Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632781 | Lubricant composition comprising alkali metal borate dispersed in a polyalkylene succinic anhydride and a metal salt of a polyisobutenyl sulfonate | Kenneth D. Nelson | 2003-10-14 |
| 6617396 | Process for making polyalkylene/maleic anhydride copolymer | William R. Ruhe, Jr. | 2003-09-09 |
| 6534450 | Dispersed hydrated sodium borate compositions having improved properties in lubricating oil compositions | Kenneth D. Nelson | 2003-03-18 |