Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821802 | Aqueous sulfomethylated melamine gel-forming compositions and methods of use | Gordon D. Gruetzmacher, Ping CHANG | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821802 | Aqueous sulfomethylated melamine gel-forming compositions and methods of use | Gordon D. Gruetzmacher, Ping CHANG | 1989-04-18 |