Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211701 | Preparation of trimethylolpropane | Dirk Müller, Paul Wagner, Brian Schwegler, Ulrich Notheis, Ralph Armbrust +1 more | 2007-05-01 |
| 5286809 | Thermoplastic moulding compounds | Burkhard Kohler | 1994-02-15 |
| 5264479 | Lactam melts having increased viscosity and their use | Friedrich Fahnler | 1993-11-23 |
| 5250619 | Process for the preparation of high molecular weight polyamides | Helmut Schulte, Hans-Josef Buysch | 1993-10-05 |
| 5247030 | Acid modified polyarylene sulphide | Burkhard Kohler, Klaus Reinking | 1993-09-21 |
| 5240988 | Mixtures of polyarylene sulfides, crosslinking agents containing nitro groups and glass fibers | Burkhard Kohler | 1993-08-31 |
| 5219908 | PAS with reduced flash formation and good mechanical properties | Burkhard Kohler, Bahman Sarabi, Sabine Dorf, Friedrich Jonas | 1993-06-15 |
| 5151458 | Highly fluid polyarylene sulphide moulding compounds | Harald Pielartzik, Klaus Reinking, Rolf-Volker Meyer, Siegfried Korte | 1992-09-29 |
| 5149728 | Blends of polyarylene sulfides, phenolic resin nitroarylates, glass fibers and optionally other fillers | Burkhard Kohler, Klaus Reinking | 1992-09-22 |
| 5143956 | Free-flowing polyamide molding compounds | Harald Pielartzik, Rolf Dhein, Aziz E. Sayed | 1992-09-01 |
| 5141976 | Mixtures of polyarylene sulphides, nitroarylmethylidene ketones, glass fibers and optionally other fillers | Burkhard Kohler, Wolfgang Russeler, Joachim Doring | 1992-08-25 |
| 5128401 | Polyamide molding compounds | Aziz El-Sayed, Werner Kloker, Ralf Dujardin | 1992-07-07 |
| 5128400 | Polyamide molding compounds containing bisphenols of high glass temperature | Aziz E. Sayed, Ralf Dujardin, Rolf Dhein | 1992-07-07 |
| 5126429 | Flexible polyamide from dimer acid and bis-secondary diamine | Burkhard Kohler, Heinrich Schrage | 1992-06-30 |
| 5115050 | Polyamide moulding compositions containing finely divided polyarylene sulphides | Werner Nielinger, Karsten-Josef Idel, Uwe Westeppe, Dieter Freitag, Claus Wulff | 1992-05-19 |
| 5102935 | Free-flowing polyamide molding compounds and blends | Harald Pielartzik, Aziz El-Sayed, Rolf-Volker Meyer, Martin Wandel, Peter-Roger Nyssen | 1992-04-07 |
| 5102929 | Mixtures of polyarylene sulphides, glass fibres and heterocyclic nitroaryloxy compounds | Burkhard Kohler, Walter Uerdingen, Klaus Kraft, Wolfgang Wehnert | 1992-04-07 |
| 5093397 | Mixtures of polyarylene sulphides, nitroarylketo compounds, electron rich aromatic compounds, glass fibres and optionally other fillers | Burkhard Kohler, Joachim Doring, Wolfgang Russeler | 1992-03-03 |
| 5086129 | Polyarylene sulphide modified with aryl sulfonic acid containing amino or hydroxyl group | Burkhard Kohler, Klaus Reinking | 1992-02-04 |
| 5086128 | High molecular weight arylene sulphide polymer melt mixed with aromatic nitro compound | Burkhard Kohler, Rolf-Volker Meyer, Klaus Reinking, Alexa Sommer | 1992-02-04 |
| 5071905 | Mixtures of polyarylene sulfides, glass fibers and silanes containing nitro groups | Burkhard Kohler, Hans-Joachim Traenckner, William C. Bushong | 1991-12-10 |
| 5071896 | Polyamide moulding compounds with improved processibility | Joachim Doring, Walter Schmitt, Harald Pielartzik | 1991-12-10 |
| 5068311 | High molecular weight (co)polyamide from diamino-alcohol | Klaus Horn, Peter Muller, Ralf Dujardin | 1991-11-26 |
| 5049651 | Process for the preparation of branched (co)polyamides by solid phase post-condensation, and corresponding (co)-polyamides | Rolf-Volker Meyer | 1991-09-17 |
| 5028689 | Branched (co)polyamide by polycondensation in the presence of lysine component polycarboxylic acid mixture | Rolf-Volker Meyer | 1991-07-02 |