Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835859 | Method for continuously producing 3,3′,5,5′-tetra-t-butyl-4,4′-biphenol | — | 2004-12-28 |
| 6794548 | Method of producing 4,4′-biphenol | Toyokazu Kitaura | 2004-09-21 |