Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317902 | SO.sub.3 -Containing aromatic polyamides | — | 1982-03-02 |
| 4294884 | Acrylic fiber having improved basic dyeability and method for making the same | Hartwig C. Bach | 1981-10-13 |
| 4293613 | Acrylic fiber having improved basic dyeability | Hartwig C. Bach | 1981-10-06 |