Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841017 | Polyether compounds, epoxy resins and processes for production thereof | Katsuhisa Sakai | 1989-06-20 |
| 4835213 | Process for producing lactone polymer and an anti-shrinking thermosetting resin composition having formulated therein said lactone polymer as an anti-shrinking agent | Shoji Watanabe, Kimio Inoue, Tomohisa Isobe, Naoki Nakashima, Takuya Miho +1 more | 1989-05-30 |