Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883573 | Removal of acid from cathodic electrocoating baths by electrodialysis | Thomas Bruecken | 1989-11-28 |
| 4818409 | Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts | Hermann Puetter | 1989-04-04 |