aminopropionitriles Rudolf Kummer, Franz Merger, Guido Voit, Martin Brudermueller, Claus-Ulrich Priester +1 more 1995-07-18
5371292 Preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine Franz Merger, Claus-Ulrich Priester, Gerhard Koppenhoefer, Wolfgang Harder 1994-12-06
5347033 Preparation of 5-cyanovaleramide Eberhard Fuchs, Franz Merger 1994-09-13
5344983 Selective preparation of linear pentane-1,5-diamines in increased yields Eberhard Fuchs, Franz Merger, Claus-Ulrich Priester 1994-09-06
5334745 Preparation of 3-aminopropionitriles Martin Brudermueller, Franz Merger 1994-08-02
5239120 Preparation of 2-(3-aminopropyl)-cycloalkylamines Franz Merger, Claus-Ulrich Priester, Gerhard Koppenhoefer, Wolfgang Harder, Helmut Lermer +1 more 1993-08-24
5202465 Preparation of 2-methylenepropane-1,3-diol dicarboxylates Franz Merger, Martin Brudermueller 1993-04-13
5166443 Preparation of 2,2-disubstituted pentane-1,5-diamines Franz Merger, Claus-Ulrich Priester, Gerhard Koppenhoefer, Ludwig Schuster 1992-11-24
5166447 Preparation of cyclopentanones Franz Merger 1992-11-24
5118864 Preparation of cyclopentenones Franz Merger, Hans Horler, Helmut Lermer 1992-06-02
4999453 Preparation of olefinically unsaturated carboxylic esters having a terminal ester group Franz Merger, Hans Horler, Wolfgang Hoelderich 1991-03-12