Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885158 | Heat stable quaternized lactams having oxylated sulfur anions | David J. Tracy, Robert B. Login | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885158 | Heat stable quaternized lactams having oxylated sulfur anions | David J. Tracy, Robert B. Login | 1989-12-05 |