Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291148 | Process for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheet | Seimei Yasui, Masakazu Sagou, Takanobu Noguchi, Yoshiki Toyoshima | 1981-09-22 |