P

Inventor

BLANK HEINZ U

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

BAYER AG

48 patents
US4873026AOct 10, 1989

Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid

BAYER AG57 citations95
US5235087AAug 10, 1993

Process for the preparation of dialkyl carbonates

BAYER AG21 citations91
US5030747AJul 9, 1991

Process for the preparation of μ-amino-acrylic acid esters

BAYER AG28 citations88
US4496736AJan 29, 1985

Process for the preparation of carboxylic acids and N-tert.-alkylamines

BAYER AG26 citations82
US4622429ANov 11, 1986

Process for the preparation of substituted benzaldehydes

BAYER AG23 citations81
US4495369AJan 22, 1985

Process for the preparation of neopentylamine

BAYER AG26 citations79
US5231213AJul 27, 1993

Process for the preparation of dialkyl carbonates

BAYER AG10 citations74
US5082976AJan 21, 1992

Process for the preparation of benzaldehydes

BAYER AG8 citations74
US4582849AApr 15, 1986

Fungicidal N-substituted maleic acid imides

BAYER AG18 citations74
US4567004AJan 28, 1986

Process for the preparation of monomethyl-substituted methylene compounds

BAYER AG13 citations74
US5081288AJan 14, 1992

Process for the preparation of substituted 3,5-dichloro-2,4-difluoro-benzenes

BAYER AG10 citations73
US4668788AMay 26, 1987

5,5-dichloro-4,5-dihydro-6-hydroxy-2-trichloromethylpyrimidin-4-one

BAYER AG6 citations73
US5072053ADec 10, 1991

1,3-di-arylmethoxy-4,6-dinitro-benzenes, process for their preparation and process for the preparation of 4,6-diaminoresorcinol

BAYER AG6 citations72
US4973758ANov 27, 1990

Process for the preparation of 1,5-dihydroxynaphthalene and 1,5-diaminonaphthalene

BAYER AG11 citations72
US4435336AMar 6, 1984

Process for the preparation of aromatic aminosulphonic acids

BAYER AG8 citations72
US4366102ADec 28, 1982

Process for the preparation of chloroformic acid aryl esters

BAYER AG8 citations72
US4328340AMay 4, 1982

Preparation of 4-amino-6-tert.-butyl-3-alkylthio-1,2,4-triazin-5-(4H)-ones

BAYER AG7 citations72
US4315094AFeb 9, 1982

Preparation of 4-amino-6-tert.-butyl-3-alkylthio-1,2,4-triazin-5(4H)-one

BAYER AG10 citations72
US4534905AAug 13, 1985

Process for the preparation of nitronaphthalene-sulphonic acids

BAYER AG7 citations71
US4382039AMay 3, 1983

Process for the preparation of 4-nitrotoluene-2-sulphonic acid

BAYER AG7 citations69
US4880576ANov 14, 1989

Acid halides, a process for their preparation

BAYER AG14 citations67
US5304680AApr 19, 1994

Process for the preparation of aromatic amines which are substituted by C1 -C4 -alkoxy in the p-position

BAYER AG5 citations63
US5095133AMar 10, 1992

Process for the preparation of aminomethylene compounds

BAYER AG2 citations63
US4370498AJan 25, 1983

Preparation of α-ketocarboxylic acid N-acylamides

BAYER AG2 citations63
US4345100AAug 17, 1982

Preparation of α-ketocarboxylic acid N-tert.-butylamides

BAYER AG3 citations63
US4215071AJul 29, 1980

Process for the preparation of sulphonic acid chlorides

BAYER AG3 citations63
US4166070AAug 28, 1979

Process for the preparation of sulfonic acid chlorides

BAYER AG3 citations63
US5068428ANov 26, 1991

Process for the preparation of cyclopropanecarboxamide

BAYER AG5 citations62
US4868347ASep 19, 1989

Process for obtaining substituted fluorobenzenes

BAYER AG3 citations62
US4836959AJun 6, 1989

Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid

BAYER AG2 citations62
US4661621AApr 28, 1987

Process for the preparation of pivaloylacetic acid esters

BAYER AG2 citations62
US4594427AJun 10, 1986

Preparation of novel 5-acyloxy-4-(5H)-oxazolonium salts suited for use as intermediates for triazinone herbicides

BAYER AG2 citations62
US4408044AOct 4, 1983

Preparation of 3,6-disubstituted 4-amino-1,2,4-triazin-5-ones

BAYER AG2 citations62
US4369143AJan 18, 1983

Process for the preparation of naphthalene-1,3,5-trisulphonic acid

BAYER AG3 citations62
US4314950AFeb 9, 1982

Process for the preparation of sulphonic acid chlorides

BAYER AG3 citations62
US4246279AJan 20, 1981

Novel dichloromaleic acid diamide derivatives and their use as fungicides

BAYER AG2 citations62
US5206427AApr 27, 1993

Process for the preparation of aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids

BAYER AG3 citations61
US4968835ANov 6, 1990

Process for the preparation of aminoaryl-sulphonic acids

BAYER AG3 citations61
US4910345AMar 20, 1990

Process for the purification of nitrobenzaldenhyde

BAYER AG5 citations61
US4795596AJan 3, 1989

1-Aminomethylnaphthalene-6-sulphonic acid, its preparation and its use

BAYER AG3 citations61
US4359426ANov 16, 1982

Process for the production of aromatic isocyanates containing aromatically bound sulfochloride groups

BAYER AG3 citations61
US4316862AFeb 23, 1982

Process for the preparation of sulphonic acid chlorides

BAYER AG2 citations61
US4760209AJul 26, 1988

Process for preparing 3,5-dichloro-α-methylstyrene

BAYER AG2 citations60
US4538007AAug 27, 1985

Process for the simultaneous recovery of 4-hydroxy-diphenyl and 4,4'-dihydroxydiphenyl

BAYER AG2 citations60
US4426334AJan 17, 1984

Process for isolating H acid and K acid

BAYER AG2 citations60
US4349471ASep 14, 1982

Process for the preparation of aromatic sulphonic acid halides

BAYER AG5 citations60
US4348336ASep 7, 1982

Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acid

BAYER AG4 citations60
US4717514AJan 5, 1988

Process for preparing p-toluidine-2-sulphonic acid

BAYER AG3 citations59

KERNFORSCHUNGSANLAGE JUELICH

1 patent

SIEMENS ALLIS INC

1 patent

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