Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5827717 | Microorganisms their use and method of producing L-.alpha.-amino acids | Dirk Volkel, Andreas Bommarius, Karlheinz Drauz | 1998-10-27 |
| 5767255 | Glucose- and sophorose-lipids, a process for their preparation and their use | Dieter Wullbrandt, Carlo Giani, Andreas Brakemeier, Siegmund Lang | 1998-06-16 |
| 5714355 | Microorganism, use thereof and process for the production of L-.alpha.-amino acids | Britta Hantke, Thomas Wagner, Karlheinz Drauz, Andreas Bommarius | 1998-02-03 |
| 5516660 | Microorganisms, their use and method of producing L-.alpha.-amino acids | Dirk Volkel, Andreas Bommarius, Karlheinz Drauz | 1996-05-14 |
| 5449786 | Method for the chemical racemization of 5-monosubstituted hydantoins by contact with anionic ion exchanger | Christoph Syldatk, Markus Pietzsch | 1995-09-12 |
| 5128262 | Microbial decontamination of soils contaminated with hydrocarbons, in particular mineral oils by microbial oxidation | Walter Lindoerfer, Kai-Udo Sewe, Axel Oberbremer, Reinhard Mueller-Hurtig | 1992-07-07 |
| 5108914 | Process for the synthesis of L-alpha-amino acids | Christoph Syldalk, Vera Mackowiak, Karsten Krohn, Hartmut Hoke, Albrecht Laufer | 1992-04-28 |
| 4921615 | Separation of solid particles of various sizes from viscous liquids | Walter Lindoerfer, Kai-Udo Sewe, Wilhelm Jahn-Held, Burkhard Ziebolz | 1990-05-01 |
| 4814272 | Process for the biotechnical production of rhamnolipids including rhamnolipids with only one .beta.-hydroxydecanoic acid residue in the molecule | Christoph Syldatk, Uwe Matulowic, Hans-Jurgen Hofmann, Kai-Udo Sewe, Walter Lindorfer | 1989-03-21 |
| 4720456 | Trehalose lipid tetraesters | Egbert Ristau, Zu-yi Li, Siegmund Lang, Walther Schulz, Hans-Jurgen Hofmann +2 more | 1988-01-19 |
| 4663039 | Apparatus for removal of oil from water and adsorbents using glycolipids | Walter Lindorfer, Walther Schulz, Wilhelm Jahn-Held | 1987-05-05 |
| 4651769 | Lubricated water valve | — | 1987-03-24 |
| 4535160 | Process for obtaining solid cyanuric chloride in finely divided form | Stefan Elischer, Hans-Gunther Hobel, Robert Merkt | 1985-08-13 |
| 4437993 | Prevention of penetration of oily hydrocarbons into sand | Walter Lindorfer, Walther Schulz | 1984-03-20 |
| 4427528 | Process for extracting crude oil from tar sands | Walter Lindorfer, Walther Schulz, Wilhelm Jahn-Held | 1984-01-24 |
| 4392892 | Process for separating hydrocarbons from particulate solids | Walter Lindorfer, Wilhelm Jahn-Held, Walther Schulz | 1983-07-12 |
| 4374735 | Method for removal of oil from sorbents using glycolipids | Walter Lindorfer, Walther Schulz, Wilhelm Jahn-Held | 1983-02-22 |
| 4334027 | Preparation of immobilized enzymatically-active substance | Joachim Klein | 1982-06-08 |
| 4329325 | Cyanuric chloride mixtures and process for producing same | Heinz-Rudiger Vollbrecht | 1982-05-11 |
| 4286660 | Process and installation for the flooding of petroleum deposits and oil shale | Peter Rapp, Hans-Peter Bock, Walter Lindorfer, Walther Schulz, Wilhelm Gebetsberger | 1981-09-01 |
| 4284509 | Process for removing oils or petroleum from the surface of the sea | Walter Lindorfer, Wilhelm Jahn-Held, Walther Schulz | 1981-08-18 |