Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470916 | High alkalinity metallic detergent-dispersant additives for lubricating oils and method of making same | Jean-Louis Le Coent | 1984-09-11 |
| 4464289 | Super-alkalinized detergent-dispersant additives for lubricating oils and method of making same | Jean-Louis Le Coent | 1984-08-07 |
| 4412927 | Process for the preparation of superalkalinized metallic detergent-dispersants for lubricating oils and products obtained therefrom | Jean-Louis Le Coent | 1983-11-01 |
| 4302342 | Process for the preparation of detergent dispersants of high alkalinity for lubricating oils and the product obtained therefrom | Jean-Louis Le Coent | 1981-11-24 |
| 4293431 | Process of preparing metallic detergent-dispersant additives of high alkalinity in particular for lubricating oils, and product obtained thereby | Jean-Louis Le Coent | 1981-10-06 |
| 4251379 | Detergent-dispersants of high alkalinity for lubricating oils and process for their preparation | Jean-Louis Le Coent | 1981-02-17 |