Issued Patents All Time
Showing 101–111 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068312 | Polyarylene sulfides terminated by sulfonic acid and/or sulfonic acid derivative groups, their production and use | Ernst-Ulrich Dorf, Wolfgang Russeler, Wolfgang Ebert, Walter Schmitt | 1991-11-26 |
| 5066781 | Heat treated polyarylene sulphide containing phosphine groups | Rolf-Volker Meyer | 1991-11-19 |
| 5064884 | Blends of polyarylene sulfides, epoxides, glass fibers, optionally anhydride-containing polymers and optionally other additives | Walter Uerdingen, Wolfgang Wehnert, Manfred Schmidt, Walter Schafer, Klaus Reinking | 1991-11-12 |
| 5017682 | Process for the production of unbranched polyarylene sulfides of improved color quality and improved color stability | Rolf-Volker Meyer, Ernst-Ulrich Dorf, Wolfgang Russeler, Manfred Schmidt | 1991-05-21 |
| 5010169 | Polyarylene sulphide containing phosphine groups | Rolf-Volker Meyer | 1991-04-23 |
| 5004795 | Aliphatic-aromatic polyamide-imides | Wilfried Zecher, Aziz El-Sayed, Wilfried Haese, Rolf-Volker Meyer | 1991-04-02 |
| 4996256 | Free-flowing polyarylene sulfides crystallizing with delay | Hans-Detlef Heinz, Rolf-Volker Meyer, Klaus Reinking, Alexa Sommer | 1991-02-26 |
| 4978729 | High molecular weight polyarylene sulfide produced from polyarylene sulfide and aromatic dihalogen compound | Hans-Detlef Heinz | 1990-12-18 |
| 4968761 | Process of fusing polyarylene sulfide with sulfonic acid salt | Rolf-Volker Meyer, Hans-Detlef Heinz, Hans-Joachim Traenckner | 1990-11-06 |
| 4960855 | Polyarylene ether containing benzoxazole groups and a process for their preparation | Rolf-Volker Meyer | 1990-10-02 |
| 4952624 | Polyarylene sulfide mixtures with reduced radical formation under highly accelerated weathering | Gerhard Heywang, Eberhard Zirngiebl | 1990-08-28 |