Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527994 | Process for mass-coloring nylon with 1:2 chromium complex azo dye | Paul Lienhard | 1985-07-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527994 | Process for mass-coloring nylon with 1:2 chromium complex azo dye | Paul Lienhard | 1985-07-09 |