Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612475 | Carboxymethylated guar galactomannan as a sizing agent | Hans P. Miemietz, Siegrid Waltenberger-Scharffetter, Bernhard Wuestnienhaus | 1997-03-18 |
| 5108628 | Textile softeners | Guenter Uphues, Uwe Ploog, Klaudia Bischof | 1992-04-28 |
| 4797964 | Compositions for finishing textiles | Wolfgang Ritter, Hans-Peter Handwerk, Heinz Hassenjuergen | 1989-01-17 |
| 4650596 | Pour point depressants for paraffin solutions | Wolfgang Zoellner | 1987-03-17 |