Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591844 | Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups | Uwe Bartz, Reinhard D onges | 1997-01-07 |
HK
Heiner Klehr
Overall (1997): #143,504 of 185,788Top 80%
1
Patents 1997