Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839070 | Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants | Antonio Gutierrez | 1989-06-13 |
| 4839071 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions | Antonio Gutierrez, Robert D. Lundberg, Ricardo Bloch | 1989-06-13 |
| 4839072 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts | Antonio Gutierrez | 1989-06-13 |
| 4839073 | Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer additives in lubricating oil compositions | Antonio Gutierrez, Jacob Emert, Malcolm Waddoups | 1989-06-13 |