Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367275 | Method of cooling air in the under-roof spaces of buildings | — | 2002-04-09 |
| 4788253 | Thermoplastic molding material | Juergen Hambrecht, Burghard Schmitt, Johann Swoboda, Georg Wassmuth, Claus Bernhard | 1988-11-29 |
| 4634734 | Thermoplastic molding material | Juergen Hambrecht, Burghard Schmitt, Johann Swoboda, Georg Wassmuth, Claus Bernhard | 1987-01-06 |
| 4468353 | Method of preparing alkoxymethylene compounds | Otto Ackermann, Dieter Bretzinger, Herbert Schneidewind | 1984-08-28 |
| 4442263 | Thermoplastic molding materials | Franz Brandstetter, Juergen Hambrecht, Heinz-Juergen Overhoff, Josef Schwaab, Claus Bernhard +2 more | 1984-04-10 |
| 4433102 | Thermoplastic molding materials | Franz Brandstetter, Juergen Hambrecht | 1984-02-21 |
| 4393164 | Transparent impact-resistant molding material | Graham E. McKee, Franz Haaf, Juergen Hambrecht, Klaus Benker, Hans-Werner Breuer | 1983-07-12 |
| 4277418 | Method of preparing alkoxymethylene compounds | Otto Ackermann, Dieter Bretzinger, Herbert Schneidewind | 1981-07-07 |
| 4200702 | Self-extinguishing thermoplastic molding compositions | Hermann Gausepohl, Herbert Naarmann, Klaus Penzien | 1980-04-29 |