Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840937 | Surfactant composed of acylated collagen or acylated gelatine and a production process thereof | Masayasu Furuse, Yoshimitsu Kuroyanagi, Teruo Miyata, Takashi Suzuki | 1989-06-20 |