Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552509 | Phenolic resin compositions derived from bisphenol compounds and their condensates | Shigeru Iimuro, Takashi Kitamura | 1996-09-03 |
| 5395915 | Method for simultaneous preparation of bisphenol F and novolak phenol resins | Shigeru Iimuro, Satoru Ito, Takashi Kitamura | 1995-03-07 |