Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5120326 | Anionic polycarboxylated surfactants as dye-leveling agents | Thomas C. Hemling | 1992-06-09 | $1,787,000 |
| 5030245 | Anionic polycarboxylated surfactants as dye-leveling agents used in combination with a stainblocker for fibers | Thomas C. Hemling | 1991-07-09 | $3,088,000 |