Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032661 | Thermoplastic polyester-carbonate/polysiloxane block copolymers | Volker Serini, Werner Nouvertne, Winfried Paul, Dieter Freitag | 1991-07-16 |
| 5026758 | Thermoplastic molding compounds of polycarbonate, polyalkylene terephthalate, special barium sulfate and optionally, elastomers | Jurgen Kirsch, Dieter Wittmann, Karsten-Josef Idel, Peter Horlacher | 1991-06-25 |
| 5025065 | Fire-retardant polycarbonates and polyesters | Peter Tacke, Werner Nouvertne, Dieter Freitag, Karsten-Josef Idel, Uwe Westeppe | 1991-06-18 |
| 5021542 | Polycarbonate of polysubstituted cyclohexylidene bisphenols | Volker Serini, Dieter Freitag, Karsten-Josef Idel, Uwe Westeppe, Klaus-Christian Paetz | 1991-06-04 |
| 5010147 | High-strength polycarbonate mixtures | Uwe Westeppe, Gunther Weymans, Karsten-Josef Idel, Dieter Freitag | 1991-04-23 |
| 5010162 | Polycarbonate of alkyl cyclohexylidene bisphenol | Volker Serini, Dieter Freitag, Uwe Westeppe, Karsten-Josef Idel, Carl Casser +2 more | 1991-04-23 |
| 5010163 | Polycarbonate of cycloalkylidene bisphenol | Volker Serini, Dieter Freitag, Uwe Westeppe, Karsten-Josef Idel, Carl Casser +2 more | 1991-04-23 |
| 4999420 | Polymerization of cyclic aromatic oligomers with low temperature aprotic organic solvent | Edgar Leitz, Ludwig Bottenbruch, Karl-Heinz Ott, Alfred K. Jung | 1991-03-12 |
| 4980426 | Moulding compounds of polycarbonate mixtures having a high disperse solubility | Klaus Berg, Guther Weymans, Ludwig Bottenbruch | 1990-12-25 |
| 4966958 | Process for the preparation of aromatic polyesters | Peter Tacke, Ludwig Bottenbruch, Hans-Josef Buysch, Wolfgang Alewelt | 1990-10-30 |
| 4956240 | Use of polysiloxanes containing amino groups as additives in coatings for plastics | John L. Williams, Reinhold Dederichs, Ottfried Schlak, Karl-Heinz Kasler, Werner Nouvertne | 1990-09-11 |
| 4954569 | Use of homopolycarbonates of 3,3'-dihydroxydiphenyl ether for modifying films of thermoplastics | Gunther Weymans, Klaus Berg, Karsten-Josef Idel, Ludwig Bottenbruch | 1990-09-04 |
| 4945130 | Molding compositions of polycarbonate, thermotropic polymer, graft polymer and fluorinated polyolefin | Joachim Genz, Hans-Rudolf Dicke, Werner Nouvertne | 1990-07-31 |
| 4943502 | Photosensitive recording material suited for use in electrophotography containing dihydroquinoline charge transport compounds | David R. Terrell, Marcel J. Monbaliu, Klaus Berg | 1990-07-24 |
| 4929674 | Mixtures of thermoplastic poly(ester) carbonates with thermoplastic polyurethanes | Werner Nouvertne, Franz-Josef Gielen, Peter Tacke, Bernd Quiring, Christian Lindner | 1990-05-29 |
| 4923957 | Process for the production of aromatic polyesters | Peter Tacke, Karsten-Josef Idel | 1990-05-08 |
| 4912165 | Mixtures of polydiorganosiloxane-polycarbonate block co-condensates and polyisobutylenes | Paul Winfried, Werner Nouvertne, Peter Muller | 1990-03-27 |
| 4902746 | Use of mixtures of polycarbonates and styrene polymers as substrates for optical storage media | Volker Serini, Klaus Berg, Leo Morbitzer, Karl-Erwin Piejko, Klaus Summermann | 1990-02-20 |
| 4874816 | Vinyl copolymers with grafted-on polycarbonate chains, their production and use | Ralf Dujardin, Wolfgang Ebert, Rolf-Volker Meyer, Klaus Berg, Wolfgang Wehnert | 1989-10-17 |
| 4873314 | Process for the production of polycarbonate solutions | Klaus Berg, Karsten-Josef Idel | 1989-10-10 |
| 4847153 | Metal plated molded compositions containing polycarbonate and a certain ABS resin | Stuart L. Cohen | 1989-07-11 |
| 4826634 | Fluorinated alkylamidosulphonates, their preparation, their use as flame retardants, and polycarbonate moulding compositions containing them | Bernd Baasner, Klaus Berg | 1989-05-02 |
| 4794141 | Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers | Winfried Paul, Peter Muller, Werner Nouvertne | 1988-12-27 |
| 4777215 | Thermoplastic mixtures of aromatic polycarbonates and polystyrenes and their use as substrates for optical data memories | Wolfgang Wehnert, Helmut Schmid, Joachim Wagner | 1988-10-11 |
| 4753994 | Flame retardant polycarbonate compositions | Russell P. Carter, Jr., Sivaram Krishnan, Mark W. Witman, Klaus Kircher, Hans-Jurgen Kress +1 more | 1988-06-28 |