Issued Patents All Time
Showing 176–183 of 183 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639880 | Preparation of amine oxides | Klemens Massonne, Karsten Eller, Michael Schulz | 1997-06-17 |
| 5614166 | Crystalline solids having the RUB-13 structure | Hermann Gies, Silke Vortmann, Bernd Marler, Uwe Dingerdissen | 1997-03-25 |
| 5494942 | Process for preparing a rigid polyurethane foam and laminate articles therewith | Andreas Ottens, Peter Keller | 1996-02-27 |
| 5358086 | Friction lining | Norbert Schulz | 1994-10-25 |
| 5089534 | Process for preparing flexible polyurethane foam | Johan A. Thoen, Robert A. Sewell | 1992-02-18 |
| 4625517 | Thermoacoustic device | — | 1986-12-02 |
| 4459757 | Adjustable caliber rod | Werner Lippuner | 1984-07-17 |
| 4225404 | Perfluoroolefin and perfluoroparaffin mixture and process for making same | Peter Dietrich, Gunter Engler, Armin Ferse, Harald Grimm, Udo Gross +4 more | 1980-09-30 |