Issued Patents All Time
Showing 26–50 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109108 | Hexahydrotriazinetrione-containing polyarylene sulphide | Burkhard Kohler | 1992-04-28 |
| 5102935 | Free-flowing polyamide molding compounds and blends | Hans-Detlef Heinz, Harald Pielartzik, Aziz El-Sayed, Martin Wandel, Peter-Roger Nyssen | 1992-04-07 |
| 5093398 | Dispersions of copolymers containing perfluoroalkyl groups | Jutta Rottger, Karl-Heinz Passon, Werner Maurer, Wilfried Kortmann, Peter Selinger | 1992-03-03 |
| 5089590 | Liquid crystalline compounds, their production and their use as modifiers for polycarbonates, polyester carbonates and polyesters | Harald Pielartzik, Ralf Dujardin, Axel Schnitzler, Hans-Joachim Traenckner | 1992-02-18 |
| 5086128 | High molecular weight arylene sulphide polymer melt mixed with aromatic nitro compound | Hans-Detlef Heinz, Burkhard Kohler, Klaus Reinking, Alexa Sommer | 1992-02-04 |
| 5084547 | Thermotropic, fully aromatic polycondensates, a process for their preparation and their use for the production of moulded articles, fibres, filaments, sheet products and films | Harald Pielartzik, Hermann Brinkmeyer, Bernd Willenberg | 1992-01-28 |
| 5084549 | Liquid crystalline compounds, their production and their use as modifiers for polycarbonates, polyester carbonate and polyesters | Harald Pierlartzik, Ralf Dujardin, Axel Schnitzler, Hans-Joachim Traenckner | 1992-01-28 |
| 5066781 | Heat treated polyarylene sulphide containing phosphine groups | Burkhard Kohler | 1991-11-19 |
| 5049651 | Process for the preparation of branched (co)polyamides by solid phase post-condensation, and corresponding (co)-polyamides | Hans-Detlef Heinz | 1991-09-17 |
| 5032664 | Process for the production of segmented polyurethane urea elastomer solutions and filaments and films thereof | Beatrix Frauendorf, Michael Kausch | 1991-07-16 |
| 5030703 | Liquid crystal polycondensates with improved heat stability, a process for their preparation and their use for the production of shaped articles, films, fibres and filaments | Harald Pielartzik, Wolfgang Alewelt | 1991-07-09 |
| 5028689 | Branched (co)polyamide by polycondensation in the presence of lysine component polycarboxylic acid mixture | Hans-Detlef Heinz | 1991-07-02 |
| 5026818 | Melt preparation of polyamide with additive combination | Hans-Detlef Heinz, Helmut Schulte, Franz X. Zimmerman | 1991-06-25 |
| 5017682 | Process for the production of unbranched polyarylene sulfides of improved color quality and improved color stability | Burkhard Kohler, Ernst-Ulrich Dorf, Wolfgang Russeler, Manfred Schmidt | 1991-05-21 |
| 5010169 | Polyarylene sulphide containing phosphine groups | Burkhard Kohler | 1991-04-23 |
| 5004795 | Aliphatic-aromatic polyamide-imides | Wilfried Zecher, Aziz El-Sayed, Wilfried Haese, Burkhard Kohler | 1991-04-02 |
| 4996256 | Free-flowing polyarylene sulfides crystallizing with delay | Hans-Detlef Heinz, Burkhard Kohler, Klaus Reinking, Alexa Sommer | 1991-02-26 |
| 4988549 | Multilayered moulded products based on polyamides | Friedrich Fahnler, Hanns P. Muller, Martin Wandel, Hans-Detlef Heinz | 1991-01-29 |
| 4985534 | Polyetheramide hotmelt-adhesives | Hans-Detlef Heinz, Eduard Hansel, Gunter Arend | 1991-01-15 |
| 4985508 | Process for the production of polyester-polyamide block polymers | Bernhard Mussig, Rolf Dhein, Bert Brassat | 1991-01-15 |
| 4973652 | Process for the production of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with p containing catalyst and mixture of hydrocarbons | Wolfgang Ebert, Rolf Dhein, Udo Oels | 1990-11-27 |
| 4968761 | Process of fusing polyarylene sulfide with sulfonic acid salt | Burkhard Kohler, Hans-Detlef Heinz, Hans-Joachim Traenckner | 1990-11-06 |
| 4960855 | Polyarylene ether containing benzoxazole groups and a process for their preparation | Burkhard Kohler | 1990-10-02 |
| 4959452 | Alpha-amino-epsilon-caprolactam-modified polyamide preparation | Rolf Dhein, Martin Wandel, Harald Selbeck, Friedrich Fahnler, Hans-Detlef Heinz +1 more | 1990-09-25 |
| 4946927 | Preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with organic phase comprising mixture of hydrocarbons | Wolfgang Ebert, Rolf Dhein, Udo Oels | 1990-08-07 |