Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Guenter Raab, 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, Guenter Raab, 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, Guenter Raab, Michael Vogt, Viktor Specht, Ulrike Schaetzke | 1982-06-29 |