Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679804 | Preparation of phosphonic esters | Wolfgang Krause | 1997-10-21 |
KD
Klaus Ditrich
Overall (1997): #117,585 of 185,788Top 65%
1
Patents 1997