Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344827 | Process for working up nitric acid | Wolfgang Auge, Bernd Thelen, Karl-Werner Thiem | 1982-08-17 |
| 4334068 | Process for the preparation of triazinylamino-anthraquinones | — | 1982-06-08 |
| 4323670 | Anthraquinone-azomethine compounds, processes for their preparation and processes for pigmenting organic macromolecular substances | Meinhard Rolf, Walter Muller | 1982-04-06 |
| 4323671 | Anthraquinone derivatives, processes for their preparation, processes for pigmenting organic macromolecular substances, and pigmented organic macromolecular material | Meinhard Rolf, Walter Muller | 1982-04-06 |
| 4319025 | Anthraquinone-azomethine compounds, processes for their preparation and processes for dyeing synthetic fibre materials and for pigmenting organic macromolecular substances | Meinhard Rolf, Walter Muller | 1982-03-09 |
| 4309221 | Anthraquinone derivatives | Meinhard Rolf, Walter Muller | 1982-01-05 |