Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698730 | Method for preparing cyanoacetic acid higher ester | Katsumi Nakamura, Yasuyuki Takayanagi | 1997-12-16 |
| 5637752 | Method for preparing cyanoacetic acid higher ester | Katsumi Nakamura, Yasuyuki Takayanagi | 1997-06-10 |