Issued Patents All Time
Showing 76–100 of 181 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037220 | Printing ribbon comprising polycondensates | Volker Serini, Bernhard Schulte, Claus Burkhardt, Uwe Hucks, Werner Waldenrath +1 more | 1991-08-06 |
| 5034457 | Thermoplastic blends containing polycarbonates based on substituted cyclohexylidenebisphenols | Volker Serini, Karsten-Josef Idel, Ulrich Grigo | 1991-07-23 |
| 5034458 | Polycarbonates of substituted cyclohexylindenebisphenols | Volker Serini, Karsten-Josef Idel, Ulrich Grigo | 1991-07-23 |
| 5032661 | Thermoplastic polyester-carbonate/polysiloxane block copolymers | Volker Serini, Werner Nouvertne, Ulrich Grigo, Winfried Paul | 1991-07-16 |
| 5025065 | Fire-retardant polycarbonates and polyesters | Peter Tacke, Ulrich Grigo, Werner Nouvertne, Karsten-Josef Idel, Uwe Westeppe | 1991-06-18 |
| 5021543 | Process for the production of bifunctional OH-terminated polyphenylene oxides with dipolar aprotic solvent | Paul J. Mayska, Volker Eckhardt, Karsten-Josef Idel | 1991-06-04 |
| 5021542 | Polycarbonate of polysubstituted cyclohexylidene bisphenols | Volker Serini, Karsten-Josef Idel, Uwe Westeppe, Ulrich Grigo, Klaus-Christian Paetz | 1991-06-04 |
| 5010163 | Polycarbonate of cycloalkylidene bisphenol | Volker Serini, Uwe Westeppe, Karsten-Josef Idel, Ulrich Grigo, Carl Casser +2 more | 1991-04-23 |
| 5010162 | Polycarbonate of alkyl cyclohexylidene bisphenol | Volker Serini, Uwe Westeppe, Karsten-Josef Idel, Ulrich Grigo, Carl Casser +2 more | 1991-04-23 |
| 5010147 | High-strength polycarbonate mixtures | Uwe Westeppe, Gunther Weymans, Ulrich Grigo, Karsten-Josef Idel | 1991-04-23 |
| 4994579 | Aromatic ether imides | Knud Reuter, Gunther Weymans, Rolf Dhein | 1991-02-19 |
| 4985532 | Thermotropic polyesters, a process for their production and their use for the production of moldings, filaments and films | Ralf Pakull, Volker Eckhardt, Karsten-Josef Idel, Uwe Westeppe | 1991-01-15 |
| 4982014 | Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates | Uwe Westeppe, Claus Wulff, Karl-Herbert Fritsch, Carl Casser, Gunther Weymans +2 more | 1991-01-01 |
| 4970249 | Flameproofed, readily crystallizing polyethylene terephthalate molding compounds | Thomas Joswig, Jurgen Kirsch | 1990-11-13 |
| 4970108 | Multilayer films from the use in crash pads | Joachim Wank, Werner Waldenrath, Walter Uerdinger, Hans-Eberhard Braese | 1990-11-13 |
| 4964890 | Aromatic polyether ketones | Knud Reuter, Gunther Weymans, Rolf Dhein, Erich Meier, Gerold Muller | 1990-10-23 |
| 4961179 | Curable reaction compositions for producing data carriers | Werner Kloker, Walter Uerdingen, Bernhard Hess, Helmut Schmid | 1990-10-02 |
| 4908216 | Apparatus for the production of low tension moulded parts | Josef Dullings, Werner Kloker, Holger Lusgen, Helmut Schmid, Helmut Winchenbach | 1990-03-13 |
| 4900808 | Process for the production of high molecular weight, optionally branched polyarylene sulphides in polar solvent and lactam | Karsten-Josef Idel, Edgar Ostlinning | 1990-02-13 |
| 4888370 | Flame-resistant polyamides | Thomas Joswig, Karsten-Josef Idel, Heinz-Josef Fullmann, Friedemann Muller | 1989-12-19 |
| 4876033 | Moulded bodies containing carbon | Heinz-Jurgen Dziurla, Werner Waldenrath, Claus Burkhardt, Bernhard Schulte | 1989-10-24 |
| 4859263 | Process for the manufacture of printed circuits | Heinz-Jurgen Dziurla, Hans-Leo Weber, Werner Waldenrath | 1989-08-22 |
| 4812589 | Polyhydroxyl compounds containing a sulfonic acid ester group | Klaus Prater, Walter Uerdingen, Heinrich Heine | 1989-03-14 |
| 4806619 | Thermotropic aromatic polyesters having a high deflection temperature under load and excellent mechanical properties, a process for their preparation and their use for the production of moldings, filaments, fibres and films | Volker Eckhardt, Hans-Rudolf Dicke, Erich Hammerschmidt | 1989-02-21 |
| 4801677 | Thermotropic aromatic polyester with high thermal stability | Volker Eckhardt, Hans-Rudolf Dicke, Ludwig Bottenbruch, Ulrich Biskup | 1989-01-31 |