P

Inventor

GRASER FRITZ

DE16 patents

Patents

16 patents
US4667417AMay 26, 1987

Preparation of aerogels

BASF AG117 citations96
US4446324AMay 1, 1984

Perylenetetracarboxylic acid diimides and their use

BASF AG44 citations92
US4429029AJan 31, 1984

Organic electrophotographic recording medium

BASF AG43 citations92
US4419427ADec 6, 1983

Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-(2',6'-dichlorophenyl)-diimide

BASF AG50 citations92
US4379934AApr 12, 1983

Process for two-dimensionally concentrating light, and novel perylene-3,4,9,10-tetracarboxylic acid diimides

BASF AG28 citations92
US4156757AMay 29, 1979

Electrically conductive perylene derivatives

BASF AG46 citations92
US4517270AMay 14, 1985

Electrophotographic recording medium

BASF AG19 citations82
US4262851AApr 21, 1981

Process for converting crude and/or coarsely crystalline perylenetetracarboxylic acid diimides to a pigmentary form

BASF AG25 citations81
US4725690AFeb 16, 1988

Perylene-3,4,9,10-tetracarboxylic acid diimide dye

BASF AG11 citations73
US4450273AMay 22, 1984

NN' Para methoxy benzyl perylene-3,4,9,10-tetracarboxylic acid diimide

BASF AG16 citations73
US4451654AMay 29, 1984

Conditioning of finely divided crude organic pigments

BASF AG12 citations71
US4368582AJan 18, 1983

Process for drying finely divided pigments

BASF AG18 citations71
US3941742AMar 2, 1976

Mass coloration of polyamides

BASF AG2 citations62
US4029468AJun 14, 1977

Transfer dyes

BASF AG0 citations52
US4240793ADec 23, 1980

Preparation of a high-hiding and deeply colored pigmentary form of perylene-3,4,9,10-tetracarboxylic acid bis-(4'-ethoxyphenyl)-imide

BASF AG1 citations51
US4145356AMar 20, 1979

Process of preparing pyranthrone pigments

BASF AG0 citations51