Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238651 | Process for preparing an overbased detergent | Jody A. Kocsis, Jack L. Karn | 2007-07-03 |
| 4747972 | Sulfonic acid compositions having reduced sulfur-containing contaminants | Thomas F. Holden | 1988-05-31 |
| 4677074 | Process for reducing sulfur-containing contaminants in sulfonated hydrocarbons | Thomas F. Holden | 1987-06-30 |