Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673973 | Method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane | Kazuhiko Yao, Kenji Ekawa, Yoichiro Isota | 2004-01-06 |
| 6673974 | Process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane | Kazuhiko Yao, Kenji Ekawa, Yoichiro Isota | 2004-01-06 |
| 6673975 | Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane | Kazuhiko Yao, Kenji Ekawa, Yoichiro Isota | 2004-01-06 |