Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107527 | Process for the production of hydroxy-aromatic substances | Zbigniew Stec, Jan Zawadiak, Ulrich Knips, Robert Zellerhoff, Danuta Gilner +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, Robert Zellerhoff, Danuta Gilner +1 more | 1999-11-23 |