Inventor
BLANK HEINZ U
72 patents
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BAYER AG
48 patentsUS4873026AOct 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 patentSIEMENS ALLIS INC
1 patentShowing the top 50 of 72 patents by PatentIndex Score.