Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199495 | Thiolcarbonate ester stabilizers | Yutaka Nakahara, Kazumi Kitsukawa | 1980-04-22 |
| 4189409 | Process for preparing a methylenebis(2-hydroxy-4-alkoxybenzophenone) and acyloxymethyl 2-OH 4-alkoxy benzophenones | Naohiro Kubota, Toshihiro Shibata | 1980-02-19 |