Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6166126 | Binder solutions for printing inks containing aromatic polymers with high softening points | Norbert Volkmann, Ulrich Knips | 2000-12-26 |
| 6107527 | Process for the production of hydroxy-aromatic substances | Zbigniew Stec, Jan Zawadiak, Ulrich Knips, Danuta Gilner, Beata Orlinska +3 more | 2000-08-22 |
| 5990357 | Process for the oxidation of isoalkylaromatic hydrocarbons, and catalyst for the execution of the process | Jan Zawadiak, Zbigniew Stec, Ulrich Knips, Danuta Gilner, Beata Orlinska +1 more | 1999-11-23 |
| 5075416 | Novel process | Peter Staglich, Bodo Friedrich, Hans Spengler | 1991-12-24 |
| 4900717 | Recovery of 2,6-dialkyl-naphthalene isomers | Wilhelm Holtmann, Rudolf Oberkobusch, Peter Staglich, Bernhard Charpey | 1990-02-13 |
| 4429172 | Process for the production of modified pitches and low boiling aromatics and olefins and use of said pitches | Maximilian Zander, Franz Kajetanczyk | 1984-01-31 |