Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120326 | Anionic polycarboxylated surfactants as dye-leveling agents | Thomas C. Hemling | 1992-06-09 |
| 5030245 | Anionic polycarboxylated surfactants as dye-leveling agents used in combination with a stainblocker for fibers | Thomas C. Hemling | 1991-07-09 |