Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357221 | Process for coating electrically conductive objects with polyurethane | Juergen Gimpel, Ingolf Buethe, Heinrich Hartmann, Hans-Uwe Schenck | 1982-11-02 |
| 4334034 | Process for the preparation of polymerizable polyurethane elastomers | Heinrich Hartmann, Guenter Heil, Werner Lenz, Ingolf Buethe, Rudolf Bachmann | 1982-06-08 |
| 4328282 | Magnetic recording media | Heinrich Hartmann, Rudolf Bachmann, Werner Balz, Albert Kohl | 1982-05-04 |
| 4320171 | Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating | Herbert Motz, Heinrich Hartmann, Rudolf Bachmann, Hans-Joerg Hartmann, Harald Frischmann +4 more | 1982-03-16 |
| 4314922 | Process for the preparation of aqueous polyurethane dispersions | Alexander Kud, Heinrich Hartmann | 1982-02-09 |
| 4310565 | Process of making a magnetic recording media | Heinrich Hartmann, Rudolf Bachmann, Albert Kohl, Herbert Spoor, Karl Mahler +1 more | 1982-01-12 |