Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601725 | Thiophene based fugitive colorants | Edward W. Kluger | 1986-07-22 |
| 4400320 | Alkyleneoxy fugitive tints containing a 2-amino, 6-methoxy benzathiazole group and process for preparing such fugitive tints | Ralph N. Brendle | 1983-08-23 |