Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976743 | Dyeing auxiliary composition: levelling agent for reactive dyes containing hydroxy sulfonic acid anionic surfactant and poly-basic polymer | Noriaki Ohba, Yujin Tabata, Masaaki Nagatsuka, Tateyuki Nagatomi | 1990-12-11 |