Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515159 | S,S-ethylenediamine-N,N′-disuccinic acid iron alkali salt and a process for production thereof | Haruo Sakai | 2003-02-04 |
| 6300510 | Iron alkali salt of S,S-ethylenediamine-N,N'-disuccinic acid and process for producing the same | Haruo Sakai | 2001-10-09 |
| 5679817 | Alkylenediamine-N,N'-disuccinic acid iron (III) complex salts and process for production thereof | Haruo Sakai, Takashi Sato | 1997-10-21 |