Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12290584 | Hair dyeing method using natural dyes and metal salt | Lusine Sargsyan, Hartmut Manneck, Thomas Hippe | 2025-05-06 |
| 8907070 | Glycolipids of branched chain alkyl oligosaccharides for liquid crystal and related applications | Rauzah Hashim, Thorsten Heidelberg, Hind Hassan, Nasrul Zamani Mohd Rodzi, Rusnah Syahila Dauli Hussen +4 more | 2014-12-09 |
| 8304525 | Glycolipids of branched chain alkyl oligosaccharides for liquid crystal and related applications | Rauzah Hashim, Thorsten Heidelberg, Hind Hassan, Nasrul Zamani Mohd Rodzi, Rusnah Syahila Dauli Hussen +4 more | 2012-11-06 |
| 7258902 | Chiral 3,4-dihydro-2H-pyran compounds | Robert Parker, Frank Prechtl, Sylke Haremza, Frank Meyer, Gunnar Gesekus | 2007-08-21 |
| 6616990 | Chiral 1, 3-dioxane compounds | Frank Prechtl, Sylke Haremza, Frank Meyer, Robert Parker, Kathrin Kürschner +1 more | 2003-09-09 |
| 6569355 | Chiral compounds, and their use as chiral dopants for the preparation of cholesteric liquid-crystalline compositions | Frank Prechtl, Sylke Haremza, Frank Meyer, Robert Parker, Gunnar Gesekus | 2003-05-27 |
| 5886242 | Polymerizable, chiral compounds and their use | Karl-Heinz Etzbach, Paul Delavier, Karl Siemensmeyer, Gerhard Wagenblast, Lothar Laupichler | 1999-03-23 |
| 5820783 | Chiral compounds | Karl Siemensmeyer, Hanns-Walter Tunger, Matthias Paul | 1998-10-13 |
| 5780629 | Polymerizable, chiral compounds and their use | Karl-Heinz Etzbach, Paul Delavier, Karl Siemensmeyer, Gerhard Wagenblast, Lothar Laupichler | 1998-07-14 |
| 5753141 | Chiral compounds | Karl Siemensmeyer, Hanns-Walter Tunger | 1998-05-19 |
| 5709817 | Chiral compounds containing a tetrahydropyran ring | Karl Siemensmeyer, Hanns-Walter Tunger, Matthias Paul | 1998-01-20 |
| 5691053 | Coating composition with thermally-influenced color | Michael Gailberger, Anne Barth, Hans Ruetger Kricheldorf, Mihai Gurau, Matthias Berghahn | 1997-11-25 |