Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591844 | Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups | Uwe Bartz, Reinhard D onges | 1997-01-07 |
| 5395930 | Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl substituents | Uwe Bartz, Reinhard Donges | 1995-03-07 |
| 5372642 | Use of carboxymethylated methyl hydroxyethyl cellulose ethers or methyl hydroxypropyl cellulose ethers | Uwe Bartz, Reinhard Donges | 1994-12-13 |