Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859343 | Sodium removal from brines | Darrish W. Barnette | 1989-08-22 |
| 4855059 | Purification of brines with hydrous metal oxide ion exchangers | — | 1989-08-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859343 | Sodium removal from brines | Darrish W. Barnette | 1989-08-22 |
| 4855059 | Purification of brines with hydrous metal oxide ion exchangers | — | 1989-08-08 |