Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852893 | Method for oxidizing hydrocarbons | Mark Duda, Carsten Jost, Guido Fries, Jochen Kirchhoff, Thomas Schiffer +3 more | 2005-02-08 |
| 6720462 | Method for producing aromatic alcohols, especially phenol | Mark Duda, Uwe Tanger, Roger Sheldon, Sasidharan Manickam, Isabella Wilhelmina Christina Everdina Arends | 2004-04-13 |
| 5412029 | Protective material capable of application in molten form | Rainer Elm, Helmut Kehr, Matthias Schleinzer | 1995-05-02 |
| 5241014 | Process for the production of largely amorphous polyalphaolefins with a narrow molecular weight distribution | Helmut Kehr, Heinrich Leppek, Matthias Schleinzer | 1993-08-31 |
| 5189069 | Process for controlling the particle size in the preparation of expandable styrene polymers by suspension polymerization | Hans-Dieter Speikamp, Jurgen Bretschneider | 1993-02-23 |
| 5185398 | Hot melt adhesive and coating composition | Helmut Kehr, Matthias Schleinzer | 1993-02-09 |
| 4661163 | Lubricant for processing of plastics | Fritz Berke, Helmut Kehr | 1987-04-28 |