Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807945 | (Co)polymers based on vinyl units and use thereof in electroluminescent arrangements | Yun Chen, Rolf Wehrmann, Andreas Elschner | 1998-09-15 |
| 5766515 | Conductive coatings | Friedrich Jonas, Alexander Karbach, Bavo Muys, Etienne Van Thillo, Rolf Wehrmann +1 more | 1998-06-16 |
| 5644020 | Thermoplastically processible and biodegradable aliphatic polyesteramides | Ralf Timmermann, Rainhard Koch | 1997-07-01 |
| 5512339 | Decomposable packing material | Rolf Dhein, Martin Wandel | 1996-04-30 |
| 5455311 | Thermoplastic block copolyesters capable of being composted for use as packaging materials | Ernst Grigat, Ralf Timmermann, Hans-Georg Rast | 1995-10-03 |
| 5372986 | Dye-donor element for use according to thermal dye sublimation transfer | Geert Defieuw, Rolf Wehrmann, Knud Reuter | 1994-12-13 |
| 5256702 | Method of foaming thermoplastic polycarbonate | Ernst Grigat, Wolfgang Ebert, Burkhard Kohler, Wolfgang Beer, Klaus Horn | 1993-10-26 |
| 5250742 | Process for the production of propargyl ethers and new propargyl ethers | Burkhard Kohler, Wolfgang Ebert | 1993-10-05 |
| 5238570 | Asymmetric semipermeable membranes of aromatic polycondensates, processes for their preparation and their use | Herbert Hugl, Rolf Dhein, Karlheinz Hildenbrand, Knud Reuter | 1993-08-24 |
| 5223548 | Method of foaming thermoplastic polycarbonate | Ernst Grigat, Wolfgang Ebert, Burkhard Kohler, Wolfgang Beer, Klaus Horn | 1993-06-29 |
| 5177145 | Gasoline-resistant thermoplastic molding compounds | Jochen Schoeps, Martin Wandel | 1993-01-05 |
| 5140066 | Poly (meth)acrylates with grafted-on polycarbonate chains, their production and use | Leo Morbitzer, Rolf Dhein, Werner Nouvertne | 1992-08-18 |
| 5137971 | Graft copolymers, their production and use | Richard Weider, Peter Horlacher, Werner Nouvertne | 1992-08-11 |
| 5128400 | Polyamide molding compounds containing bisphenols of high glass temperature | Hans-Detlef Heinz, Aziz E. Sayed, Rolf Dhein | 1992-07-07 |
| 5128401 | Polyamide molding compounds | Hans-Detlef Heinz, Aziz El-Sayed, Werner Kloker | 1992-07-07 |
| 5109079 | Monofuctional polyacrylates, their production and their use for the production of polycarbonates | Gerd-Friedrich Renner, Karl-Erwin Piejko, Bruno Boemer, Alfred K. Jung, Werner Nouvertne | 1992-04-28 |
| 5089590 | Liquid crystalline compounds, their production and their use as modifiers for polycarbonates, polyester carbonates and polyesters | Harald Pielartzik, Rolf-Volker Meyer, Axel Schnitzler, Hans-Joachim Traenckner | 1992-02-18 |
| 5084549 | Liquid crystalline compounds, their production and their use as modifiers for polycarbonates, polyester carbonate and polyesters | Harald Pierlartzik, Rolf-Volker Meyer, Axel Schnitzler, Hans-Joachim Traenckner | 1992-01-28 |
| 5068311 | High molecular weight (co)polyamide from diamino-alcohol | Klaus Horn, Hans-Detlef Heinz, Peter Muller | 1991-11-26 |
| 5043403 | Polycarbonates containing mesogenic compounds as end groups, their preparation and their use | Harald Pielartzik, Rolf Dhein | 1991-08-27 |
| 4937311 | Aromatic polyesters and polyester carbonates containing terminal aralkylphenyl groups, their production and use | Rolf-Volker Meyer | 1990-06-26 |
| 4929709 | Polycarbonate containing aralkylphenyl end groups | Rolf-Volker Meyer, Wolfgang Siebourg | 1990-05-29 |
| 4874816 | Vinyl copolymers with grafted-on polycarbonate chains, their production and use | Wolfgang Ebert, Rolf-Volker Meyer, Klaus Berg, Ulrich Grigo, Wolfgang Wehnert | 1989-10-17 |
| 4873376 | Process for the production of monomeric alkenylphenols from dihydroxydiphenylalkanes | Wolfgang Ebert | 1989-10-10 |