Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919887 | Decoloration of polyisocyanates containing isocyanurate and diretdione groups | Hermann Graf, Stefan Wolff, Ludwig Schuster, Serge Wack, Richard Hardt | 1999-07-06 |
| 4806638 | Neutralization of reaction mixtures obtained by Beckman rearrangement of cyclohexanone oxime | Uwe Brand, Ruediger Schmitz, Hugo Fuchs | 1989-02-21 |
| 4804473 | Removal of water-immiscible solvents from offgases containing same | Uwe Brand, Emile DeDecker, Hugo Fuchs, Klaus Kartte, Gerald Neubauer +1 more | 1989-02-14 |
| 4350630 | Continuous extraction of caprolactam from an aqueous solution containing caprolactam and its oligomers | Hugo Fuchs, Uwe Brand, Elmar Frommer | 1982-09-21 |