Inventor

PRAEFKE JOCHEN

DE7 patents

⚠️ This page may combine multiple inventors who share the name “PRAEFKE JOCHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OXENO OLEFINCHEMIE GMBH

4 patents

US7399892B2Jul 15, 2008

Process for dewatering ethanol

OXENO OLEFINCHEMIE GMBH80 citations96

US7473812B2Jan 6, 2009

Method for producing butene oligomers and tert-butyl ethers from C4 flows containing isobutene

OXENO OLEFINCHEMIE GMBH39 citations91

US7304188B2Dec 4, 2007

Preparation of highly pure methyl tert-butyl ether

OXENO OLEFINCHEMIE GMBH3 citations59

US7473808B2Jan 6, 2009

Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process

OXENO OLEFINCHEMIE GMBH0 citations50

EVONIK OXENO GMBH

2 patents

US7932428B2Apr 26, 2011

Process for preparing 1-butene from technical mixtures of C4 hydrocarbons

EVONIK OXENO GMBH13 citations83

US7737318B2Jun 15, 2010

Process for fine purification of 1-butenic streams

EVONIK OXENO GMBH9 citations82

PRAEFKE JOCHEN

1 patent

US8269050B2Sep 18, 2012

Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons

PRAEFKE JOCHEN3 citations55