Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357438 | Coatable water-setting plastic organopolysiloxane molding compositions | Karl Schnurrbusch, Manfred Boll, Hans Friemann | 1982-11-02 |
| 4336358 | Organopolysiloxane-urethane-vinyl graft copolymers | Heinrich Alberts, Hans Friemann, Hans-Heinrich Moretto | 1982-06-22 |