Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820636 | Continuous pretreatment of cellulosic textile material | Heinz-Dieter Angstmann, Peter Freyberg | 1998-10-13 |
| 4622037 | Bleaching cotton-containing fabrics with hypochlorite at elevated temperatures | Werner Streit, Karlheinz Gebert, Friedrich Klippel, Norbert Leppert | 1986-11-11 |
| 4474916 | Concentrated aqueous solutions of mixtures of organic complexing agents and dispersing agents based on polymeric aliphatic carboxylic acids | Werner Streit, Wolfram Bergold | 1984-10-02 |