Derwenskus; Karl-Heinz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Derwenskus; Karl-Heinz.The latest application filed is for "field generating membrane electrode".
- Derwenskus; Karl-Heinz - Darmstadt DE
- Derwenskus, Karl-Heinz - Darstadt DE
| Patent | Date |
|---|---|
| Alkali-stable hydrophilic sorbents for ion-exchange chromatography Grant 7,015,281 - Britsch , et al. March 21, 2 | 2006-03-21 |
| Field generating membrane electrode App 20050006240 - Bender, Renate ; et al. | 2005-01-13 |
| Alkali-stable hydrophilic sorbents for ion-exchange chromatography App 20040266896 - Britsch, Lothar ; et al. | 2004-12-30 |
| Perfluoro-n-alkylsulfonic acid derivatives Grant 6,710,198 - Wachtler , et al. March 23, 2 | 2004-03-23 |
| Perfluoro-n-alkylsulfonic acid derivatives App 20030191335 - Wachtler, Andreas ; et al. | 2003-10-09 |
| Monolithic frit for a capillary column App 20030021730 - Muller, Egbert ; et al. | 2003-01-30 |
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