Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988771 | Graft copolymer having dispersion stabilizing effect, a process for producing the same, and a process of emulsion polymerization using the same | Fumikatsu Takeuchi, Tsutomu Takeuchi, Yoichi Takizawa, Susumu Kawase | 1991-01-29 |
| 4916191 | Graft copolymer having dispersion stabilizing effect, a process for producing the same, and a process of emulsion polymerization using the same | Fumikatsu Takeuchi, Tsutomu Takeuchi, Yoichi Takizawa, Susumu Kawase | 1990-04-10 |