Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810254 | Wet-fastness properties of sulphur dyestuffs dyeings on cellulose treated with poly-di-allyl-ammonium salt | Wolfgang Bauer, Gert Nagl, Manfred Kaiser, Joachim Steinbach, Klaus Sternberger | 1989-03-07 |
| 4806126 | Process for alkali-free dyeing and printing with reactive dyes | Klaus Sternberger, Dieter Gevert, Oscar Navarrete | 1989-02-21 |