Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11034127 | Transparent, biaxially oriented polyester film with smooth surface on one side and with good windability | Dagmar Klein, Holger Kliesch, Bodo Kuhmann | 2021-06-15 |
| 10940667 | Biaxially oriented matt polyester film with increased coefficient of friction | Dagmar Klein, Matthias Konrad, Holger Kliesch, Viktor FISCHER | 2021-03-09 |
| 5139712 | Method of producing microfiltration membranes from aromatic polyamides | Nils Hese, Horst Perl | 1992-08-18 |