Heck; Ludwig E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heck; Ludwig E..The latest application filed is for "process for purifying wastewaters from the workup of crude aromatic nitro compounds".
- Heck; Ludwig E. - Edingen-Neckarhausen DE
- Heck, Ludwig E - Edingen-Neckarhausen DE
| Patent | Date |
|---|---|
| Process For Purifying Wastewaters From The Workup Of Crude Aromatic Nitro Compounds App 20120205308 - Leschinski; Julia ; et al. | 2012-08-16 |
| Reaction column in a special combination with a natural circulation evaporator Grant 7,544,832 - Bredehoft , et al. June 9, 2 | 2009-06-09 |
| Process For The Production Of Neopentylglycol Using Formaldehyde With A Low Methanol Content App 20080004475 - Sirch; Tilman ; et al. | 2008-01-03 |
| Method for producing 1, 6 hexane diol Grant 7,307,194 - Sirch , et al. December 11, 2 | 2007-12-11 |
| Method for producing 1, 6 hexane diol App 20070112225 - Sirch; Tilman ; et al. | 2007-05-17 |
| Method for producing pure trioxane App 20050176973 - Friese, Katrin ; et al. | 2005-08-11 |
| Reaction column in a special combination with a natural circulation evaporator App 20050020848 - Bredehoft, Jan Peter ; et al. | 2005-01-27 |
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