Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876371 | Process of producing glycidyl ethers of monohydric or polyhydric phenols | Yoshiki Toyoshima, Hisao Takagishi, Tsutomu Takahashi | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876371 | Process of producing glycidyl ethers of monohydric or polyhydric phenols | Yoshiki Toyoshima, Hisao Takagishi, Tsutomu Takahashi | 1989-10-24 |