Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5405436 | Process for the preparation of hydroxyapatite | Alexander Maurer, Gudrun Raab, Reinhold Schmitt, Detlev Schober, Richard Taenzler | 1995-04-11 |
| 5338524 | Process for the production of coarse-grained, anhydrous calcium monohydrogen phosphate (dicalcium phosphate anhydride) and a device for carrying out the process | Alexander Maurer, Gudrun Raab, Hans-Georg Steinert, Richard Taenzler | 1994-08-16 |
| 4755367 | Process for the preparation of coarse-particle dicalcium phosphate dihydrate | Gerold Brachtel, Detlev Schober | 1988-07-05 |
| 4526582 | Method for bleaching cellulose fibers with N-(hydroxy methyl)-1-amino alkane-1,1-diphosphonic acid stabilized peroxide-containing bleaching baths | Hans-Adolf Rohlfs, Alfred Kling, Michael Vogt, Viktor Specht, Ulrike Schaetzke | 1985-07-02 |
| 4510068 | N-(hydroxy methyl)-1-amino alkane-1,1-diphosphonic acids as stabilizing agents in peroxide-containing bleaching baths | Hans-Adolf Rohlfs, Alfred Kling, Michael Vogt, Viktor Specht, Ulrike Schaetzke | 1985-04-09 |
| 4337214 | N-(Hydroxy methyl)-1-amino alkane-1,1-diphosphonic acids, process of making same, and composition for and method of using same as stabilizing agents in peroxide-containing bleaching baths | Hans-Adolf Rohlfs, Alfred Kling, Michael Vogt, Viktor Specht, Ulrike Schaetzke | 1982-06-29 |
| 4261929 | Process of producing n-acylaminomethane phosphonic acids | Klaus Sommer | 1981-04-14 |