Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856246 | Permanent hydrophobic and oleophotic modification for polymer surfaces and process of making same | Richard Witzko, Wolfgang Burger, Gudrun Petzold, Heide-Marie Buchhammer | 1999-01-05 |
| 5630941 | Permanent hydrophilic modification of fluoropolymers | Wolfgang Burger, Heide-Marie Buchhammer | 1997-05-20 |
| 5540837 | Permanent hydrophilic modification of fluoropolymers | Heide-Marie Buchammer, Wolfgang B urger | 1996-07-30 |
| 4225404 | Perfluoroolefin and perfluoroparaffin mixture and process for making same | Peter Dietrich, Gunter Engler, Armin Ferse, Harald Grimm, Udo Gross +4 more | 1980-09-30 |