Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328111 | Modified overbased sulfonates and phenates | Joseph S. Strukl | 1982-05-04 |
| 4231759 | Liquid hydrocarbon fuels containing high molecular weight Mannich bases | John H. Udelhofen | 1980-11-04 |