Issued Patents All Time
Showing 26–50 of 170 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250622 | Polymer combinations with a high rubber content | Holger Lutjens, Karl-Erwin Piejko, Dieter Constant | 1993-10-05 |
| 5248727 | Vinyl chloride polymer based moulding compositions with reduced fogging | Adolf Schmidt, Herbert Eichenauer, Karl-Erwin Piejko, Karl-Heinz Ott | 1993-09-28 |
| 5238977 | Graft polymer dispersions | Karl-Erwin Piejko, Siegfried Korte | 1993-08-24 |
| 5237001 | Thermoplastic compositions of polyurethanes and partly crosslinked alkyl acrylate copolymers | Karl-Erwin Piejko, Ernst Orthmann, Hans-Eberhard Braese | 1993-08-17 |
| 5223475 | Acceptor element for the themosuablimation printing process | Robert Bloodworth, Wolfgang Podszun, Karl-Erwin Piejko, Herman Uytterhoeven | 1993-06-29 |
| 5219643 | Multilayered films | Fritz Schmidt, Hans-Eberhard Braese, Karl-Erwin Piejko | 1993-06-15 |
| 5206287 | Reactive systems and a process for the preparation of modified duroplasts | Hanns P. Muller, Joachim Franke, Horst Gruttmann, Hans Jacob | 1993-04-27 |
| 5194497 | Alloys of thermoplastic polymers containing oxetanyl groups | Karl-Erwin Piejko, Gerd Fengler, Holger Lutjens, Hans-Eberhard Braese, Jurgen Kirsch | 1993-03-16 |
| 5191017 | High-impact thermoplastic polyether sulfone molding compositions | Thomas Eckel, Dieter Wittmann, Karl-Heinz Ott | 1993-03-02 |
| 5187231 | High heat-distortion plastics | Herbert Eichenauer, Holger Lutjens, Hans-Eberhard Braese | 1993-02-16 |
| 5183850 | Graft polymers and their use as flameproofing agents | Herbert Eichenauer | 1993-02-02 |
| 5180781 | Process for the production of alloys of rubbers and aromatic polyesters | Holger Lutjens, Uwe Westeppe, Karl-Erwin Piejko | 1993-01-19 |
| 5179146 | Modified polyisocyanates, a process for their production and their use | Hanns P. Muller, Geza Avar, Christian Weber, Karl-Heinz Dorner, Alexander Karbach +1 more | 1993-01-12 |
| 5171786 | PVC-silicone rubber molding compounds showing toughness at low temperatures | Volker Damrath, Karl-Erwin Piejko, Karl-Heinz Ott | 1992-12-15 |
| 5155168 | Molding compounds containing oxetanyl groups | Holger Lutjens, Dieter Wittmann, Karl-Erwin Piejko, Gerd Fengler | 1992-10-13 |
| 5147955 | Phosphorus containing polymers | Siegfried Korte | 1992-09-15 |
| 5147700 | Molding compositions of low double refraction | Horst Bruggemann, Dieter Freitag, Lothar Meier, Hans-Eberhard Braese | 1992-09-15 |
| 5143973 | Moulding compositions of low double refraction | Horst Bruggemann, Dieter Freitag, Lothar Meier, Hans-Eberhard Braese | 1992-09-01 |
| 5126404 | Polycarbonate molding compositions | Thomas Eckel, Dieter Wittmann, Uwe Westeppe | 1992-06-30 |
| 5122571 | Moulding compounds of polyamides and graft polymers containing tert.-butylacrylate | Uwe Westeppe, Karl-Erwin Piejko, Rolf Muller, Gerd Fengler | 1992-06-16 |
| 5118759 | Polycarbonate moulding compositions, their preparation and their use | Alfred K. Jung, Karl-Erwin Piejko, Werner Nouverte, Ulrich Grigo | 1992-06-02 |
| 5112910 | Mixtures of thermoplastic polymers in powder form | Karl-Erwin Piejko, Ralph Ostarek, Hans-Eberhard Braese, Karl-Heinz Ott | 1992-05-12 |
| 5104935 | Polymer mixture | Edgar Leitz, Karl-Erwin Piejko, Karl-Heinz Ott, Hans-Eberhard Braese | 1992-04-14 |
| 5075380 | Soft, thermo-plastically processible polymer alloys containing polyamide | Lothar Meier, Otto Billinger, Karl-Erwin Piejko | 1991-12-24 |
| 5071921 | Thermoplastic block copolymers based on cyclic carbonates or esters | Herbert Eichenauer, Edgar Leitz, Karl-Heinz Ott, Hans-Josef Buysch, Peter Mues +2 more | 1991-12-10 |