Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687071 | Nanoparticulate core shell systems and the use thereof in pharmaceutical and cosmetic preparation | Robert Heger, Jorg Breitenbach, Heribert Bohn | 2010-03-30 |
| 7105176 | Production of solid preparations of water-soluble, sparingly water-soluble or water-insoluble active compounds | Heribert Bohn, Erik Luddecke, Willy Hinz, Frank Runge, Angelika-Maria Pfeiffer | 2006-09-12 |
| 6924035 | Method for producing polymer coated pigment particles by precipitation | Heribert Bohn, Walter Machtle, Manfred Mielke, Rudiger Sens, Karl Siemensmeyer | 2005-08-02 |
| 6863914 | Stable, aqueous dispersions and stable, water-dispersible dry powders of xanthophylls, and production and use of the same | Heribert Bohn, Erik Luddecke | 2005-03-08 |
| 6844377 | Polymer particles containing dye | Heribert Bohn, Robert Heger, Ulrike Schlosser, Karl Siemensmeyer | 2005-01-18 |
| 6827941 | Use of carotenoid aggregates as colorants | Erik Luddecke, Loni Schweikert | 2004-12-07 |
| 6639113 | Production of dry powders of one or more oxygenated carotenoids | Frank Runge, Erik Luddecke, Angelika-Maria Pfeiffer, Willy Hinz | 2003-10-28 |
| 6624219 | Surface active random radical (co)polymer and dispersion method for using the same | Robert Heger, Wolfgang Schrof, Michael Seufert, Walter Machtle, Rudiger Iden +6 more | 2003-09-23 |
| 6531117 | Aqueous dispersion of water-insoluble organic UV filter substances | Robert Heger, Wilma M. Dausch, Georg Konrad Zwissler, Thomas Wunsch | 2003-03-11 |
| 6494924 | Precipitated water-insoluble colorants in colloid disperse form | Heribert Bohn, Robert Heger, Dieter Horn, Bernd Siegel, Karl Siemensmeyer | 2002-12-17 |
| 6296877 | Stable, aqueous dispersions and stable, water-dispersible dry xanthophyll powder, their production and use | Heribert Bohn, Erik Luddecke | 2001-10-02 |
| 6271396 | Use of organosulfur compounds for effecting a bathocromic shift in the UV/vis absorption bands of carotenoids | Heribert Bohn, Dieter Horn, Klaus Kramer, Joachim Paust, Horst Weiss | 2001-08-07 |
| 6235315 | Stable, pulverulent lycopene formulations, comprising lycopene having a degree of crystallinity of greater than 20% | Frank Runge, Nina Musaeus-Jensen, Herbert Haberkorn, Jens Rieger | 2001-05-22 |
| 5968251 | Production of carotenoid preparations in the form of coldwater-dispersible powders, and the use of the novel carotenoid preparations | Heribert Bohn, Herbert Haberkorn, Dieter Horn, Erik Luddecke, Volker Rauschenberger | 1999-10-19 |
| 5378383 | Process for preparing modified chromium dioxide | Harald Jachow, Ekkehard Schwab, Reinhard Koerner, Norbert Mueller, Rudi Lehnert +4 more | 1995-01-03 |
| 5266407 | Magnetic recording media | Uwe Keppeler, Michael Bobrich, Rudolf Suettinger, Albert Kohl, Hermann Dikow +2 more | 1993-11-30 |
| 5266408 | Magnetic recording media | Uwe Keppeler, Hermann Dikow, Michael Bobrich, Jochen Rudolph, Gregor Brodt +3 more | 1993-11-30 |
| 5183709 | Acicular cobalt-modified iron oxides and their preparation | Ekkehard Schwab, Ronald J. Veitch | 1993-02-02 |
| 5096779 | Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material | Michael Mueller, Ekkehard Schwab, Rainer Feser, Werner Huebner, Norbert Mueller +2 more | 1992-03-17 |
| 5064549 | Preparation of stabilized chromium dioxide with sodium tetracarbonylferrate | Michael Mueller, Ekkehard Schwab, Rainer Feser, Bernhard Boettcher, Norbert Mueller +1 more | 1991-11-12 |
| 5030371 | Process for preparing acicular ferromagnetic material consisting essentially of iron-containing chromium dioxide | Michael Mueller, Ekkehard Schwab, Rainer Feser, Rudi Lehnert, Norbert Mueller +1 more | 1991-07-09 |
| 5011279 | Fiber-optical sensor | Dieter Horn, Dieter Lilge, Juergen Wortmann | 1991-04-30 |
| 4960462 | Acicular, ferromagnetic metal particles essentially consisting of iron, and their preparation | Michael Mueller, Kalus-Dieter Hoppe, Ekkehard Schwab, Werner Steck, Rainer Feser | 1990-10-02 |
| 4913890 | Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 | Volker Arndt, Rainer Feser, Ekkehard Schwab | 1990-04-03 |
| 4637716 | Fiber-optical Doppler anemometer | Dieter Horn, Erik Lueddecke | 1987-01-20 |