Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7671104 | Fine cell, water-blown rigid polyurethane foams | Torsten Heinemann | 2010-03-02 |
| 6472449 | Compressed, rigid polyurethane foams | Torsten Heinemann, Karl Werner Dietrich | 2002-10-29 |
| 6316513 | Process for the producing of hard polyurethane foams with low heat conductivity | Dennis McCullough, Torsten Heinemann, Norbert Eisen | 2001-11-13 |
| 6306920 | Method for producing closed-cell rigid polyurethane foams having low thermal conductivity | Torsten Heinemann, Werner Dietrich | 2001-10-23 |
| 6107359 | Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams | Karl Werner Dietrich, Manfred Dietrich, Wilhelm Lamberts | 2000-08-22 |
| 6071978 | Method of producing hydrocarbon-expanded rigid polyurethane foams | Norbert Eisen, Torsten Heinemann, Dennis McCullough | 2000-06-06 |
| 5840781 | Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams | Karl Werner Dietrich, Manfred Dietrich, Wilhelm Lamberts | 1998-11-24 |
| 5736588 | Process for preparing rigid polyurethane foams | Norbert Eisen, Frank Otto, James A. Thompson-Colón | 1998-04-07 |
| 4857560 | Reaction products useful as catalysts in the production of isocyanate-based plastics | Manfred Schmidt, Claus-Dieter Sommerfeld, Christoph Prolingheuer | 1989-08-15 |