Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684183 | Method for preparing 4-alkyl-2-hydroxy-3,5-dichlorobenzene sulphonic acids | Ari Lokio, Markku Niemi | 1997-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684183 | Method for preparing 4-alkyl-2-hydroxy-3,5-dichlorobenzene sulphonic acids | Ari Lokio, Markku Niemi | 1997-11-04 |