Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236657 | Process for producing multi-layer mouldings | Joachim Wank, Wolfgang Lamaack, Dietmar Benner, Friedrich Johannaber, Karl-Heinz Julicher | 1993-08-17 |
| 5227458 | Polycarbonate from dihydroxydiphenyl cycloalkane | Dieter Freitag, Uwe Westeppe, Claus Wulff, Karl-Herbert Fritsch, Carl Casser +2 more | 1993-07-13 |
| 5207961 | Injection-moulded article and process for the production thereof | Joachim Wank, Eckart Reese | 1993-05-04 |
| 5140056 | Alkali or alkaline earth salts of sulfosuccinic acid esters as internal antistatic agents, take-off and winding aids for transparent polycarconate films | Volker Wiskamp, Dittmar Nerger, Bernhard Schulte | 1992-08-18 |
| 5126428 | Polycarbonate from dihydroxy diphenyl cycloalkane | Dieter Freitag, Uwe Westeppe, Claus Wulff, Karl-Herbert Fritsch, Carl Casser +2 more | 1992-06-30 |
| 5076987 | Process for the production of optically isotropic extrusion films | Joachim Wank, Hans-Leo Weber, Claus Burkhardt, Dieter Freitag, Bernhard Schulte | 1991-12-31 |
| 5056617 | Diaphragm for loudspeaker | Joachim Wank, Dieter Freitag | 1991-10-15 |
| 5055345 | Multilayer composite material | Joachim Wank, Walter Uerdingen, Lutz Schrader | 1991-10-08 |
| 5037220 | Printing ribbon comprising polycondensates | Volker Serini, Bernhard Schulte, Claus Burkhardt, Dieter Freitag, Uwe Hucks +1 more | 1991-08-06 |
| 4982014 | Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates | Dieter Freitag, Uwe Westeppe, Claus Wulff, Karl-Herbert Fritsch, Carl Casser +2 more | 1991-01-01 |
| 4970108 | Multilayer films from the use in crash pads | Joachim Wank, Walter Uerdinger, Dieter Freitag, Hans-Eberhard Braese | 1990-11-13 |
| 4908430 | Use of special polyimides as cast films and coatings | Wilfried Zecher, Dieter Arlt, Lutz Schrader | 1990-03-13 |
| 4902573 | Method for antistatic finishing of adhesive thermoplastic coatings | Friedrich Jonas | 1990-02-20 |
| 4888243 | Process for antistatic treatment of plastic mouldings | Friedrich Jonas | 1989-12-19 |
| 4876033 | Moulded bodies containing carbon | Heinz-Jurgen Dziurla, Dieter Freitag, Claus Burkhardt, Bernhard Schulte | 1989-10-24 |
| 4859263 | Process for the manufacture of printed circuits | Heinz-Jurgen Dziurla, Hans-Leo Weber, Dieter Freitag | 1989-08-22 |
| 4828901 | Injection-moulded article and a process for the production thereof | Joachim Wank, Eckart Reese | 1989-05-09 |
| 4806412 | Laminates | Joachim Wank, Rudolf Hombach | 1989-02-21 |
| 4791016 | Stretched polycarbonate films filled with carbon black | Bernhard Schulte, Werner Tischer, Hans Kaloff | 1988-12-13 |
| 4786708 | Use of films of polycondensates | Volker Serini, Bernhard Schulte, Claus Burkhardt, Dieter Freitag, Uwe Hucks +1 more | 1988-11-22 |
| 4735721 | Polyether-copolycarbonates for dialysis membranes | Manfred Schreckenberg, Rolf Dhein, Ralf Lange | 1988-04-05 |
| 4707396 | Laminates | Joachim Wank, Heinz-Dieter Schmitz, Gunter Pakulat | 1987-11-17 |
| 4654411 | High molecular weight polyesters, preparation and use thereof | Volker Serini, Bernhard Schulte, Dieter Freitag, Uwe Hucks, Joachim Wank +1 more | 1987-03-31 |
| 4629637 | Coated optically isotropic or monoaxially film of plastic | Hans-Leo Weber, Uwe Claussen | 1986-12-16 |
| 4607070 | Polyether-copolycarbonates for dialysis membranes | Manfred Schreckenberg, Rolf Dhein, Ralf Lange | 1986-08-19 |