Bartmann; Ekkehard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bartmann; Ekkehard.The latest application filed is for "matrix liquid crystal display".
- Bartmann; Ekkehard - Erzhausen DE
- Bartmann; Ekkehard - Erzhauzen DE
| Patent | Date |
|---|---|
| Process for the crystallisation of guandinium salts Grant 7,629,493 - Kirschbaum , et al. December 8, 2 | 2009-12-08 |
| Matrix liquid crystal display Grant 7,445,818 - Weber , et al. November 4, 2 | 2008-11-04 |
| Matrix liquid crystal display App 20070275182 - Weber; Georg ; et al. | 2007-11-29 |
| Process for the crystallisation of guandinium salts App 20070055064 - Kirschbaum; Michael ; et al. | 2007-03-08 |
| Matrix liquid crystal display Grant 7,186,447 - Weber , et al. March 6, 2 | 2007-03-06 |
| Matrix liquid crystal display App 20050196551 - Weber, Georg ; et al. | 2005-09-08 |
| Method for producing substituted 3-phenylamino-propane-1,2-diols App 20050143582 - Bartmann, Ekkehard ; et al. | 2005-06-30 |
| Matrix liquid crystal display Grant 6,905,740 - Weber , et al. June 14, 2 | 2005-06-14 |
| Method for producing sulfonyl-benzoyl guanidinium salts Grant 6,706,921 - Bartmann , et al. March 16, 2 | 2004-03-16 |
| Matrix liquid crystal display App 20030207046 - Weber, Georg ; et al. | 2003-11-06 |
| Method for producing sulfonyl-benzoyl guanidinium salts App 20030162999 - Bartmann, Ekkehard | 2003-08-28 |
| Method For Producing Ortho-alkylated Benzoic Acid Derivatives App 20030069444 - Bartmann, Ekkehard ; et al. | 2003-04-10 |
| Method for producing ortho-alkylated benzoic acid derivatives App 20020091286 - Bartmann, Ekkehard | 2002-07-11 |
| Method for producing ortho-alkylated benzoic acid derivatives Grant 6,350,904 - Bartmann , et al. February 26, 2 | 2002-02-26 |
| Acid-curable binder systems containing 1,2-disulfones Grant 6,156,815 - Bartmann , et al. December 5, 2 | 2000-12-05 |
| Acid-curable binder systems containing 1,2 disulfones Grant 5,985,950 - Bartmann , et al. November 16, 1 | 1999-11-16 |
| Acid-curable binder systems containing 1,2-disulfones Grant 5,717,003 - Bartmann , et al. February 10, 1 | 1998-02-10 |
| 1,2,2,2-tetrafluoroethyl ethers, and liquid-crystalline medium Grant 5,643,495 - Bartmann , et al. July 1, 1 | 1997-07-01 |
| Fluorinated liquid crystal compounds and liquid crystal medium containing same Grant 5,536,442 - Reiffenrath , et al. July 16, 1 | 1996-07-16 |
| Liquid-crystalline medium Grant 5,389,289 - Rieger , et al. February 14, 1 | 1995-02-14 |
| Matrix liquid-crystal display Grant 5,384,065 - Geelhaar , et al. January 24, 1 | 1995-01-24 |
| Trifluoromethylene compounds Grant 5,262,085 - Bartmann , et al. November 16, 1 | 1993-11-16 |
| Phenylcyclohexanes, and a liquid-crystalline medium Grant 5,230,829 - Bartmann , et al. July 27, 1 | 1993-07-27 |
| Matrix liquid crystal display Grant 5,122,295 - Weber , et al. June 16, 1 | 1992-06-16 |
| Difluoromethylene compounds Grant 5,045,229 - Bartmann , et al. September 3, 1 | 1991-09-03 |
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