Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881942 | Coloration process for cellulose polyester textile blends with a reactive dye container a quaternary nitrogen substituent (e.g. nicotinic acid) and a disperse dye | — | 1989-11-21 |