Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351958 | Process for producing orthoalkylated aromatic amine | Katsuo Taniguchi | 1982-09-28 |
| 4349419 | Process for separation of alkyl phenols by azeotropic distillation | Katsuo Taniguchi, Tadaaki Fujimoto | 1982-09-14 |
| 4329517 | Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor | Katsuo Taniguchi, Yoshiaki An-Nen | 1982-05-11 |