Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948910 | Water-soluble perylene dyestuffs, their preparation and their use | Wolfgang Bauer, Dieter Baumgart, Dieter Schnaitmann, Klaus-Peter Kreutzer | 1999-09-07 |
| 5882360 | Water-soluble copper phthalocyanine dyestuffs, their preparation and their use | Wolfgang Bauer, Dieter Baumgart, Klaus-Peter Kreutzer | 1999-03-16 |
| 5783710 | Benzothioxanthene dyes, their preparation and their use | Wolfgang Bauer, Dieter Baumgart | 1998-07-21 |
| 5668260 | Tetrakisazo Compounds, the method of preparation thereof and the process of pyeing | Wolfgang Bauer, Dieter Baumgart | 1997-09-16 |
| 5597387 | Water-soluble polyazo dyestuffs | Wolfgang Bauer, Dieter Baumgart | 1997-01-28 |