Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766267 | Use of carbohydrate compounds as auxiliaries for dyeing and printing fiber materials | Christian Schumacher, Brigitte Horsch, Andreas von der Eltz, Markus Strauss | 1998-06-16 |
| 5473061 | Process for the treatment of cellulose | Ties Karstens, Harro Lentz, Hans Steinmeier | 1995-12-05 |
| 4491661 | Process for the preparation of cellulose ethers from ammonia-activated cellulose | Emy Togelang | 1985-01-01 |