Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316993 | Process for the preparation of 4-phenoxy-phenols | Emmerich Paszthory, Karl G. Seifert, Hans J. Nestler | 1982-02-23 |
VZ
Vincenz Zimmermann
Overall (1982): #25,682 of 81,411Top 35%
1
Patents 1982