Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684062 | (Co)polycarbonates stabilised against .gamma.-radiation | Ralf Hufen, Rudiger Schubart, Gerhard Fennhoff | 1997-11-04 |
| 5674467 | Meso-tetraphenylporphyrin complex compounds, process for their production and pharmaceutical agents containing the latter | Franz-Karl Maier, Mary Lee-Vaupel, Heinz Gries, Jurgen Conrad | 1997-10-07 |
| 5654383 | Polyarylene sulfides reduced in viscosity by aftertreatment with disulfides | Burkhard Kohler, Klaus Kraft, Klaus Reinking, Bahman Sarabi | 1997-08-05 |
| 5635560 | Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer | Burkhard Kohler, Dieter Wittmann, Horst Beicher, Werner Tischer, Klaus Horn | 1997-06-03 |
| 5633339 | Use of tertiary aliphatic monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates | Burkhard K ohler, Klaus Horn, Walter Sch afer, J urgen Kirsch, Rolf Dhein | 1997-05-27 |
| 5627256 | Polycarbonates containing aryl phosphines | Helmut-Martin Meier, Hartmut L ower, Claus Wulff | 1997-05-06 |
| 5612398 | Radiation-resistant polycarbonates | Gerhard Fennhoff, Ralf Hufen, Klaus Kircher | 1997-03-18 |