Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994089 | Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether | Frank Bartkowiak, Hans Schulze, Wolf-Dieter Schroer, Gunther Boehmke, 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, Frank Bartkowiak | 1990-07-24 |
| 4391718 | Sulphonated mono-hydric diaryl phenol formaldehyde condensates, their preparation, their use as dispersing agents and formulations containing them | Gunther Reitz, Gunther Boehmke | 1983-07-05 |
| 4325890 | Phenol-formaldehyde condensates, their preparation and their use as dispersing agents, liquefaction agents and tanning agents | Gunther Reitz, Vaclav Kaspar, Kurt Schaupp | 1982-04-20 |
| 4279614 | Process for dyeing polyester-containing materials | Hans Schulze, Klaus Walz, Gunther Boehmke | 1981-07-21 |
| 4276046 | Process for dyeing polyester fibres of fibre mixtures containing them | Udo-Winfried Hendricks | 1981-06-30 |
| 4258448 | Method of dispersing, emulsifying materials with phosphoric acid esters | Gunther Reitz, Gunther Boehmke | 1981-03-31 |