Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359042 | Polycarbonate moulding compounds and their use as layers in coextruded sheets | Siegfried Anders, Hartmut Lower, Wolfgang Nising | 2002-03-19 |
| 6350798 | Use of saccharin for stabilizing thermoplastic, aromatic polycarbonates | Wolfgang Ebert, Ralf Hufen | 2002-02-26 |
| 6225512 | Method for producing and purifying 3-(3-hydroxyphenyl)-1,1,3-trimethylindan-5-ol | Stefan Westernacher, Franz Kosik, Wolfgang Calaminus | 2001-05-01 |
| 6218502 | Copolycarbonates with an indane bisphenol base | Stefan Westernacher, Annett Konig, Jurgen Stebani, Friedrich-Karl Bruder | 2001-04-17 |
| 5852138 | Stabilizer mixtures and their use in polycarbonates | Helmut-Martin Meier, Hartmut Lower, Wolfgang Ebert | 1998-12-22 |
| 5545710 | Use of special polycarbonates for the production of optical articles | Friedrich-Karl Bruder, Ralf Pakull, J urgen Kirsch, Hartmut L ower | 1996-08-13 |
| 5436034 | Process for improving the adhesiveness of electrolessly deposited metal films | Henning Giesecke, Gerhard D. Wolf | 1995-07-25 |
| 5410014 | Method of preparing aliphatic-aromatic polycarbonates | Ralf Pakull, Gerhard Fennhoff, Jurgen Kirsch | 1995-04-25 |
| 5408027 | Process for the production of aliphatic-aromatic polycarbonates | Ralf Pakull, Gerhard Fennhoff, Jurgen Kirsch | 1995-04-18 |
| 5326851 | Low-viscosity polyarylene sulfides | Burkhard Kohler, Udo Wolf, Wolfgang Russeler | 1994-07-05 |
| 5093457 | Production of polyamide imides | Wilfried Zecher, Rolf Dhein, Aziz El-Sayed | 1992-03-03 |
| 5004795 | Aliphatic-aromatic polyamide-imides | Wilfried Zecher, Aziz El-Sayed, Burkhard Kohler, Rolf-Volker Meyer | 1991-04-02 |
| 4919514 | Optical fibres based on polycarbonate fibres, and a process for the production thereof | Wolfgang Ebert, Roland Vogelsgesang, Rolf Dhein | 1990-04-24 |
| 4774178 | Immobilization of biological material within a polymer matrix | Peter Egerer, Hermann Perrey, Gunter Schmidt-Kastner | 1988-09-27 |