Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11760865 | Halogen-free sulphonic acid ester and/or sulphinic acid ester as flame retardant, flame retardant synergists and radical generators in plastics | Thomas Driever, Anina Leipold, Elke METZSCH-ZILLIGEN | 2023-09-19 |
| 11634560 | Efficient phosphorous stabilizers based on diphenylamine and heterocyclic diphenylamine derivatives | Michael Ciesielski, Max Briesenick | 2023-04-25 |
| 11591450 | Method for stabilizing halogen-free thermoplastic recyclates, stabilized plastic compositions, and molding compounds and molded parts produced therefrom | Elke METZSCH-ZILLIGEN | 2023-02-28 |