Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362831 | Synergistic light and heat stabilizer compositions for synthetic resins and resin compositions containing the same | Toshio Ohzeki, Takanori Semba | 1982-12-07 |
| 4309335 | Polyphenylene oxide resin composition stabilizer | Yutaka Nakahara, Kazumi Kitsukawa | 1982-01-05 |