P

Inventor

DREES STEFAN

DE8 patents
⚠️ This page may combine multiple inventors who share the name “DREES STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EVONIK OPERATIONS GMBH

3 patents
US11820739B2Nov 21, 2023

Process for preparing aldehydes and cooling a stream of matter

EVONIK OPERATIONS GMBH0 citations50
US11806669B2Nov 7, 2023

Variable and self-regulating permeate recycling in organophilic nanofiltration

EVONIK OPERATIONS GMBH0 citations47
US11773041B2Oct 3, 2023

Process for preparing aldehydes and cooling a stream of matter

EVONIK OPERATIONS GMBH0 citations46

OXENO OLEFINCHEMIE GMBH

2 patents
US6720457B2Apr 13, 2004

Process for the hydroformylation of higher olefins using cobalt compounds as catalyst

OXENO OLEFINCHEMIE GMBH39 citations92
US7179947B2Feb 20, 2007

Process for the hydroformylation of olefins

OXENO OLEFINCHEMIE GMBH15 citations83

LUEKEN HANS-GERD

2 patents
US8138379B2Mar 20, 2012

One-stage continuous process for hydroformylating higher olefins or olefin mixtures

LUEKEN HANS-GERD8 citations82
US8129571B2Mar 6, 2012

Multistage continuous process for the hydroformylation of higher olefins or olefin mixtures

LUEKEN HANS-GERD6 citations71

EVONIK OXENO GMBH & CO KG

1 patent
US12296301B2May 13, 2025

Variable, self-regulating permeate recycling in organophilic nanofiltration

EVONIK OXENO GMBH & CO KG0 citations46