Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657040 | Method for the continuous production of polybutylene terephthalate from terephthal acid and butane diole | Thomas Heitz, Ralf Neuhaus | 2003-12-02 |
| 6620964 | Preparation of dihydroxycarboxylic esters in the absence of solvents | Markus Niebel, Melanie Erhardt | 2003-09-16 |
| 6538054 | Flame-proof moulding compounds | Brigitte Gareiss, Motonori Yamamoto, Herbert Fisch, Michael Nam, Thomas Heitz +1 more | 2003-03-25 |
| 6503969 | Flame-retardant polyester molding compositions containing flame retardant nitrogen compounds and diphosphinates | Bernd Leutner, Michael Nam, Herbert Fisch | 2003-01-07 |