Issued Patents All Time
Showing 51–75 of 170 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047473 | Flexible polymer mixtures | Karl-Erwin Piejko, Hans-Eberhard Braese, Rolf Kubens, Karl-Heinz Ott | 1991-09-10 |
| 5041485 | Stabilizer dispersions | Herbert Eichenauer, Karl-Erwin Piejko, Adolf Schmidt, Karl-Heinz Ott | 1991-08-20 |
| 5039747 | Mixtures of thermoplastic polymers in powder form | Karl-Erwin Piejko, Otto Koch | 1991-08-13 |
| 5030675 | Flame-resistant thermoplastic moulding compounds based on polycarbonate, polyalkylene terephthalate, graft copolymer, fluorinated polyolefine and phosphorus compound | Dieter Wittmann, Hans-Jurgen Kress, Horst Peters, Josef Buekers | 1991-07-09 |
| 5026803 | Crosslinked triazine polymers and their use as crosslinking agents | Karl-Erwin Piejko | 1991-06-25 |
| 5010138 | Thermoplastic interpolymers and their use in mixtures of polyamide and styrene copolymers and/or graft polymers | Uwe Westeppe, Karl-Erwin Piejko | 1991-04-23 |
| 4997974 | Bisphenol derivatives and polymers thereof | Holger Lutjens, Uwe Westeppe, Karl-Erwin Piejko | 1991-03-05 |
| 4987184 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Volker Damrath, Hans-Jurgen Kress, Horst Peters, Jochen Schoeps | 1991-01-22 |
| 4985486 | Reinforced/filled blends of thermoplastic interpolymers and polyamides and a process for their production | Uwe Westeppe, Karl-Erwin Piejko, Hans-Joachim Laue | 1991-01-15 |
| 4983658 | Thermoplastic moulding compositions with flame-repellent properties | Hans-Jurgen Kress, Heremann Kauth, Horst Peters, Friedemann Muller | 1991-01-08 |
| 4970262 | Process for the production of moulding compositions from thermoplastic polyamide and graft rubber, and corresponding moulding compositions | Uwe Westeppe, Ludwig Trabert, Rudolf Binsack, Dieter Wittmann, Josef Merten | 1990-11-13 |
| 4968750 | Block copolymers containing polysiloxane segments | Herbert Eichenauer, Karl-Heinz Ott | 1990-11-06 |
| 4963619 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Volker Damrath, Hans-Jurgen Kress, Horst Peters, Jochen Schoeps | 1990-10-16 |
| 4960864 | Process for recovering thermoplastic polymers from dispersion | Claus Wulff, Karl-Heinz Ott | 1990-10-02 |
| 4959418 | Polymers in particle form with improved properties, for the preparation of thermoplastic moulding materials | Karl-Heinz Ott, Dieter Wittmann, Hans-Eberhard Braese | 1990-09-25 |
| 4959410 | Polymer mixtures having high tensile strength and good tear propagation resistance | Herbert Eichenauer, Edgar Leitz, Karl-Heinz Ott, Lothar Meier, Otto Billinger | 1990-09-25 |
| 4948837 | Mixtures of polycarbonates with siloxane-containing graft polymers | Dieter Wittmann, Volker Damrath, Hans-Jurgen Kress, Horst Peters, Jochen Schoeps | 1990-08-14 |
| 4945124 | Impact resistant polyamide moulding compounds modified with silicone graft rubbers | Uwe Westeppe, Karl-Erwin Piejko, Josef Merten | 1990-07-31 |
| 4940755 | Thermoplastic moulding compositions based on polyvinyl chloride and a poly-.alpha.-olefine/polyurethane block copolymer | Lothar Meier, Maria Gartner, Kurt P. Meurer, Joachim Franke | 1990-07-10 |
| 4940747 | Moulding materials, based on vinyl chloride polymers, with improved processability | Herbert Eichenauer, Karl-Heinz Ott, Hans-Eberhard Braese | 1990-07-10 |
| 4937285 | Use of redox graft polymers to improve the petroleum-resistance of thermoplastic, aromatic polycarbonate and/or polyester carbonate moulding compositions | Dieter Wittmann, Jochen Schoeps, Hans-Jurgen Kress | 1990-06-26 |
| 4929674 | Mixtures of thermoplastic poly(ester) carbonates with thermoplastic polyurethanes | Werner Nouvertne, Franz-Josef Gielen, Peter Tacke, Ulrich Grigo, Bernd Quiring | 1990-05-29 |
| 4925891 | High impact strength flame-retardant polycarbonate moulding compositions | Hans-Jurgen Kress, Friedemann Muller, Horst Peters, Dieter Wittmann, Josef Buekers | 1990-05-15 |
| 4923923 | Powder compositions based on polyarylene sulphides | Klaus Struss, Karl-Erwin Piejko, Hans-Jurgen Kress, Dieter Wittmann | 1990-05-08 |
| 4920178 | Seeded emulsion polymerization of .alpha.-methylstyrene and acrylonitrile | Karl Zabrocki, Otto Koch, Hans-Eberhard Braese | 1990-04-24 |