Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337334 | Process for production of phenolic resin from bisphenol-A by-products | Yoshiro Shimizu, Toshio Itakura, Mitsuhiro Iwasa | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337334 | Process for production of phenolic resin from bisphenol-A by-products | Yoshiro Shimizu, Toshio Itakura, Mitsuhiro Iwasa | 1982-06-29 |