Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972344 | Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane | Kazuhiko Yao | 2005-12-06 |
| 6951966 | Orthoalkylation catalyst for phenol and process for producing orthoalkylated phenol with use thereof | Mitsuhiro Higashi, Masamitsu Tanaka | 2005-10-04 |
| 6875896 | Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes | Kazuhiko Yao, Tooru Nakaguchi | 2005-04-05 |