Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880553 | Methylene linked aromatic pour point depressant | Syed Q. A. Rizvi | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880553 | Methylene linked aromatic pour point depressant | Syed Q. A. Rizvi | 1989-11-14 |