Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771120 | Polyarylene sulphide capped with monophenol compound | Franz Alfes, Wolfgang Eisermann, Wolfgang Jakob, Erhard Tresper | 1988-09-13 |
| 4762910 | Process for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamine | Werner Nielinger, Rudolf Binsack, Ludwig Bottenbruch, Heinz-Josef Fullmann | 1988-08-09 |
| 4753994 | Flame retardant polycarbonate compositions | Russell P. Carter, Jr., Ulrich Grigo, Sivaram Krishnan, Mark W. Witman, Klaus Kircher +1 more | 1988-06-28 |
| 4734484 | Process for the isolation of polyarylene sulphide from salts contained therein | Franz Alfes, Wolfgang Eisermann, Erhard Tresper | 1988-03-29 |
| 4732967 | Polyarylene sulphide having high melt viscosity | Karsten-Josef Idel, Edgar Ostlinning, Dieter Freitag | 1988-03-22 |
| 4661584 | Preparation of polyarylene sulphide in presence of amino carboxylic acid | Karsten-Josef Idel, Edgar Ostlinning, Dieter Freitag | 1987-04-28 |
| 4639507 | Process for the isolation of polyarylene sulphide | Wolfgang Eisermann, Karl-Heinrich Meyer, Erhard Tresper, Martin Ullrich | 1987-01-27 |
| 4465821 | Process for the continuous production of polyamides | Werner Nielinger, Karl H. Hermann | 1984-08-14 |
| 4346210 | Process for the preparation of polycarbonates catalyzed by cyclic aza compounds | Dieter Margotte, Claus Wulff, Hugo Vernaleken | 1982-08-24 |