Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825381 | Method and apparatus for absorbing (meth) acrylic acid | — | 2004-11-30 |
| 6713648 | Method for absorbing acrylic acid and method for purifying acrylic acid | Yoshitake Ishii, Yukihiro Matsumoto, Takeshi Nishimura | 2004-03-30 |