Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808325 | Mannich dispersant VI-improver blended with phenolic compound for improved storage stability | Robert J. Basalay | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808325 | Mannich dispersant VI-improver blended with phenolic compound for improved storage stability | Robert J. Basalay | 1989-02-28 |