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Inventor
LANDMANN BERND
DE
2 patents
Patents
2 patents
US4775451A
Oct 4, 1988
Preparation of water-soluble food-grade triphenylmethane colors
BASF AG
3 citations
60
US4904798A
Feb 27, 1990
(4-amino-2-hydroxyphenyl-1-oxoisoindolenines, preparation thereof and hydrolysis thereof to 2-(4-amino-2-hydroxybenzoyl)benzoic acids
BASF AG
6 citations
59