Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043089 | P-sulphophenyl alkyl carbonates and detergent compositions and detergent additives containing these compounds | John Meijer, Johannes Willibrordus Antonius Overkamp | 1991-08-27 |
| 4686061 | P-sulphophenyl carbonates and detergent compositions and detergent additives containing these compounds | John Meijer, Johannes Willibrordus Antonius Overkamp | 1987-08-11 |