Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36549 | Fatty oil ex Helianthus annuus for the production of diperazelaic acid | Paul Schulz, Beatrix Kottwitz | 2000-02-01 |
| 5650158 | Skin-conditioning succinic acid derivatives | Peter Busch, Holger Tesmann, Walter Knoerr, Rolf Wachter | 1997-07-22 |
| 5416239 | Process for the production of fatty ketones | Alfred Westfechtel, Christoph Breucker, Bernhard Gutsche, Lutz Jeromin, Horst Baumann +2 more | 1995-05-16 |
| 5364949 | Process for the production of branched fatty acids and esters thereof | Michael Neuss | 1994-11-15 |
| 5296576 | Fatty oil ex Helianthus annuus for the production of emulsifiers for emulsion polymerization | Rainer Hoefer | 1994-03-22 |
| 5278327 | Fatty oil ex helianthus annuus for the production of diperazelaic acid | Paul Schulz, Beatrix Kottwitz | 1994-01-11 |
| 5072015 | Carbonic acid fatty alcohol ester sulfonates, a process for their production and surface-active agents containing them | Bernd Fabry, Alfred Westfechtel, Ansgar Behler | 1991-12-10 |
| 4956124 | Bicyclic decanedioic acids, a process for their production, and their use as flotation aids | Paul Schulz, Wolfgang von Rybinski, Rita Koester | 1990-09-11 |
| 4925559 | Use of derivatives of tricyclo-(5.2.1.02,6)-dec-3-ene as frothers in the flotation of coal and ores | Manfred Biermann, Rita Koester | 1990-05-15 |