Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053421 | Di-styrl-phenyl-triglycol ether as crystallization inhibitor | Heinz-Otto Horstmann, Ulrich Engelhardt, Karl Reizlein, Rolf-Jurgen Singer, Klaus Wangermann +3 more | 1991-10-01 |
| 4994089 | Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether | Hans Schulze, Wolf-Dieter Schroer, Gunther Boehmke, Karlhans Jakobs, Willi Schossler | 1991-02-19 |
| 4943299 | Levelling agents for disperse dyeing of polyester: ethoxylate or propoxylate of substituted phenol, emulsifier and carrier | Hans Schulze, Klaus Walz, Karlhans Jakobs | 1990-07-24 |