| 7632949 |
Process for the preparation of stabilizers for polymers |
— |
2009-12-15 |
| 7297734 |
Process for preparing synergistic stabilizer mixtures |
— |
2007-11-20 |
| 6420461 |
Compounds based on polyalkyl-1-oxadiazaspirodecane compounds |
Thomas Stahrfeldt, Matthias Zäh, Gerhard Pfahler |
2002-07-16 |
| 6194493 |
4-hydroxyquinoline-3-carboxylic acid derivatives as light stabilizers |
Thomas Stahrfeldt |
2001-02-27 |
| 6174940 |
Synergistic stabilizer mixture based on polyalkyl-1-oxa-diazaspirodecane compounds |
Thomas Stahrfeldt, Matthias Zäh, Gerhard Pfahler |
2001-01-16 |
| 5919933 |
Light stabilizers based on sterically hindered amines |
Karl Gaa, Matthias Zäh, Gerhard Pfahler, Thomas Stahrfeldt |
1999-07-06 |
| 5856385 |
Additive mixture having a nucleating action for plastics compositions |
Gerhard Pfahler, Thomas Stahrfeldt |
1999-01-05 |
