Hasemann; Ludwig
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hasemann; Ludwig.The latest application filed is for "stable liquid formulation".
- Hasemann; Ludwig - Muellheim-Niederweiler N/A DE
- Hasemann; Ludwig - Mullheim-Niederweiler DE
- Hasemann, Ludwig - Mullheim DE
| Patent | Date |
|---|---|
| Basic bisazo compounds Grant 8,921,564 - Hasemann , et al. December 30, 2 | 2014-12-30 |
| Stable liquid formulation Grant 8,328,925 - Hasemann December 11, 2 | 2012-12-11 |
| Stable Liquid Formulation App 20100167028 - Hasemann; Ludwig | 2010-07-01 |
| Basic Bisazo Compounds App 20100000033 - Hasemann; Ludwig ; et al. | 2010-01-07 |
| Stable liquid formulations of anionic dyes Grant 7,553,359 - Berenguer , et al. June 30, 2 | 2009-06-30 |
| Mono azo dyes Grant 7,416,593 - Hasemann August 26, 2 | 2008-08-26 |
| Stable Liquid Formulations of Anionic Dyes App 20080194815 - Berenguer; Jordi ; et al. | 2008-08-14 |
| Acidic monoazo dyestuffs App 20070151479 - Hasemann; Ludwig | 2007-07-05 |
| Storagestable concentrated aqueous solutions of anionic dis-or tetrazo dyestuffs App 20070083040 - Hasemann; Ludwig | 2007-04-12 |
| Use of a dyestuff for ink jet printing recording materials Grant 7,153,332 - Hasemann December 26, 2 | 2006-12-26 |
| Acidic mono azo dyestuffs Grant 7,097,702 - Hasemann August 29, 2 | 2006-08-29 |
| Mono azo dyes App 20060101595 - Hasemann; Ludwig | 2006-05-18 |
| Composition for printing recording materials App 20050174410 - Hasemann, Ludwig ; et al. | 2005-08-11 |
| Acidic mono azo dyestuffs App 20050172856 - Hasemann, Ludwig | 2005-08-11 |
| Use of a dyestuff for ink jet printing recording materials App 20050120495 - Hasemann, Ludwig | 2005-06-09 |
| Use of disazo compounds Grant 6,844,428 - Hasemann , et al. January 18, 2 | 2005-01-18 |
| Use of disazo compounds App 20040111813 - Hasemann, Ludwig ; et al. | 2004-06-17 |
| Composition for printing recording materials App 20030060608 - Hasemann, Ludwig ; et al. | 2003-03-27 |
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