Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563192 | Process for dyeing fibre material made of synthetic polyamides with anionic dyes and an auxiliary mixture | Hermann Flensberg, Harry Schaetzer | 1986-01-07 |
| 4444564 | Process for dyeing fiber material made of natural polyamides with anionic wool dyes at pH 4.5 to 5.5 in the presence of a dyeing assistant | Hermann Flensberg, Harry Schaetzer | 1984-04-24 |