Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593193 | Nitrile rubbers having low emission values | Sven Brandau, Andreas Kaiser, Hans Magg | 2017-03-14 |
| 9279028 | Nitrile rubbers having low emission values | Sven Brandau, Andreas Kaiser, Hans Magg | 2016-03-08 |
| 9023914 | Nitrile rubbers and production thereof in organic solvents | Michael Klimpel, Sven Brandau, Christopher Barner-Kowollik, Andreas Kaiser | 2015-05-05 |
| 6307003 | Compostable adhesive | Ernst Grigat, Karsten-Josef Idel, Wolfgang Schulz-Schlitte, Winfried Pommeranz, Jurgen Lorcks +1 more | 2001-10-23 |
| 5668204 | Stabilization of polycarbonates having high heat distortion temperatures | Helmut-Martin Meier, Rolf Dhein, Dieter Freitag, Dieter Constant | 1997-09-16 |
| 5340876 | Thermoplastic moulding compounds of polyamides and resin copolymers | Klaus Struss, Christian Lindner, Karsten-Josef Idel, Hans-Joachim Laue | 1994-08-23 |
| 5310793 | Mixtures of polyalkylene terephthalates, new polycarbonates and/or polyester-carbonates and elastomers | Dieter Freitag, Karsten-Josef Idel, Gerd Fengler, Ulrich Grigo, Jurgen Kirsch | 1994-05-10 |
| 5276213 | Special dihydroxydiphenyl bicycloalkanes, their production and their use for the production of high molecular weight polycarbonates | Volker Serini, Gerd Fengler, Manfred Hajek, Carl Casser, Helmut Waldmann | 1994-01-04 |
| 5250621 | Interpolymers of aromatic polyesters and rubbers | Holger Lutjens, Leo Morbitzer, Karl-Erwin Piejko, Christian Lindner | 1993-10-05 |
| 5227458 | Polycarbonate from dihydroxydiphenyl cycloalkane | Dieter Freitag, Claus Wulff, Karl-Herbert Fritsch, Carl Casser, Gunther Weymans +2 more | 1993-07-13 |
| 5212280 | Polycarbonate from special dihydroxydiphenyl bicycloalkane | Volker Serini, Gerd Fengler, Manfred Hajek, Carl Casser, Helmut Waldmann | 1993-05-18 |
| 5210328 | Process for the preparation of substituted cycloalkylidene bisphenols | Dieter Freitag, Claus Wulff, Alfred Eitel, Helmut Waldmann, Manfred Hajek +3 more | 1993-05-11 |
| 5194467 | Stabilization of highly heat distortion resistant polycarbonates | Helmut-Martin Meier, Rolf Dhein, Dieter Freitag, Martin Wandel, Axel Sandquist | 1993-03-16 |
| 5180781 | Process for the production of alloys of rubbers and aromatic polyesters | Holger Lutjens, Karl-Erwin Piejko, Christian Lindner | 1993-01-19 |
| 5162411 | Carbonates, their production and their use as flow aids | Gerhard Fennhoff, Werner Nouvertne, Karsten-Josef Idel, Edgar Leitz, Ulrich Grigo | 1992-11-10 |
| 5145911 | Polycarbonate molding composition | Thomas Eckel, Dieter Freitag, Dieter Wittmann | 1992-09-08 |
| 5137970 | Polycarbonate/ABS compositions of high heat resistance | Thomas Eckel, Dieter Wittmann, Dieter Freitag, Karl-Heinz Ott | 1992-08-11 |
| 5134195 | Ternary thermoplastic mixtures | Peter Tacke, Werner Nouvertne, Franz-Josef Gielen, Dieter Freitag, Ulrich Grigo | 1992-07-28 |
| 5132154 | Polycarbonate mixtures in optical applications | Gunther Weymans, Dieter Freitag, Karsten-Josef Idel | 1992-07-21 |
| 5128437 | Polycarbonate from bi(tetrahydrofuran)di phenol | Hans-Josef Buysch, Ulrich Grigo, Klaus Berg | 1992-07-07 |
| 5126404 | Polycarbonate molding compositions | Thomas Eckel, Dieter Wittmann, Christian Lindner | 1992-06-30 |
| 5126428 | Polycarbonate from dihydroxy diphenyl cycloalkane | Dieter Freitag, Claus Wulff, Karl-Herbert Fritsch, Carl Casser, Gunther Weymans +2 more | 1992-06-30 |
| 5122571 | Moulding compounds of polyamides and graft polymers containing tert.-butylacrylate | Karl-Erwin Piejko, Rolf Muller, Gerd Fengler, Christian Lindner | 1992-06-16 |
| 5115050 | Polyamide moulding compositions containing finely divided polyarylene sulphides | Werner Nielinger, Karsten-Josef Idel, Dieter Freitag, Claus Wulff, Hans-Detlef Heinz | 1992-05-19 |
| 5109076 | Polydiorganosiloxane/polycarbonate block cocondensates based on certain dihydroxydiphenylcycloalkanes | Dieter Freitag, Alfred K. Jung, Peter Horlacher, Gunther Weymans, Ulrich Grigo +2 more | 1992-04-28 |