Inventor · disambiguated record
Jochen Praefke
Also filed as: PRAEFKE JOCHEN
7 granted patents·1 pending application·147 citations·filing 2003–2010
85Inventor score
Top patents by PatentIndex Score
8 records- 0195US7399892B2Process for dewatering ethanolOXENO OLEFINCHEMIE GMBH·Filed 2007·Granted Jul 15, 2008·80 cites·17 claims
- 0293US7473812B2Method for producing butene oligomers and tert-butyl ethers from C4 flows containing isobuteneOXENO OLEFINCHEMIE GMBH·Filed 2003·Granted Jan 6, 2009·39 cites·10 claims
- 0391US7932428B2Process for preparing 1-butene from technical mixtures of C4 hydrocarbonsEVONIK OXENO GMBH·Filed 2006·Granted Apr 26, 2011·13 cites·32 claims
- 0488US7737318B2Process for fine purification of 1-butenic streamsEVONIK OXENO GMBH·Filed 2006·Granted Jun 15, 2010·9 cites·17 claims
- 0570US8269050B2Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbonsPRAEFKE JOCHEN·Filed 2006·Granted Sep 18, 2012·3 cites·22 claims
- 0661US7304188B2Preparation of highly pure methyl tert-butyl etherOXENO OLEFINCHEMIE GMBH·Filed 2003·Granted Dec 4, 2007·3 cites·11 claims
- 0753US7473808B2Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane processOXENO OLEFINCHEMIE GMBH·Filed 2008·Granted Jan 6, 2009·0 cites·7 claims
- 0849US2010144998A1Process for fine purification of 1-butenic streamsOXENO OLEFINCHEMIE GMBH·Filed 2010·Application pending·0 cites
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