Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580573 | Mixtures containing trimellitic acid ester and polyether polyol ester as plasticizers, use of the mixtures for producing polymer compounds and PVC materials containing said mixtures | Guido D. Frey, Horst Lange, Heinz Strutz | 2017-02-28 |
| 9193844 | Mixtures containing trimellitic acid ester and polyether polyol ester as plasticizers, use of the mixtures for producing polymer compounds and PVC materials containing said mixtures | Guido D. Frey, Horst Lange, Heinz Strutz | 2015-11-24 |