| 5130202 |
Magnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain ends |
Uwe Keppeler, Michael Bobrich, Hermann Roller, August Lehner, Werner Lenz +1 more |
1992-07-14 |
| 5084319 |
Disk-shaped magnetic recording media, their production and information stores containing these recording media |
Hartmut Hibst, Arend Werner, Joachim Hack, Heinrich Mannsperger, Michael Hitzfeld +2 more |
1992-01-28 |
| 4673591 |
Production of layer-type magnetic recording media |
August Lehner, Werner Lenz, Werner Balz, Albert Kohl, Gunnar Schornick |
1987-06-16 |
| 4671969 |
Production of layer-type magnetic recording media |
August Lehner, Werner Balz, Werner Lenz, Albert Kohl |
1987-06-09 |
| 4666781 |
Magnetic recording media |
August Lehner, Jenoe Kovacs, Werner Balz, Werner Lenz |
1987-05-19 |
| 4666783 |
Magnetic recording media |
Werner Lenz, Jenoe Kovacs |
1987-05-19 |
| 4560456 |
Magnetic recording media |
Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz |
1985-12-24 |
| 4559118 |
Magnetic recording media |
Herbert Spoor, Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz +1 more |
1985-12-17 |
| 4557813 |
Magnetic recording media |
Werner Lenz, Jenoe Kovacs |
1985-12-10 |
| 4522693 |
Photopolymerizable composition with acylphosphine sulfide photoinitiator and method |
Andreas Henne, Anton Hesse, Gunnar Schornick |
1985-06-11 |
| 4424314 |
Curable coating composition |
Helmut Barzynski, Heinrich Hartmann, Dieter Lautenbach, Rolf Osterloh, Lutz Goethlich |
1984-01-03 |
| 4334034 |
Process for the preparation of polymerizable polyurethane elastomers |
August Lehner, Heinrich Hartmann, Werner Lenz, Ingolf Buethe, Rudolf Bachmann |
1982-06-08 |
| 4205139 |
Curable coating composition |
Helmut Barzynski, Heinrich Hartmann, Dieter Lautenbach, Rolf Osterloh, Lutz Goethlich |
1980-05-27 |
