Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878921 | Natural blue dye composition and colorant using the same: prepared by reacting taurine and genipin | Kunimasa Koga, Shigeaki Fujikawa | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878921 | Natural blue dye composition and colorant using the same: prepared by reacting taurine and genipin | Kunimasa Koga, Shigeaki Fujikawa | 1989-11-07 |