Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504043 | Color-stable solution of dimethylaminoacetonitrile in water and process for preparing it | Rainer Fell, Gotz Wilbert | 2003-01-07 |
| 6420461 | Compounds based on polyalkyl-1-oxadiazaspirodecane compounds | Mathias Mehrer, Matthias Zäh, Gerhard Pfahler | 2002-07-16 |
| 6225385 | Oligomeric stabilizer mixture | Alexander Lichtblau, Gerhard Pfahler, Karl Gaa | 2001-05-01 |
| 6194493 | 4-hydroxyquinoline-3-carboxylic acid derivatives as light stabilizers | Mathias Mehrer | 2001-02-27 |
| 6174940 | Synergistic stabilizer mixture based on polyalkyl-1-oxa-diazaspirodecane compounds | Mathias Mehrer, Matthias Zäh, Gerhard Pfahler | 2001-01-16 |
| 6172232 | Light stabilizers based on sterically hindered amines | — | 2001-01-09 |
| 5972248 | Stabilizers based on 1-aza-2,2,6,6 tetramethybicyclo [3.1.0]hexane | Josef Wiedemann, Matthias Zäh | 1999-10-26 |
| 5919933 | Light stabilizers based on sterically hindered amines | Karl Gaa, Matthias Zäh, Mathias Mehrer, Gerhard Pfahler | 1999-07-06 |
| 5856385 | Additive mixture having a nucleating action for plastics compositions | Mathias Mehrer, Gerhard Pfahler | 1999-01-05 |