Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6124480 | Process for preparing trioxane | Michael Hoffmockel, Gerhard Emig, Frank Kern | 2000-09-26 |
| 5872263 | Process for separating formaldehyde and trioxane | Michael Hoffmockel, Karl-Friedrich Muck | 1999-02-16 |
| 5587449 | Process for the preparation of polyacetal copolymers | Dietrich Fleischer, Michael Hoffmockel, Karl-Friedrich Muck | 1996-12-24 |
| 5508448 | Process for the preparation of trioxane | Gerhard Emig, Benno Kruger, Frank Kern, Michael Hoffmockel, Karl-Friedrich Muck | 1996-04-16 |
| 5508449 | Process for the preparation of trioxane | Gerhard Emig, Benno Kruger, Frank Kern, Michael Hoffmockel, Karl-Friedrich Muck | 1996-04-16 |
| 5144005 | Continuous process for removing unstable components from crude oxymethylene copolymer | Karl-Friedrich Muck, Karlheinz Burg, Eberhard Fischer | 1992-09-01 |
| 4504670 | Process for the continuous manufacture of trioxane | Hartmut Voigt, Karl-Friedrich Muck, Helmut Bar, Herbert Mader, Karlheinz Burg | 1985-03-12 |
| 4323502 | Process for the simultaneous preparation of trioxan and cyclic formals | Karl-Friedrich Muck, Karlheinz Burg | 1982-04-06 |
| 4195158 | Process for the preparation of granular oxymethylene polymers having improved mechanical properties | Karlheinz Burg, Alwin Heller, Hans-Dieter Sabel, Helmut Schlaf | 1980-03-25 |
| 4181685 | Thermoplastic molding compositions on the basis of polyoxymethylenes | Rudolf Kern, Heinz Schmidt, Karlheinz Burg, Ernst Wolters | 1980-01-01 |