Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610884 | Polycarboxylic acids, preparation thereof and use thereof for treating cellulosic fibres or textile or paper materials produced therefrom | Michael Gerle, Hans-Albert Ehlert, Helmut-Martin Meier | 2003-08-26 |
| 6303213 | Substrates secure against unauthorized copying and their production | Horst Berneth, Uwe Claussen, Rolf Richter, Harro Traubel | 2001-10-16 |
| 6267712 | Pressure roller for textile machines | — | 2001-07-31 |
| 5326707 | Composition and device for urinary protein assay and method of using the same | Michael Salvati, Ronald G. Sommer | 1994-07-05 |
| 5001229 | Water soluble basic dyestuffs | Peter Wild | 1991-03-19 |
| 4710569 | Basic dyestuffs | Dieter Ockelmann, Roderich Raue, Peter Wild | 1987-12-01 |
| 4628086 | Preparation of dioxazine compounds | — | 1986-12-09 |
| 4588810 | Basic triphendioxazine dyestuffs | Wolfgang Harms, Klaus Wunderlich | 1986-05-13 |
| 4568742 | Basic triphendioxazine dyestuffs | Wolfgang Harms, Edgar Siegel | 1986-02-04 |