Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015262 | Dye-leveling agent for reactive dyeing: phospholipids or phospholipid-type compounds | Noriaki Ohba, Tateyuki Nagatomi | 1991-05-14 |
| 4976743 | Dyeing auxiliary composition: levelling agent for reactive dyes containing hydroxy sulfonic acid anionic surfactant and poly-basic polymer | Noriaki Ohba, Masaaki Nagatsuka, Tateyuki Nagatomi, Helmut Klicker | 1990-12-11 |
| 4379755 | Gelatinizing agent composition, and gel and aqueous emulsion prepared therefrom | Mikio Yamada | 1983-04-12 |