Inventor

HAGEN HELMUT

DE81 patents

Patents

50 patents

US5424481AJun 13, 1995

Method and novel intermediate products for producing isoxazolin-3-yl-acylbenzenenes

BASF AG10 citations74

US5059240AOct 22, 1991

2,3-substituted 1,8-naphthyridines, their preparation and their use as antidotes

BASF AG10 citations74

US5006659AApr 9, 1991

Preparation of 7-chloroquinoline-8-carboxylic acids

BASF AG13 citations74

US4994564AFeb 19, 1991

Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series

BASF AG16 citations74

US4797148AJan 10, 1989

Quinoline derivatives and their use for controlling undesirable plant growth

BASF AG13 citations74

US4617395AOct 14, 1986

Preparation of quinolines

BASF AG9 citations74

US4324793AApr 13, 1982

4-Nitro-2-trichloromethylphenyl disulfides

BASF AG9 citations74

US5561100AOct 1, 1996

Pyrido-fused 4-oxo-4H-benzopyrans, their preparation and their use as antidotes

BASF AG14 citations73

US4845226AJul 4, 1989

Preparation of 8-bromomethyl-3-methylquinoline compounds

BASF AG11 citations73

US4544755AOct 1, 1985

Cleavage of phthalimides to amines

BASF AG7 citations73

US4049622ASep 20, 1977

Self-extinguishing thermoplastic molding compositions

BASF AG6 citations73

US3994909ANov 30, 1976

1,2,4-Oxadiazolin-5-one derivatives

BASF AG8 citations73

US5104441AApr 14, 1992

Herbicidal sulfonamides and their use to influence plant growth

BASF AG7 citations72

US5491123AFeb 13, 1996

Herbicides containing 3-aminobenzo(B)thiophenes as antidotes

BASF AG18 citations71

US5035736AJul 30, 1991

Herbicides which contain 2-(4-aryloxy)phenoxyacetic or -propionic acid derivatives and/or cyclohexenone derivatives as herbicidal active ingredients and naphthalene derivatives as antidotes

BASF AG8 citations71

US6670482B2Dec 30, 2003

Process and novel intermediates for preparing isoxazolin-3-ylacyl benzenes

BASF AG1 citations63

US6608209B2Aug 19, 2003

Preparation of isoxazolin-3-ylacylbenzenes

BASF AG1 citations63

US6548677B1Apr 15, 2003

Method of producing 2-alkyl-3-(4,5-dihydroisoxazole-3-yl)-halobenzenes

BASF AG4 citations63

US5783694AJul 21, 1998

IR-absorbing phthalocyanines

BASF AG4 citations63

US5198575AMar 30, 1993

Preparation of nitrobenzoic and anthranilic acids

BASF AG4 citations63

US4832731AMay 23, 1989

Quinoline-8-carboxylic acid azolides and their use as herbicides

BASF AG2 citations63

US4808212AFeb 28, 1989

Oxime esters of substituted quinoline-8-carboxylic acids and use thereof as herbicides

BASF AG4 citations63

US4589910AMay 20, 1986

Novel 4'(benzisothiazo-5-yloxy)-phenylurea derivatives, their preparation and their use as herbicides

BASF AG2 citations63

US4206217AJun 3, 1980

3-[4-(1,3-Diazacycloalken-2-yl)-phenyl]-1,2-benzisothiazoles, their manufacture, and drugs containing these compounds

BASF AG2 citations63

US4158086AJun 12, 1979

Flameproof thermoplastic molding material

BASF AG4 citations63

US5420307AMay 30, 1995

2-amino-4-oxo-4H-benzopyrans, their preparataion and their use as antidotes

BASF AG5 citations62

US4804404AFeb 14, 1989

2 and/or 3-trifluoromethyl-substituted quinoline 8-carboxylic acid derivatives and their use for controlling undesirable plant growth

BASF AG3 citations62

US4717416AJan 5, 1988

3,7-dichloro-8-quinoline derivatives, and their use for controlling undersirable plant growth

BASF AG2 citations62

US4522646AJun 11, 1985

3,7-Dichloroquinoline derivatives and their use for controlling undesirable plant growth

