Inventor
HALBRITTER KLAUS
DE30 patents
⚠️ This page may combine multiple inventors who share the name “HALBRITTER KLAUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
29 patentsUS7351339B2Apr 1, 2008
Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
BASF AG56 citations97
US6284917B1Sep 4, 2001
Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores
BASF AG107 citations97
US6888021B2May 3, 2005
Hydrogenation of benzenepolycarboxylic acids or derivatives thereof using a catalyst containing macropores
BASF AG22 citations92
US7319161B2Jan 15, 2008
Method for producing cyclohexane dicarboxylic acids and the derivatives thereof
BASF AG21 citations91
US5149884ASep 22, 1992
Tube bundle reactor, use thereof in exothermic organic reactions, and preparation of ketones and aldehydes using same
BASF AG47 citations91
US4940805AJul 10, 1990
Preparation of 1,4-butanediol or tetrahydrofuran or both
BASF AG24 citations91
US7767852B2Aug 3, 2010
Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
BASF AG9 citations82
US4503261AMar 5, 1985
Preparation of glyoxal
BASF AG15 citations74
US4831166AMay 16, 1989
Preparation of alpha-substituted upsilon-butyrolactones
BASF AG8 citations73
US4521602AJun 4, 1985
Preparation of pyridines or pyrroles from α,ω-dinitriles
BASF AG9 citations73
US4374274AFeb 15, 1983
Preparation of α-methylsubstituted carbonyl compounds
BASF AG7 citations73
US4298702ANov 3, 1981
Process for the manufacture of flame retardant polystyrene foams
BASF AG12 citations73
US4189592AFeb 19, 1980
Preparation of 4-methyl-5-[(2-aminoethyl)-thiomethyl]-imidazole dihydrochloride
BASF AG3 citations63
US4171458AOct 16, 1979
Manufacture of α-naphthol
BASF AG2 citations63
US4891435AJan 2, 1990
Preparation of 4,4-dimethyltetrahydrofuran-2,3-dione
BASF AG2 citations62
US4684743AAug 4, 1987
Preparation of alpha-substituted β-dicarbonyl, β-cyano-carbonyl and β-dicyano compounds
BASF AG2 citations62
US4518785AMay 21, 1985
Malondialdehyde tetraalkylacetals and their preparation
BASF AG3 citations62
US6495714B1Dec 17, 2002
Method for producing alkanesulfonic acids
BASF AG6 citations60
US6042799AMar 28, 2000
Coproduction of acetylene and hydrocyanic acid from acrylonitrile
BASF AG3 citations60
US4740646AApr 26, 1988
Preparation of indanes
BASF AG2 citations54
US5233078AAug 3, 1993
Preparation of dialkyl malonates
BASF AG1 citations52
US4806670AFeb 21, 1989
Preparation of α-substituted β-dicarbonyl and β-cyanocarbonyl compounds
BASF AG1 citations52
US4440960AApr 3, 1984
Continuous preparation of 3-alkyl-buten-1-als
BASF AG0 citations52
US4302584ANov 24, 1981
Preparation of 3,3-dimethyl-pent-4-enoic acid amides
BASF AG0 citations52
US4211875AJul 8, 1980
Preparation of 4-methyl-5-chloromethyl-imidazole
BASF AG1 citations52
US4532337AJul 30, 1985
Preparation of 3-formyl-5,6-dihydro-2H-pyran
BASF AG1 citations51
US6423861B1Jul 23, 2002
Method of producing dimethyl sulfite
BASF AG1 citations50
US4324725AApr 13, 1982
Preparation of 5-(2,2-dihalovinyl)-4,4-dialkyl-tetrahydro-furan-2-ones
BASF AG0 citations42
US4320062AMar 16, 1982
Preparation of 5-(2,2,2-trihaloethyl)-dialkyl-tetrahydrofuran-2-ones
BASF AG0 citations42