Inventor

HARTMANN LUDWIG A

14 patents

Patents

14 patents

US5053516AOct 1, 1991

Synthesis of 2-substituted-5-methylpyridines from methylcyclobutanecarbonitrile, valeronitrile and pentenonitrile intermediates

ICI AMERICA INC43 citations92

US4473696ASep 25, 1984

Synthesis of 2-substituted-5-methyl-pyridines

ICI AMERICA INC25 citations82

US4156068AMay 22, 1979

High molecular weight polyethersulfones

ICI AMERICA INC21 citations81

US4153621AMay 8, 1979

Glycidyl ethers derived from 3,3',5,5'-tetraalkyl-4,4'-dihydroxybiphenyl

ICI AMERICA INC25 citations81

US4072656AFeb 7, 1978

Glycidyl ethers derived from 3,3',5,5'-tetraalkyl-4,4'-dihydroxybiphenyl

ICI AMERICA INC27 citations81

US4584380AApr 22, 1986

Synthesis of 2-substituted-5-methyl-pyridines and intermediates therefor

ICI AMERICA INC11 citations73

US4060532ANov 29, 1977

Halogenated dioxolane tranquilizers

ICI AMERICA INC14 citations73

US4965394AOct 23, 1990

Difunctional polyfluoroaromatic derivatives and a process of preparing the same

ICI AMERICA INC3 citations62

US4866185ASep 12, 1989

Difunctional polyfluoroaromatic derivatives and a process of preparing the same

ICI AMERICA INC3 citations62

US4783547ANov 8, 1988

Polyfluoroaromatic nitriles

ICI AMERICA INC4 citations62

US4687854AAug 18, 1987

Bispiperidone precursor of 2-substituted-5-methyl-pyridines

ICI AMERICA INC3 citations62

US4658031AApr 14, 1987

Synthesis of 2-substituted-5-methyl-pyridines and intermediates therefor

ICI AMERICA INC3 citations62

US4280965AJul 28, 1981

Preparation of cyano substituted benzyl esters

ICI AMERICA INC4 citations62

US3996376ADec 7, 1976

Halogenated dioxolane tranquilizers

ICI AMERICA INC3 citations62