Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316993 | Process for the preparation of 4-phenoxy-phenols | Karl G. Seifert, Vincenz Zimmermann, Hans J. Nestler | 1982-02-23 |
EP
Emmerich Paszthory
Overall (1982): #66,917 of 81,411Top 85%
1
Patents 1982