Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287721 | Method for reducing asphaltene and paraffin content in oil material | Maria Borjas-Garcia | 2012-10-16 |
| 5152886 | Method for improving heavy crude oils by reducing the asphaltene content of crude oils and oil-containing tar sands | — | 1992-10-06 |
| 5087350 | Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction | — | 1992-02-11 |
| 5017280 | Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction | — | 1991-05-21 |