Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912791 | Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound | Wolfgang Schenk, Matthias Kummer, Johannes P. Dix, Alfred Oftring | 1990-04-03 |
| 4654043 | Desizing cotton and cotton-containing fabrics | Linda Witt, Heinz-Dieter Angstmann, Rolf Blanckenhorn, Rolf Fikentscher | 1987-03-31 |
| 4622037 | Bleaching cotton-containing fabrics with hypochlorite at elevated temperatures | Dieter Bassing, Karlheinz Gebert, Friedrich Klippel, Norbert Leppert | 1986-11-11 |
| 4507220 | Aqueous suspensions of peroxydisulfates and their use as oxidative desizing agents for textile goods sized with starch | Linda Witt, Heinz-Dieter Angstmann | 1985-03-26 |
| 4474916 | Concentrated aqueous solutions of mixtures of organic complexing agents and dispersing agents based on polymeric aliphatic carboxylic acids | Wolfram Bergold, Dieter Bassing | 1984-10-02 |
| 4450083 | Agent for dissolving insoluble iron(III) compounds in highly alkaline textile treatment liquors | Klaus Lorenz, Norbert Leppert | 1984-05-22 |
| 4444959 | Water-soluble benzylated polyamidoamines | Guenter Frey, Rolf Fikentscher, Hans-Juergen Degen, Wolf Guender | 1984-04-24 |
| 4425238 | Removal of anionic compounds from water | Hans-Juergen Degen, Wolf Guender, Friedrich Linhart, Werner Auhorn, Guenter Frey +1 more | 1984-01-10 |
| 4383834 | Coloring of paper | Hans-Juergen Degen, Wolf Guender, Guenter Frey, Rolf Fikentscher, Klaus Wulz | 1983-05-17 |
| 4324724 | Manufacture of polyalkylenepolyamines | Hans Mueller, Klaus Wulz, Karl-Heinz Beyer | 1982-04-13 |
| 4224421 | Water-soluble, crosslinked nitrogen-containing condensation products | Rolf Fikentscher, Karl Gans, Gerhard Welzel, Klaus Glaser, Emil Schaefer | 1980-09-23 |