Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332720 | N,N'-Polyoxyalkylene bis(lactam carboxylic acids) | Heinz Schulze, Robert L. Zimmerman | 1982-06-01 |
| 4326050 | Process and product | Heinz Schulze, Robert L. Zimmerman | 1982-04-20 |
| 4315079 | Process of making an isocyanurate foam | Heinz Schulze, Robert L. Zimmerman | 1982-02-09 |