Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679849 | Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and a derivative thereof | Masashi Sugiya, Tsutomu Watanabe | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679849 | Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and a derivative thereof | Masashi Sugiya, Tsutomu Watanabe | 1997-10-21 |