Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879410 | Preparation of primary aralkyl urethanes and ureas and isocyanates derived therefrom | Balwant Singh, William A. Henderson | 1989-11-07 |
| 4863636 | Substituted N-hydroxyphthalimides and their use as detergent additives | Robert G. Fischer | 1989-09-05 |