Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128401 | Polyamide molding compounds | Hans-Detlef Heinz, Aziz El-Sayed, Ralf Dujardin | 1992-07-07 |
| 5052916 | Mold for the production of flat moldings of curable casting resins | Josef Dullings, Paul Vente | 1991-10-01 |
| 4961179 | Curable reaction compositions for producing data carriers | Dieter Freitag, Walter Uerdingen, Bernhard Hess, Helmut Schmid | 1990-10-02 |
| 4908216 | Apparatus for the production of low tension moulded parts | Josef Dullings, Dieter Freitag, Holger Lusgen, Helmut Schmid, Helmut Winchenbach | 1990-03-13 |
| 4868320 | 1,7,9,15-Tetraoxa-4,12-diaza-8-silaspiro-(7.7)-pentadecanes, a process for their preparaton and their use | Helmut-Martin Meier, Armin Sickert | 1989-09-19 |
| 4812591 | Process for the preparation of bisphenol-bisacrylates | Hans-Josef Buysch | 1989-03-14 |
| 4694041 | Polymerizable compositions and the use of arylamines as hardening accelerators for these compositions | Helmut-Martin Meier, Rolf Dhein, Jens Winkel, Gerhard Klein | 1987-09-15 |
| 4673713 | Arylamine derivatives which can be incorporated as copolymerized units in unsaturated resins, the preparation of these derivatives and their use as curing accelerators | Helmut-Martin Meier, Rolf Dhein, Jens Winkel, Gerhard Klein | 1987-06-16 |
| 4634791 | Arylamine derivatives which can be incorporated as co-polymerized units in unsaturated resins, the preparation of these derivatives and their use as curing accelerators | Helmut-Martin Meier, Rolf Dhein, Jens Winkel, Gerhard Klein | 1987-01-06 |
| 4524177 | Use of 1,4-dihydroxynaphthalene in the hardening of ethylenically unsaturated compounds | Klaus Kraft | 1985-06-18 |
| 4222927 | Dispersions of powders in unsaturated polyesters | Hansjochen Schulz-Walz, Bernhard Hess, Johannes Beckers | 1980-09-16 |