Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826503 | Process for aftertreating cellulosic material dyed with dyes containing acid sulfo groups with salt solution to improve wet fastness and tear strength | — | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826503 | Process for aftertreating cellulosic material dyed with dyes containing acid sulfo groups with salt solution to improve wet fastness and tear strength | — | 1989-05-02 |