Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364958 | Process for the production of methylene-crosslinked polyphenylene polyisocyanate | Noritoshi Ishida, Zunzi Tashima, Naoki Sato, Michiya Takasaki, Masaaki Iijima +1 more | 1994-11-15 |
| 5336749 | Alicyclic diamines, alicyclic diisocyanates and polyisocyanato-isocyanurates and method for the preparation thereof | Ryuji Haseyama, Masatoshi Takagi, Kouzou Hayashi, Katsuyoshi Sasagawa, Taisaku Kano +1 more | 1994-08-09 |