Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816034 | Water soluble direct black polyazo dyestuffs mixture | Girish I. Bhatt, Subrao S. Kulkarni, Chandrashekhar B. Upasani | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816034 | Water soluble direct black polyazo dyestuffs mixture | Girish I. Bhatt, Subrao S. Kulkarni, Chandrashekhar B. Upasani | 1989-03-28 |