Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162411 | Carbonates, their production and their use as flow aids | Gerhard Fennhoff, Uwe Westeppe, Karsten-Josef Idel, Edgar Leitz, Ulrich Grigo | 1992-11-10 |
| 5140066 | Poly (meth)acrylates with grafted-on polycarbonate chains, their production and use | Ralf Dujardin, Leo Morbitzer, Rolf Dhein | 1992-08-18 |
| 5137971 | Graft copolymers, their production and use | Ralf Dujardin, Richard Weider, Peter Horlacher | 1992-08-11 |
| 5134195 | Ternary thermoplastic mixtures | Peter Tacke, Franz-Josef Gielen, Dieter Freitag, Ulrich Grigo, Uwe Westeppe | 1992-07-28 |
| 5109079 | Monofuctional polyacrylates, their production and their use for the production of polycarbonates | Ralf Dujardin, Gerd-Friedrich Renner, Karl-Erwin Piejko, Bruno Boemer, Alfred K. Jung | 1992-04-28 |
| 5100960 | Thermoplastic molding compositions of a polysiloxane block copolycarbonate and a polycarbonate based on certain dihydroxydiphenylcycloalkanes | Ulrich Grigo, Peter Horlacher, Dieter Freitag, Karsten-Josef Idel, Uwe Westeppe +1 more | 1992-03-31 |
| 5086159 | Stabilized copolycarbonate from dihydroxy diphenyl cycloalkane | Karl-Herbert Fritsch, Uwe Westeppe, Dieter Freitag | 1992-02-04 |
| 5032661 | Thermoplastic polyester-carbonate/polysiloxane block copolymers | Volker Serini, Ulrich Grigo, Winfried Paul, Dieter Freitag | 1991-07-16 |
| 5025065 | Fire-retardant polycarbonates and polyesters | Peter Tacke, Ulrich Grigo, Dieter Freitag, Karsten-Josef Idel, Uwe Westeppe | 1991-06-18 |
| 4956240 | Use of polysiloxanes containing amino groups as additives in coatings for plastics | John L. Williams, Reinhold Dederichs, Ottfried Schlak, Karl-Heinz Kasler, Ulrich Grigo | 1990-09-11 |
| 4945130 | Molding compositions of polycarbonate, thermotropic polymer, graft polymer and fluorinated polyolefin | Joachim Genz, Hans-Rudolf Dicke, Ulrich Grigo | 1990-07-31 |
| 4929674 | Mixtures of thermoplastic poly(ester) carbonates with thermoplastic polyurethanes | Franz-Josef Gielen, Peter Tacke, Ulrich Grigo, Bernd Quiring, Christian Lindner | 1990-05-29 |
| 4912165 | Mixtures of polydiorganosiloxane-polycarbonate block co-condensates and polyisobutylenes | Paul Winfried, Ulrich Grigo, Peter Muller | 1990-03-27 |
| 4794141 | Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers | Winfried Paul, Ulrich Grigo, Peter Muller | 1988-12-27 |
| 4782115 | Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers | Winfried Paul, Hans-Jurgen Kress, Wolfgang Stix, Christian Lindner, Dieter Neuray | 1988-11-01 |
| 4762905 | Aromatic thermoplastic polyphosphonatocarbonate | Manfred Schmidt, Ludwig Bottenbruch, Dieter Freitag | 1988-08-09 |
| 4732949 | Polydiorganosiloxane/polycarbonate block copolymers | Winfried Paul, Hartmut Lower, Mark W. Witman, Ulrich Grigo | 1988-03-22 |
| 4704430 | Thermoplastic moulding materials | Dieter Freitag, Peter Tacke, Klaus G. Wilms | 1987-11-03 |
| 4656227 | Thermoplastic moulding compositions based on polyalkylene terephthalate, polycarbonate and additional polymer and a process for the production thereof | Christian Lindner, Karl-Heinz Ott, Peter Muller | 1987-04-07 |
| 4652607 | Thermoplastic moulding compositions | Wolfgang Stix, Hartmuth Buding | 1987-03-24 |
| 4584360 | Process for the preparation of polydiorganosiloxanes containing hydroxyaryloxy terminal groups | Winfried Paul, Dieter Neuray, Helmut Steinberger, Wolfgang Grape | 1986-04-22 |
| 4569970 | Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers | Winfried Paul, Hans-Jurgen Kress, Wolfgang Stix, Christian Lindner, Dieter Neuray | 1986-02-11 |
| 4539370 | Thermoplastic moulding compositions | Wolfgang Stix | 1985-09-03 |
| 4515918 | Thermoplastic moulding compositions based on polycarbonate, polyalkylene terephthalate and, optionally, one or more polymers | Volker Serini, Dieter Neuray, Rudolf Binsack, Hans-Georg Gehrke, Dieter Rempel +1 more | 1985-05-07 |
| 4506066 | Thermoplastic polycarbonates, their preparation and their use as shaped articles and films | Harald Medem, Manfred Schreckenberg, Rolf Dhein, Hans Rudolph | 1985-03-19 |