Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411665 | Dyeing process using alkoxylated fatty amines and polyamines as reserving agents | Hermann Egli | 1983-10-25 |
| 4285691 | Alkoxylated fatty amines and polyamines as reserving agents | Hermann Egli | 1981-08-25 |