Oehlenschlaeger; Steffen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oehlenschlaeger; Steffen.The latest application filed is for "method for producing toluylenediamine by hydrogenating dinitrotoluene".
- Oehlenschlaeger; Steffen - Antwerp BE
- Oehlenschlaeger; Steffen - Ludwigshafen N/A DE
- Oehlenschlaeger; Steffen - Antwerpen BE
| Patent | Date |
|---|---|
| Method for producing toluylenediamine by hydrogenating dinitrotoluene Grant 8,614,356 - Coelho Tsou , et al. December 24, 2 | 2013-12-24 |
| Process for preparing toluenediamine by hydrogenation of dinitrotoluene Grant 8,609,899 - Raichle , et al. December 17, 2 | 2013-12-17 |
| Method for producing polyisocyanates Grant 8,546,606 - Brodhagen , et al. October 1, 2 | 2013-10-01 |
| Method For Producing Toluylenediamine By Hydrogenating Dinitrotoluene App 20110275858 - Coelho Tsou; Joana ; et al. | 2011-11-10 |
| Absorption Heat Pumps, Absorption Refrigeration Machines And Absorption Heat Transformers Based On Emim Acetate/methanol App 20100269528 - GERHARD; Dirk ; et al. | 2010-10-28 |
| Method For Producing Amines App 20100130788 - Coelho Tsou; Joana ; et al. | 2010-05-27 |
| Processes for producing ethylene amines Grant 7,626,058 - van Cauwenberge , et al. December 1, 2 | 2009-12-01 |
| Method for producing aromatic amines or aliphatic amino alcohols Grant 7,595,424 - Vanoppen , et al. September 29, 2 | 2009-09-29 |
| Method for the production of amines Grant 7,468,461 - Van Laar , et al. December 23, 2 | 2008-12-23 |
| Method for the production of amines Grant 7,091,383 - Vanoppen , et al. August 15, 2 | 2006-08-15 |
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