Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291408 | Detergent-dispersant additives for lubricating oils of the sulphurized and superalkalized alkaline earth alkylsalicylate-alkylphenate type | Jean-Louis Le Coent, Jacques Cazin, Thierry Triconnet | 2001-09-18 |
| 6235688 | Detergent containing lithium metal having improved dispersancy and deposit control | Vernon R. Small, Jr., Jean-Louis Le Coent, Gerrit J. Polhaar, Ita Suharti Suwandi | 2001-05-22 |
| 6001785 | Detergent-dispersant additives for lubricating oils of the sulphurised and superalkalised, alkaline earth alkylsalicylate-alkaylphenate type | Jean-Louis Le Coent, Jacques Cazin, Thierry Triconnet | 1999-12-14 |
| 5861363 | Polyalkylene succinimide composition useful in internal combustion engines | Robert L. Freerks | 1999-01-19 |
| 5808145 | Detergent-dispersant additives for lubricating oils of the sulfurized and superalkalized alkaline earth alkylsalicylate-alkylphenate type | Jean-Louis Le Coent, Jacques Cazin, Thierry Triconnet | 1998-09-15 |
| 5677270 | Methods for preparing normal and overbased phenates | Vernon R. Small, Jr., John McDonald, Torrey A. Pennebaker, Jean-Louis Le Coent | 1997-10-14 |
| 5529705 | Methods for preparing normal and overbased phenates | Vernon R. Small, Jr., Jean-Louis Le Coent | 1996-06-25 |