Sietsma; Jelle Rudolf Anne
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sietsma; Jelle Rudolf Anne.The latest application filed is for "process to prepare middle distillates and base oils".
- Sietsma; Jelle Rudolf Anne - Amsterdam NL
- Sietsma; Jelle Rudolf Anne - Utrecht NL
| Patent | Date |
|---|---|
| Process To Prepare Middle Distillates And Base Oils App 20150203769 - Kieffer; Eduard Philip ; et al. | 2015-07-23 |
| Process To Prepare Middle Distillates And Base Oils App 20150184089 - Kieffer; Eduard Philip ; et al. | 2015-07-02 |
| Process To Prepare A Gas Oil Fraction And A Residual Base Oil App 20150144528 - Kieffer; Eduard Philip ; et al. | 2015-05-28 |
| Process for conversion of paraffinic feedstock Grant 8,685,231 - Van De Graaf , et al. April 1, 2 | 2014-04-01 |
| Metal nitrate conversion method Grant 8,263,522 - Sietsma , et al. September 11, 2 | 2012-09-11 |
| Metal nitrate conversion method Grant 8,178,467 - Sietsma , et al. May 15, 2 | 2012-05-15 |
| Process For Conversion Of Paraffinic Feedstock App 20110139678 - Van De Graaf; Jolinde Machteld ; et al. | 2011-06-16 |
| Metal Nitrate Conversion Method App 20100099553 - Sietsma; Jelle Rudolf Anne ; et al. | 2010-04-22 |
| Metal Nitrate Conversion Method App 20090305881 - Sietsma; Jelle Rudolf Anne ; et al. | 2009-12-10 |
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