Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814289 | Process for the peparation of cogranulates comprising aluminosilicates and sodium silicates | Alexander Tapper, Gunther Schimmel, Gerd Wingefeld | 1998-09-29 |
| 5520860 | Process for preparing granular sodium silicates | Alexander Tapper, Gunther Schimmel, Gerhard Noltner | 1996-05-28 |
| 5078895 | Washing agent with storage-stabilized bleach system | Franz-Josef Dany, Werner Gohla, Gunther Schimmel, Ingrid Czeslik | 1992-01-07 |
| 4950310 | Process for the preparation of crystalline sheet sodium silicates | Martin Schott, Willy Ott, Werner Gohla | 1990-08-21 |
| 4820439 | Washing and cleaning agent containing surfactants, builder, and crystalline layered sodium silicate | — | 1989-04-11 |
| 4806327 | Process for the preparation of crystalline sheet-type alkali metal silicates | Martin Schott | 1989-02-21 |
| 4742039 | Adsorbents based on phyllosilicic acids which have been modified so as to be organophilic | Johann Franz Hanauer, Hans-Jurgen Kalz, Jochen M. Quack, Armin K. Weiss | 1988-05-03 |
| 4728443 | Textile softening detergent composition | Jurgen Grosse, Werner Gohla | 1988-03-01 |
| 4703029 | Moldings made of silicate material and processes for their preparation | Martin Schott, Jurgen Russow | 1987-10-27 |
| 4664839 | Use of crystalline layered sodium silicates for softening water and a process for softening water | — | 1987-05-12 |
| 4631158 | Shaped articles of silicate material, a process for their production and their use | Martin Schott, Jurgen Russow | 1986-12-23 |
| 4589988 | Softener-containing washing agent | Hans-Jurgen Kalz, Adolf May, Jochen M. Quack, Hans-Walter Bucking | 1986-05-20 |
| 4585642 | Process for the preparation of crystalline sodium silicates | — | 1986-04-29 |
| 4581213 | Crystalline silicic acid, its salts, and processes for their preparation | — | 1986-04-08 |
| 4578258 | Process for the preparation of crystalline sheet-type alkali metal silicates | — | 1986-03-25 |
| 4578371 | Aluminosilicates having a zeolite structure, and process for the manufacture thereof | Hans-Jurgen Kalz | 1986-03-25 |
| 4528172 | Process for the manufacture of zeolites | Hans-Jurgen Kalz | 1985-07-09 |
| 4438081 | Process for the purification of cyclic chlorophosphazenes | — | 1984-03-20 |
| 4378341 | Process for the manufacture of ammonium nitrilotrisulfonate | Jurgen Russow, Hans-Joachim Semmler | 1983-03-29 |
| 4374818 | Process for the preparation of alkali metal salts of imidodisulfonic acid | — | 1983-02-22 |
| 4335085 | Process for the preparation of phosphorus pentachloride | Jurgen Russow | 1982-06-15 |