Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744653 | Method for preparing 1,3-dihydroxy-4,6-bis(.alpha.-methyl-.alpha.(4'-hydroxyphenyl)ethyl)benz ene | Shigeru Iimuro | 1998-04-28 |
| 5399783 | Preparation of 6,6'-dihydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindane | Shigeru Iimuro | 1995-03-21 |
| 5304624 | Epoxy resin derived from the highly pure compound and method for preparing the resin and composition | Naru Koike, Shigeru Iimuro | 1994-04-19 |
| 5157165 | Method for preparing highly pure 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane | Naru Koike, Shigeru Iimuro | 1992-10-20 |