Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873373 | Process for preparation of 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers | Mitsumasa Umemoto, Tamotsu Asano, Hironobu Horie, Nobuyasu Tamura, Takeshi Nishida | 1989-10-10 |
| 4422976 | Continuous preparation of organic isocyanates | Ryuichi Yamamoto, Masafumi Kataita, Kenji C. Obata, Shigeki Mori | 1983-12-27 |
| 4299766 | Process for preparing alicyclic isocyanates | Ryuichi Yamamoto, Yutaka Hirai, Zyunzi Tashima | 1981-11-10 |