Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887420 | Non-stick coated molds | Thomas Gross, Helmut Steinberger | 2005-05-03 |
| 6509387 | Process for preparing rigid foamed materials containing urethane groups | Karl Werner Dietrich, Norbert Eisen | 2003-01-21 |
| 6346587 | Method for the production of partially fluorinated fluoropolymers | Ralf Kruger, Claus-Dieter Sommerfeld | 2002-02-12 |
| 5962542 | Process for producing hydrocarbon-blown hard polyurethane foams | Karl Werner Dietrich, Norbert Eisen | 1999-10-05 |
| 5223549 | Process for the production of rigid polyurethane foams | Rolf Wiedermann, Wolfgang Schmitz | 1993-06-29 |
| 5084485 | Process for the production of rigid foams containing urethane and predominantly isocyanurate groups and their use as insulating materials | Rolf Wiedermann, Wolfgang Schmitz | 1992-01-28 |
| 5028636 | Liquid polyisocyanate mixtures, a process for their preparation, and their use in the preparation of polyurethane foams | Herbert Gebauer, Pramod Gupta, Rolf Wiedermann | 1991-07-02 |