Inventor
ZIEMANN HEINZ
DE20 patents
Patents
20 patentsUS5204471AApr 20, 1993
α-trifluoromethyl-substituted, saturated bicyclic amines
BAYER AG30 citations92
US5011996AApr 30, 1991
Process for the preparation of amines
BAYER AG25 citations92
US4408061AOct 4, 1983
Process for the preparation of 1,4-3,6-dianhydro-hexitols
BAYER AG46 citations92
US4642344AFeb 10, 1987
Polyamines
BAYER AG21 citations82
US4051177ASep 27, 1977
Process for the preparation of unsaturated amino compounds
BAYER AG27 citations80
US4495369AJan 22, 1985
Process for the preparation of neopentylamine
BAYER AG26 citations79
US5283363AFeb 1, 1994
Process for the preparation of (hetero)arylalk(en/in)ylamines and (hetero)arylalkinylamines
BAYER AG11 citations74
US4100116AJul 11, 1978
Polyurethane foams from polyether polyols which contain amide groups
BAYER AG8 citations74
US5087775AFeb 11, 1992
Process for the preparation of partially fluorinated alcohols
BAYER AG16 citations73
US4940819AJul 10, 1990
Process for the hydrogenation of α,β-unsaturated ketones
BAYER AG18 citations73
US5530169AJun 25, 1996
Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons
BAYER AG2 citations63
US4622427ANov 11, 1986
Process for the preparation of partially hydrogenated derivatives of 2-nitro-1,1,1-trifluoroalkanes
BAYER AG3 citations63
US4434289AFeb 28, 1984
Process for the preparation of 2-trimethylsilyloxy-ethylamines
BAYER AG2 citations63
US5093522AMar 3, 1992
Carboxylic acid halides containing trifluoromethyl groups and a process for their preparation
BAYER AG2 citations62
US4602115AJul 22, 1986
Substituted 5-cycloalkyl-2,2-di-methyl-pentan-3-ones
BAYER AG2 citations60
US4764524AAug 16, 1988
Novel substituted furazane
BAYER AG2 citations57
US4845288AJul 4, 1989
Process for the preparation of hydroxybenzaldoxime O-ethers
BAYER AG1 citations52
US4822912AApr 18, 1989
Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid
BAYER AG1 citations52
US4661640AApr 28, 1987
Substituted 5-cycloalkyl-2,2-di-methyl-pentan-3-ones
BAYER AG0 citations49
US4328223AMay 4, 1982
2-Amino-3a,4,5,6-tetrahydro-perimidine derivatives and their medicinal use in combatting circulatory diseases
BAYER AG1 citations44