Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456895 | Process for the production of crystalline sodium sheet silicate with kanemite structure | Alexander Tapper, Gunther Schimmel | 1995-10-10 |
| 5180566 | Process for the removal of ammonia from gases | Thomas Staffel | 1993-01-19 |
| 5139758 | Process for the preparation of ammonium polyphosphate | Thomas Staffel | 1992-08-18 |
| 5043151 | Process for producing ammonium polyphosphate which gives a low-viscosity aqueous suspension | Thomas Staffel | 1991-08-27 |
| 4931272 | Tooth pastes, cleaning agent for tooth pastes based on dicalcium phosphate-dihydrate, and process for making such cleaning agent | Franz-Josef Dany, Horst Klassen, Hedwig Prell, Gerhard Kalteyer | 1990-06-05 |
| 4517109 | Process for making mixed granulates from condensed phosphates and builder salts | Karl Merkenich, Horst-Dieter Wasel-Nielen, Alexander Maurer | 1985-05-14 |
| 4425253 | Cogranulate of alkali metal silicate and alkali metal polyphosphate, and process for making it | Alexander Mauer, Horst-Dieter Wasel-Nielen | 1984-01-10 |
| 4394358 | Production of granular alkali metal diphosphates or triphosphates | Alexander Maurer, Herbert Panter, Gero Heymer, Dieter Nolker | 1983-07-19 |
| 4394359 | Process for making granulated condensed phosphates | Horst-Dieter Wasel-Nielen, Alexander Maurer | 1983-07-19 |
| 4386024 | Granulate of alkali metal aluminum silicate and pentasodium tripolyphosphate, and process for making it | Alexander Maurer, Horst-Dieter Wasel-Nielen, Gunter Sorbe, Joachim Kandler | 1983-05-31 |
| 4385040 | Process for making granulated alkali metal orthophosphates | Alexander Maurer | 1983-05-24 |
| 4346065 | Process for the manufacture of finely dispersed sparingly soluble salts of oxyacids of phosphorus | Alexander Maurer, Gero Heymer | 1982-08-24 |
| 4294621 | Production of an anticorrosive pigment on phosphate basis | Alexander Maurer, Klaus Hestermann, Gero Heymer | 1981-10-13 |
| 4294808 | Production of anticorrosive pigments containing phosphorus | Horst-Dieter Wasel-Nielen, Herbert Panter, Gero Heymer, Alexander Maurer, Raban von Schenck | 1981-10-13 |