Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300269 | Catalytic decomposition of dinitrogen monoxide which is pure or present in gas mixtures | Heinrich Aichinger, Karl-Heinz Boehning, Klaus Herzog, Hermann Wistuba, Gert Buerger +1 more | 1994-04-05 |
| 5225574 | Preparation of phthalic anhydride from o-xylene | Heinrich Aichinger, Wilhelm Ruppel, Rolf Seubert, Karl-Heinz Boehning, Walter Scheidmeir +1 more | 1993-07-06 |
| 5221767 | Compositions of the formula Mo.sub.12 P.sub.a V.sub.b X.sup.1 c X.sup.2 d X.sup.3 e Sb.sub.f Re.sub.g S.sub.h O.sub.n | Karl-Heinz Boehning, Gerd Duembgen, Ulrich Hammon, Richard Krabetz, Franz Merger +2 more | 1993-06-22 |
| 5189182 | Preparation of 5-methylbutyrolactone | Rudolf Kummer, Heinz-Walter Schneider, Werner Bertleff, Rolf Fischer, Uwe Vagt +2 more | 1993-02-23 |
| 5173468 | Compositions of the formula MO.sub.12 P.sub.a V.sub.b X.sup.1.sub.c X.sup.2.sub.d X.sup.3.sub.e Sb.sub.f Re.sub.g S.sub.h O.sub.n | Karl-Heinz Boehning, Gerd Duembgen, Ulrich Hammon, Richard Krabetz, Franz Merger +2 more | 1992-12-22 |
| 5077438 | Process for the preparation of acrolein | Werner Steck, Kurt Weinacht, Franz Merger | 1991-12-31 |
| 5015785 | Preparation of mixtures of isomeric cresols with a molar ratio of para- to meta-cresol of at least 0.6:1 to 10:1 | Werner Steck, Helmut Lermer, Toni Dockner | 1991-05-14 |
| 5011809 | Preparation of a silver catalyst | Klaus Herzog, Karl-Heinz Boehning, Heinrich Aichinger, Juergen Plueckhan, Wolf D. Mross | 1991-04-30 |
| 4929733 | Preparation of N-heterocycles | Michael Hesse, Wolfgang Hoelderich | 1990-05-29 |
| 4922025 | Preparation of organophosphorus compounds | Wolfgang Hoelderich, Michael Hesse | 1990-05-01 |
| 4916103 | Preparation of a catalytically active composition for the gas phase oxidation of propylene to acrolein and acrylic acid | Hans Martan, Karl-Heinz Boehning, Heinz Dreyer | 1990-04-10 |
| 4914241 | Preparation of diamines | Michael Hesse, Wolfgang Hoelderich | 1990-04-03 |
| 4904812 | Preparation of unsaturated nitriles | Wolfgang Hoelderich | 1990-02-27 |
| 4904806 | Preparation of tetrahydrofurans from butane-1,4-diols | Wolfgang Hoelderich | 1990-02-27 |
| 4829043 | Silver catalyst and a process for its preparation | Karl-Heinz Boehning, Wolf D. Mross, Hans-Juergen Becker, Juergen Plueckhan, Klaus-Christian Renner | 1989-05-09 |
| 4822920 | Preparation of cyclopentanone | Helmut Lermer, Wolfgang Hoelderich | 1989-04-18 |
| 4786402 | Preparation of medicinal white oils and medicinal paraffins | Thomas Anstock, Walter Himmel, Heinz Dreyer, Ulrich Lebert, Ansgar Eisenbeis | 1988-11-22 |
| 4753914 | Molded supported catalyst | Hans-Dieter Eichhorn, Wolf D. Mross, Helmut Schachner | 1988-06-28 |
| 4740493 | Silver catalyst and its preparation | Karl-Heinz Boehning, Wolf D. Mross, Hans-Juergen Becker, Juergen Plueckhan, Klaus-Christian Renner | 1988-04-26 |
| 4656157 | Molded catalyst for reactions carried out under heterogeneous catalysis | Friedbert Hofmann, Richard Krabetz | 1987-04-07 |
| 4616098 | Preparation of olefins from methanol/dimethyl ether | Wolfgang Hoelderich, Walter Himmel, Wolf D. Mross | 1986-10-07 |
| 4554142 | Process for the preparation of borosilicate zeolites | Wolfgang Hoelderich, Wolf D. Mross | 1985-11-19 |
| 4551321 | Preparation of zeolites | Laszlo Marosi, Hans-Ulrich Schlimper, Joachim Stabenow | 1985-11-05 |
| 4530910 | Regeneration of the Al.sub.2 O.sub.3 carrier material of a spent Ag/Al.sub.2 O.sub.3 supported catalysts | Wolf D. Mross, Juergen Plueckham, Juergen Dehler | 1985-07-23 |
| 4529714 | Process for regenerating silver-containing carrier catalysts for the preparation of ethylene oxide | Wolf D. Mross, Juergen Plueckhan, Juergen Dehler | 1985-07-16 |