BASF AG3 citations62

US4315869AFeb 16, 1982

Preparation of α,β-unsaturated nitriles

BASF AG3 citations62

US4277477AJul 7, 1981

Method of using 1,2-benzisothiazoles

BASF AG4 citations62

US4232165ANov 4, 1980

2-Substituted-1-alkyl-nitroimidazoles

BASF AG3 citations62

US4163020AJul 31, 1979

2-Trichloromethyl-4-nitrobenzenesulfenic acid derivatives

BASF AG4 citations62

US4140692AFeb 20, 1979

Manufacture of 3-amino-1,2-benzisothiazoles

BASF AG3 citations62

US4083986AApr 11, 1978

2-Trichloromethyl-1,3,4-thiadiazole

BASF AG2 citations62

US4066775AJan 3, 1978

Certain fungitoxic 2-halo-5-trichloromethyl-1,3,4-thiadiazoles

BASF AG4 citations62

US5378677AJan 3, 1995

Thiochromenone derivatives as antidotes, and herbicides containing them

BASF AG3 citations61

US5167695ADec 1, 1992

Derivatives of quinoline fused to a five-membered heterocyclic ring

BASF AG4 citations61

US4395415AJul 26, 1983

N-Oxo-pyridin-2-yl-dithio-(4-nitro-2-trichloromethylbenzene) and a fungicidal formulation containing same

BASF AG3 citations61

US4122263AOct 24, 1978

Production of 2-(o-alkylthiophenyl)-1,3-diazocycloalkene hydrohalides

BASF AG4 citations61

Showing the top 50 of 81 patents by PatentIndex Score.

HAGEN HELMUT

Patents

Preparation of methylsulfonylbenzoic acids

Substituted 5-aminopyrazoles

Herbicides containing substituted 2-aminothiophenes

Quinoline derivatives and their use for controlling undesirable plant growth

Dichloroquinoline derivatives for use as herbicides

Cyanoquinoline compounds

Azo dyes with a coupling component of the quinoline series

Dichloroquinoline derivatives for use as herbicides

Process and novel intermediates for preparing isoxazolin-3-ylacyl benzenes

Method for producing isoxazoline-3-yl-acyl benzene

Method and novel intermediate products for producing isoxazolin-3-yl-acylbenzenenes

2,3-substituted 1,8-naphthyridines, their preparation and their use as antidotes

Preparation of 7-chloroquinoline-8-carboxylic acids

Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series

Quinoline derivatives and their use for controlling undesirable plant growth

Preparation of quinolines

4-Nitro-2-trichloromethylphenyl disulfides

Pyrido-fused 4-oxo-4H-benzopyrans, their preparation and their use as antidotes

Preparation of 8-bromomethyl-3-methylquinoline compounds

Cleavage of phthalimides to amines

Self-extinguishing thermoplastic molding compositions

1,2,4-Oxadiazolin-5-one derivatives

Herbicidal sulfonamides and their use to influence plant growth

Herbicides containing 3-aminobenzo(B)thiophenes as antidotes

Herbicides which contain 2-(4-aryloxy)phenoxyacetic or -propionic acid derivatives and/or cyclohexenone derivatives as herbicidal active ingredients and naphthalene derivatives as antidotes

Process and novel intermediates for preparing isoxazolin-3-ylacyl benzenes

Preparation of isoxazolin-3-ylacylbenzenes

Method of producing 2-alkyl-3-(4,5-dihydroisoxazole-3-yl)-halobenzenes

IR-absorbing phthalocyanines

Preparation of nitrobenzoic and anthranilic acids

Quinoline-8-carboxylic acid azolides and their use as herbicides

Oxime esters of substituted quinoline-8-carboxylic acids and use thereof as herbicides

Novel 4&#39;(benzisothiazo-5-yloxy)-phenylurea derivatives, their preparation and their use as herbicides

3-[4-(1,3-Diazacycloalken-2-yl)-phenyl]-1,2-benzisothiazoles, their manufacture, and drugs containing these compounds

Flameproof thermoplastic molding material

2-amino-4-oxo-4H-benzopyrans, their preparataion and their use as antidotes

2 and/or 3-trifluoromethyl-substituted quinoline 8-carboxylic acid derivatives and their use for controlling undesirable plant growth

3,7-dichloro-8-quinoline derivatives, and their use for controlling undersirable plant growth

3,7-Dichloroquinoline derivatives and their use for controlling undesirable plant growth

Preparation of α,β-unsaturated nitriles

Method of using 1,2-benzisothiazoles

2-Substituted-1-alkyl-nitroimidazoles

2-Trichloromethyl-4-nitrobenzenesulfenic acid derivatives

Manufacture of 3-amino-1,2-benzisothiazoles

2-Trichloromethyl-1,3,4-thiadiazole

Certain fungitoxic 2-halo-5-trichloromethyl-1,3,4-thiadiazoles

Thiochromenone derivatives as antidotes, and herbicides containing them

Derivatives of quinoline fused to a five-membered heterocyclic ring

N-Oxo-pyridin-2-yl-dithio-(4-nitro-2-trichloromethylbenzene) and a fungicidal formulation containing same

Production of 2-(o-alkylthiophenyl)-1,3-diazocycloalkene hydrohalides

Novel 4'(benzisothiazo-5-yloxy)-phenylurea derivatives, their preparation and their use as herbicides