Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837400 | Polyoxymethylene molding materials having improved thermal stability, their preparation and their use | Manfred Walter, Heiner Goerrissen | 1989-06-06 |
| 4780498 | Molding materials of polyoxymethylene homopolymers and/or copolymers and thermoplastic polyurethane elastomers having improved heat stability, their preparation and their use | Heiner Goerrissen, Dietrich Saenger, Manfred Walter | 1988-10-25 |
| 4645785 | Thermoplastic polyoxymethylene molding materials having high abrasion resistance | Gerhard Heinz, Georg N. Simon | 1987-02-24 |
| 4639488 | Impact-resistant polyoxymethylene molding materials and their preparation | Graham E. McKee, Albrecht Hilt, Gerhard Heinz, Heiner Goerrissen | 1987-01-27 |
| 4386178 | Polyacetals having an improved maximum sustained-use temperature | Albrecht Hilt, Manfred Walter, Klaus Boehlke | 1983-05-31 |