Inventor

ROBERTSON GEORGE HEDDLE

4 patents

Patents

4 patents

US4015999AApr 5, 1977

Pigment compositions

CIBA GEIGY CORP42 citations88

US4119478AOct 10, 1978

Pigment composition

CIBA GEIGY CORP13 citations70

US4028128AJun 7, 1977

Pigment dispersions

CIBA GEIGY CORP13 citations70

US4055440AOct 25, 1977

Pigment compositions

CIBA GEIGY CORP16 citations69