Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021609 | Stabilized hydrogen peroxide | Otmar Woost | 2011-09-20 |
| 7488439 | Method for producing dust-free alkaline earth peroxides | Ernst Buchholz | 2009-02-10 |
| 7425228 | Homogeneous, boron-doped alkaline earth peroxides | Gabriele Wasem | 2008-09-16 |
| 6547490 | Coated metal peroxides | Gabriele Wasem | 2003-04-15 |
| 6280495 | Alkaline earth metal peroxide product | Otto Caspar | 2001-08-28 |
| 6248707 | Method for producing sodium percarbonate | Manfred Mathes, Helmut Honig, Gabriele Wasem | 2001-06-19 |
| 6228342 | Process for the production of sodium percarbonate | Manfred Mathes | 2001-05-08 |
| 6193776 | Alkaline earth metal peroxide product | Otto Caspar | 2001-02-27 |
| 5681807 | Coated alkali metal peroxy salts and process for their preparation | Helmut Honig, Manfred Mathes, Klaus-Guenter Gerling, Gerd Hecken | 1997-10-28 |
| 5478488 | Detergent composition containing alkali metal peroxysalt stabilized with alkali metal sulfate and chloride | Manfred Mathes, Gerd Hecken | 1995-12-26 |
| 5399328 | Process for preparing peroxyborate agglomerates | Richard R. Roesler, Werner Zeiss, Rudolf Siegel | 1995-03-21 |
| 5346680 | Sodium percarbonate stabilized by coating | Richard R. Roesler, Alfred Soentgerath, Gerd Hecken | 1994-09-13 |
| 5290476 | Process for preparing microcrystalline perborate products | Richard R. Roesler, Werner Zeiss, Rudolf Siegel | 1994-03-01 |
| 5244644 | Process for improving the storage stability of percarbonate and percarbonate composition produced thereby | — | 1993-09-14 |
| 5203877 | Process for producing sodium perborate monohydrate agglomerate | Richard R. Roesler, Hans-Ludwig Pfeifer | 1993-04-20 |
| 4681697 | Process for producing solid aluminum chloride compositions | Rudolf Siegel | 1987-07-21 |
| 4681748 | Superoxidized sodium perborate | Rudolf Siegel | 1987-07-21 |
| 4596702 | Potassium perborate-hydrate and process for its preparation | Rudolf Siegel | 1986-06-24 |
| 4427644 | Process for the preparation of bivalent metal peroxides | Helmut Dillenburg, Paul Fuchs, Helmut Honig | 1984-01-24 |
| 4400367 | Hydrogen peroxide adduct and process for preparation and use thereof | Helmut Honig, Rudolf Siegel | 1983-08-23 |
| 4397833 | Process for the continuous production of alkali metal superoxides | Paul Fuchs | 1983-08-09 |