Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419887 | Process for the treatment of residual liquors from the ammoniation and carbonation of alkali metal salts | — | 2002-07-16 |
| 6398840 | Process for treating sludge | Pedro Orta-Castro | 2002-06-04 |