Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960699 | Method for the hydroformylation of olefins | Walter Totsch, Alfred Kaizik, Martin Trocha | 2005-11-01 |
| 5767231 | Method of producing non-vitrified processing aid low in residual monomers for thermoplastic polymers | Volker Schull | 1998-06-16 |
| 5693709 | Polyoxymethylene with improved acid stability, process for production and use thereof | Edwin Nun, Stephanie Schauhoff | 1997-12-02 |
| 5541284 | Method for processing crude polyoxymethylene | Udo Gropp, Edwin Nun | 1996-07-30 |
| 5494488 | Detergent composition and method of use with surfactant, silicate, and polycarboxylate | Wolfgang Leonhardt, Beata-Maria Lortz, Maurizio Ragnetti | 1996-02-27 |
| 5476902 | Processing agent having a C.sub.8 -C.sub.22 component | Volker Schull | 1995-12-19 |
| 5393813 | Polyoxymethylene having improved acid stability | Stephanie Schauhoff, Edwin Nun | 1995-02-28 |
| 5218041 | Polyoxymethylene molding materials having improved thermal stability and reduced formaldehyde emission | Edwin Nun | 1993-06-08 |
| 4222956 | Process for the production of cyanocarboxylic acids | Axel Kleemann, Peter Schalke | 1980-09-16 |