Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814272 | Process for the biotechnical production of rhamnolipids including rhamnolipids with only one .beta.-hydroxydecanoic acid residue in the molecule | Fritz Wagner, Christoph Syldatk, Uwe Matulowic, Hans-Jurgen Hofmann, Kai-Udo Sewe | 1989-03-21 |
| 4720456 | Trehalose lipid tetraesters | Fritz Wagner, Egbert Ristau, Zu-yi Li, Siegmund Lang, Walther Schulz +2 more | 1988-01-19 |
| 4692061 | Process for dumping of particulate solid waste materials in underground salt enclosed cavitives | Wilhelm Jahn-Held | 1987-09-08 |
| 4663039 | Apparatus for removal of oil from water and adsorbents using glycolipids | Walther Schulz, Fritz Wagner, Wilhelm Jahn-Held | 1987-05-05 |
| 4577999 | Process for storing liquid waste in salt cavities | Wilhelm Jahn-Held, Lutz J. Gerschler, Berthold Jandel, Friedel Wartenpfuhl | 1986-03-25 |
| 4576513 | Process for terminal storage of pumpable wastes | Wilhelm Jahn-Held | 1986-03-18 |
| 4437993 | Prevention of penetration of oily hydrocarbons into sand | Fritz Wagner, Walther Schulz | 1984-03-20 |
| 4435290 | Process for the temporary storage of recyclable liquid wastes in underground salt caverns | Wilhelm Jan-Held | 1984-03-06 |
| 4427528 | Process for extracting crude oil from tar sands | Walther Schulz, Fritz Wagner, Wilhelm Jahn-Held | 1984-01-24 |
| 4392892 | Process for separating hydrocarbons from particulate solids | Fritz Wagner, Wilhelm Jahn-Held, Walther Schulz | 1983-07-12 |
| 4374735 | Method for removal of oil from sorbents using glycolipids | Walther Schulz, Fritz Wagner, Wilhelm Jahn-Held | 1983-02-22 |
| 4286660 | Process and installation for the flooding of petroleum deposits and oil shale | Fritz Wagner, Peter Rapp, Hans-Peter Bock, Walther Schulz, Wilhelm Gebetsberger | 1981-09-01 |
| 4284509 | Process for removing oils or petroleum from the surface of the sea | Fritz Wagner, Wilhelm Jahn-Held, Walther Schulz | 1981-08-18 |