Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455731 | Process for producing a high purity aromatic polycarboxylic acid | Ryusuke Shigematsu, Masayoshi Hayashi, Shinichi Nagao, Akio Hashimoto | 2002-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455731 | Process for producing a high purity aromatic polycarboxylic acid | Ryusuke Shigematsu, Masayoshi Hayashi, Shinichi Nagao, Akio Hashimoto | 2002-09-24 |