Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286867 | Substituted 1-sulfonyloxy-2-pyridones and process for preparing them | Walter Spiess, Georg Pawlowski | 1994-02-15 |
| 5230985 | Negative-working radiation-sensitive mixtures, and radiation-sensitive recording material produced with these mixtures | Walter Spiess, Georg Pawlowski | 1993-07-27 |
| 5229254 | Positive-working radiation-sensitive mixtures, and radiation-sensitive recording materials produced with these mixtures | Walter Spiess, Georg Pawlowski | 1993-07-20 |
| 4797409 | 1-hydroxy-2-pyridones, a process for their preparation, and medicaments which contain them, and intermediates formed in the preparation of the 1-hydroxy-2-pyridones | Walter Dittmar, Heinz Hanel, Wolfgang Raether, Dieter Reuschling, Bengt-Thomas Grobel | 1989-01-10 |
| 4711775 | Cosmetic compositions | Walter Dittmar, Eberhard Futterer | 1987-12-08 |
| 4248957 | Acid degradable radiation-sensitive mixture | Jurgen Sander, Detlef Skaletz, Gerhard Buhr | 1981-02-03 |
| 4185106 | Pyridones as antidandruff agents | Walter Dittmar, Eberhard Futterer | 1980-01-22 |