Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349659 | Process for producing aromatic polyester | Yasuyuki Kato, Makoto Hanabata | 1982-09-14 |
| 4327205 | Bulk Polycondensation process for producing aromatic polyesters | Yasuyuki Kato, Haruo Suzuki, Masatsune Kondo, Junichi Kimura, Zyunso Saito | 1982-04-27 |
| 4316004 | Process for producing oxybenzoyl copolyesters | Shozaburo Imai | 1982-02-16 |