Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889641 | Process for the neutralization of a layer of acidic water over a sediment comprising a humic substance | — | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889641 | Process for the neutralization of a layer of acidic water over a sediment comprising a humic substance | — | 1989-12-26 |