Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340659 | Metal salts of lactones as lubricant additives | Sheri L. Blystone, Ewa A. Bardasz, Marvin B. DeTar | 2002-01-22 |
| 6310009 | Lubricating oil compositions containing saligenin derivatives | James P. Roski, Virginia A. Carrick, Richard A. Denis, Thomas J. Wolak, Gordon Lamb +3 more | 2001-10-30 |
| 6310011 | Overbased metal salts useful as additives for fuels and lubricants | Jack L. Karn, Laurence E. King, Paul E. Adams, Vincent A. Notaro | 2001-10-30 |
| H1536 | Overbased materials in ester media | Jack L. Karn, Willis P. Nichols | 1996-06-04 |
| 5259966 | Low chlorine overbased calcium salts | Frank D. Burke, Jr., Jack L. Karn | 1993-11-09 |