Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707538 | Polyamide preparation with pentaamine cobalt (III) complex catalyst | Lawrence E. Ball, Gerald P. Coffey | 1987-11-17 |
| 4590251 | Process for the preparation of polyamide from unsaturated nitrile and ammonium salt of unsaturated carboxylic acid | Lawrence E. Ball | 1986-05-20 |
| 4525578 | Process for the preparation of polyesteramide from cyclic lactone | Lawrence E. Ball | 1985-06-25 |
| 4461885 | Nylon preparation from unsaturated nitrite with amino acid | Lawrence E. Ball | 1984-07-24 |
| 4412061 | Process for the preparation of a polyamide from unsaturated nitrile, lactam and water | Lawrence E. Ball | 1983-10-25 |
| 4405777 | Preparation of a polyamide from lactam, ammonium salt of unsaturated acid and unsaturated nitrile | Lawrence E. Ball | 1983-09-20 |