Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871880 | Hydroformylation process | Toshihiro Omatsu, Yasuo Tokitoh | 1989-10-03 |
| 4861922 | Hydroformylation of 3-methyl-3-buten-1-ol and analogs thereof and use of such hydroformylation products | Yasuo Tokitoh | 1989-08-29 |
| 4808737 | Process for producing 2-hydroxy-4-methyltetrahydropyran | Yasuo Tokitoh | 1989-02-28 |
| 4808756 | Method for production of .alpha.,.omega.-dialdehydes | Yasuo Tokitoh | 1989-02-28 |