Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855213 | Novel polymethine dyes and imaging compositions | — | 1989-08-08 |
| 4839260 | Novel polymethine dyes and UV absorbers and imaging materials for their use | — | 1989-06-13 |
| 4839274 | Novel polymethine dyes and UV absorbers containing a triarylborylisocyano group and imaging compositions containing these dyes | — | 1989-06-13 |