Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972344 | Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane | Kenji Ekawa | 2005-12-06 |
| 6875896 | Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes | Tooru Nakaguchi, Kenji Ekawa | 2005-04-05 |