Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950424 | Non-aqueous liquid detergent compositions containing di-sulphonic acids as deflocculants | Philippus C. van der Hoeven, Peter Versluis, Adrianus Visser | 1990-08-21 |