Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888396 | Novel cationic acrylamide polymers and processes for their preparation | William Chiang, George J. W. Tichenor | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888396 | Novel cationic acrylamide polymers and processes for their preparation | William Chiang, George J. W. Tichenor | 1989-12-19 |