Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505890 | Process for manufacturing cellulose acetate membranes | Lothar Steinfeld, Wolfgang Ansorge | 1996-04-09 |
| 5360636 | Method for coating cellulosic membranes | Michael Diamantoglou, Edmund Richter, Thomas Rintelen, Angelika Reiche, Ralf Tatas | 1994-11-01 |