Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300140 | Hydroprimer for metallising substrate surfaces | Gerhard D. Wolf, Ulrich von Gizycki, Gunther Reichert, Gert Jabs | 1994-04-05 |
| RE32046 | Solutions for stabilizing thermoplastic polycarbonates | Erich Eimers, Rolf Dhein, Engelbert Kuhle, Gerhard Heywang | 1985-12-10 |
| 4552911 | Polycarbonate molding compositions having improved flame retardance | Klaus Kircher, Peter Muller, Sivaram Krishnan, Dieter Neuray | 1985-11-12 |
| 4503213 | Process for the preparation of polycarbonates having N-alkyl-perfluoroalkyl sulfonamide terminal groups | Sivaram Krishnan, Dieter Neuray, Klaus Geisler | 1985-03-05 |
| 4471104 | Process for the preparation of polycarbonates having sulfonanilide terminal groups | Sivaram Krishnan, Dieter Neuray | 1984-09-11 |
| 4450249 | Internal antistatic agents for polycarbonates and for polycarbonate films | Manfred Schmidt, Joachim Wank, Eckart Reese, Dieter Freitag, Klaus Wangermann | 1984-05-22 |
| 4404351 | Process for the isolation of polycarbonates based on 4,4'-dihydroxydiphenyl sulphones | Peter Kafer, Leo Morbitzer, Dieter Neuray, Werner Nouvertne | 1983-09-13 |
| RE31165 | Transparent moulding composition of a polycarbonate and a resin | Volker Serini, Gert Humme, Karl-Heinz Ott, Hugo Vernaleken | 1983-03-01 |
| 4375525 | Use of organic silicon compounds for stabilizing and brightening polycarbonates which are free from phosphites and free from boric acid esters | Karsten-Josef Idel, Dieter Freitag, Ottfried Schlak | 1983-03-01 |
| 4367303 | Solutions for stabilizing thermoplastic polycarbonates | Erich Eimers, Rolf Dhein, Engelbert Kuhle, Gerhard Heywang | 1983-01-04 |
| 4342681 | Use of organic silicon compounds in combination with oxetane compounds, dioxanes or tetrahydrofuranes for stabilizing and brightening polycarbonates which are free from phosphites and free from boric acid esters | Karsten-Josef Idel, Dieter Freitag | 1982-08-03 |
| 4327015 | Flame resistant, transparent polycarbonates comprising bisulfite adducts | Frank Druschke, Dieter Margotte, Karsten-Josef Idel | 1982-04-27 |
| 4301212 | Scratch-resistant and weather-resistant laminates based on polycarbonate | Frank Kleiner, Gerhard Kranz | 1981-11-17 |
| 4289685 | Process for the preparation of flame-resistant polycarbonates | Frank Druschke, Dieter Margotte, Erhard Tresper, Ludwig Bottenbruch, Uwe Hucks | 1981-09-15 |
| 4228067 | UV Light stabilized polycarbonate composition | Burkhard Lachmann, Hans Rudolph | 1980-10-14 |
| 4225483 | Boric acid esters and oxetanes for stabilizing phosphite-free polycarbonates | Erich Eimers, Rolf Dhein | 1980-09-30 |
| 4208489 | Polycarbonate molding compositions with improved flame-repellency | Manfred Schmidt, Frank Kleiner, Dieter Freitag, Karsten-Josef Idel | 1980-06-17 |