Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5166120 | Cylindrically formed catalyst for the oxychlorination of ethylene | Helmfried Krause, Ludwig Schmidhammer, Willibald Dafinger | 1992-11-24 |
| 5132452 | Method for preparation of gluconic acid by catalytic oxidation of glucose | Helmfried Krause, Erik Peldszus, Bertrand Despeyroux | 1992-07-21 |
| 5108717 | Apparatus for the catalytic conversion of waste gases | Hans Moesinger, Herbert Mueller, Josef Riedel, Wenzel Kuehn, Rudolf Spielmannleitner | 1992-04-28 |
| 5099085 | Chlorination reactions and oxychlorination reactions in the presence of honeycomb monolithic catalyst supports | Rudolf Strasser, Ludwig Schmidhammer, Helmfried Krause | 1992-03-24 |
| 5086031 | Pressed parts based on pyrogenically produced silicon dioxide, method of their production and their use | Martin Forster, Helmfried Krause | 1992-02-04 |
| 5021378 | Molded articles based on pyrogenically prepared silicon dioxide, process for their production and their use | Reinhard Klingel, Helmfried Krause | 1991-06-04 |
| 5015615 | Molded articles based on pyrogenically prepared aluminum oxide and process for their production | Rainhard Klingel, Helmfried Krause | 1991-05-14 |
| 5004719 | Molded articles based on pyrogenically produced zirconium dioxide method for their manufacture, and use thereof | Manfred Ettlinger, Rainhard Klingel, Helmfried Krause | 1991-04-02 |
| 5002917 | Molded articles based on pyrogenically produced titanium dioxide method for their manufacturing and uses | Rainhard Klingel, Helmfried Krause | 1991-03-26 |
| 5002918 | Molded articles based on pyrogenically produced mixed-oxide systems of silicon dioxide and aluminum oxide, a method for manufacturing them and their use | Rainhard Klingel, Helmfried Krause, Klaus Bauer | 1991-03-26 |
| 4983366 | Method for the catalytic conversion of waste gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide | Hans Moesinger, Herbert Mueller, Josef Riedel, Wenzel Kuehn, Rudolf Spielmannleitner | 1991-01-08 |
| 4935218 | Catalyst for the production of hydrocarbons and process for their production | Michael Baacke, Peter Kleinschmit, Edgar Koberstein | 1990-06-19 |
| 4861937 | Catalysts for converting alcohols and/or aliphatic ether to unsaturated hydrocarbons and process for their production | Michael Baacke, Peter Kleinschmit, Edgar Koberstein | 1989-08-29 |
| 4751298 | Production of 1-(3-hydroxy-propyl)-1,4-diazepane and 1,4-bis(3,4,5-trimethoxy-benzoyloxy)-propyl-diazepane derivatives thereof | Axel Kleemann, Bernd Lehmann | 1988-06-14 |
| 4563480 | Catalyst for the production of hydrocarbons and process for their production | Michael Baacke, Peter Kleinschmit, Edgar Koberstein | 1986-01-07 |
| 4486600 | Process for the production of .beta.-hydroxy-.alpha.-aminocarboxylic acids | Axel Kleemann, Bernd Lehmann | 1984-12-04 |
| 4482760 | Process for the production of 1,2-diols | Axel Kleemann, Karlheinz Drauz, Bernd Lehmann | 1984-11-13 |
| 4376215 | Process for the production of 4-aminobutyramide hydrochloride | Axel Kleemann, Jurgen Martens, Horst Weigel | 1983-03-08 |