Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725730 | Aqueous dispersions containing carboxylic acids and/or resinic acids for deinking printed wastepaper | Klaus Lehmann, Hans Hawel, Dieter Schraml, Klaus Hornfeck | 1998-03-10 |
| 5362363 | Aqueous dispersions containing alkaline earth soaps and/or alkaline earth resin soaps for deinking printed wastepaper | Klaus Lehmann, Hans Hawel, Dieter Schraml, Klaus Hornfeck | 1994-11-08 |
| 4755319 | Process for the production of solid, pourable washing or cleaning agents with a content of a calcium binding silicate | Milan J. Schwuger | 1988-07-05 |
| 4545969 | Process for dewatering zeolite suspensions | Friedrich W. Diekotter, Edgar Honges, Gunther Just, Willi Wust | 1985-10-08 |
| 4500320 | Use of fine-particulate alkali metal alumino-silicates in the process of dye soaping | Heinz Grunert, Fritz Hahn, Ulrich Rall, Klaus Schumann, Milan J. Schwuger | 1985-02-19 |
| 4486314 | Process for the handling of waste waters | Edgar Koppelmann, Gerd Krapp, Klaus Schumann | 1984-12-04 |
| 4475663 | Processes and means for perfuming packaging containers | Peter Kittscher, Klaus Schumann, Theodor Altenschopfer, Wolfgang Haumann | 1984-10-09 |
| 4330423 | Process for the production of solid, pourable washing or cleaning agents with a content of a calcium binding silicate | Milan J. Schwuger | 1982-05-18 |
| 4272242 | Use of water-insoluble aluminosilicates in tanning process for the production of leather | Juergen Plapper, Klaus Schumann, Milan J. Schwuger, Emanuel Arndt, Emil Ruscheinsky +1 more | 1981-06-09 |
| 4255148 | Process and apparatus for machine washing and cleaning with low-phosphate or phosphate-free washing solutions | Elmar Reinwald, Milan J. Schwuger, Peter Krings | 1981-03-10 |
| 4249903 | Process for the preparation of alumino-silicate granulates | Edgar Koppelmann | 1981-02-10 |
| 4215007 | Process for the manufacture of low-phosphorus or phosphorus-free detergents containing aluminosilicates | Peter Krings, Josef Huppertz, Herbert Latka, Gerhard Sperling, Milan J. Schwuger | 1980-07-29 |
| 4210416 | Fine-particulate alkali metal aluminosilicates in the process of washing and cleaning rawhides and fur skins | Juergen Plapper, Milan J. Schwuger, Klaus Schumann, Emanuel Arndt, Emil Ruscheinsky | 1980-07-01 |
| 4201689 | Process for the production of tenside-containing cation exchanger aluminosilicates | Klaus Schumann | 1980-05-06 |
| 4184975 | Pourable agglomerated aluminosilicate builder compositions for washing and cleansing agents | Peter Krings, Josef Huppertz, Herbert Reuter, Dieter Kuhling, Milan J. Schwuger | 1980-01-22 |