Inventor
HEIDA BERND
DE17 patents
⚠️ This page may combine multiple inventors who share the name “HEIDA BERND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
10 patentsUS7462277B2Dec 9, 2008
Continuous method for separating a C4 cut
BASF AG20 citations91
US4902828AFeb 20, 1990
Recovery of aqueous glyoxylic acid solutions
BASF AG46 citations91
US7692053B2Apr 6, 2010
Process for obtaining crude 1,3-butadiene from a C4 cut
BASF AG14 citations83
US7619126B2Nov 17, 2009
Method for obtaining crude 1,3-butadiene from a C4 fraction
BASF AG8 citations83
US7556717B2Jul 7, 2009
Method and device for extractive distillation
BASF AG17 citations83
US7393992B2Jul 1, 2008
Method for working up crude 1,3-butadiene
BASF AG15 citations83
US6166248ADec 26, 2000
Process for the separation of acrylic acid
BASF AG17 citations83
US7557257B2Jul 7, 2009
Method for the separation of a crude C4 cut
BASF AG4 citations62
US7432411B2Oct 7, 2008
Continuous method for obtaining butenes from a C4 fraction
BASF AG3 citations61
US4521632AJun 4, 1985
Purification of aqueous glyoxal solutions
BASF AG4 citations61
BASF SE
6 patentsUS10569192B2Feb 25, 2020
Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device
BASF SE5 citations71
US10968152B2Apr 6, 2021
Simplified process for isolating pure 1,3-butadiene
BASF SE1 citations61
US11034631B2Jun 15, 2021
Method for obtaining pure 1,3-butadiene
BASF SE0 citations49
US8766029B2Jul 1, 2014
Process for providing a vaporous purified crude C4 cut as a feed steam for an extractive distillation with a selective solvent
BASF SE0 citations41
US10125063B2Nov 13, 2018
Column with separative installations for separating a mixture of hydrocarbons and/or hydrocarbon derivatives by means of an extractive distillation using a selective solvent
BASF SE0 citations33
US8361280B2Jan 29, 2013
Process for distillatively obtaining pure 1,3-butadiene from crude 1,3-butadiene
BASF SE0 citations32