Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468939 | Double metal cyanide catalysts for the preparation of polyether polyols | Jörg Hofmann, Pramod Gupta | 2002-10-22 |
| 6414192 | Process for preparing 4-aminodiphenylamine | Michael Schelhaas, Carl Casser, Dietmar Bielefeldt, Joachim Haider, Manfred Jautelat +2 more | 2002-07-02 |
| 6391820 | Bi-metallic-cyanide catalysts used for preparing polyether polyols | Jörg Hofmann, Pramod Gupta, Walter Schafer | 2002-05-21 |
| 6376420 | Double-metal cyanide catalysts for producing polyether polyols | Jörg Hofmann, Pramod Gupta | 2002-04-23 |
| 6350920 | Method for preparing polyether polyols | Hans-Josef Buysch, Manfred Dietrich, Pramod Gupta | 2002-02-26 |
| RE37495 | Substituted 1-arylpyrazoles | Jorg Stetter, Bernd Alig, Stefan Bohm, Achim Bertsch, Christoph Erdelen +4 more | 2002-01-01 |