Inventor
SCHROEDER GUNTER-RUDOLF
DE15 patents
Patents
15 patentsUS6933371B2Aug 23, 2005
Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid
BASF AG6 citations73
US5175260ADec 29, 1992
Disazo dyes with hydroxysulfonylnaphthalene coupling components
BASF AG9 citations73
US6533826B1Mar 18, 2003
Method for producing aqueous solutions of cationic diarylmethane colorants and triarylmethane colorants
BASF AG12 citations72
US5051504ASep 24, 1991
Doubled triphenylmethane dyes having bis acylpiperazine linkage
BASF AG10 citations72
US7108727B2Sep 19, 2006
Reactive dyes and the use thereof for dyeing substrates containing nucleophilic groups
BASF AG4 citations62
US6989036B2Jan 24, 2006
Reactive dyes and use thereof for dyeing substrates containing nucleophilic groups
BASF AG3 citations62
US6114512ASep 5, 2000
Oligomeric azo dyes
BASF AG4 citations62
US6048969AApr 11, 2000
Cationic sulfonic acid dyes
BASF AG3 citations62
US7160336B2Jan 9, 2007
Liquid formulations of direct dyes
BASF AG2 citations61
US7331998B2Feb 19, 2008
Liquid formulations of direct dyes
BASF AG2 citations60
US7847073B2Dec 7, 2010
Method for producing a liquid formulation of salts of sulphonic-acid azo dyes
BASF AG1 citations51
US5478940ADec 26, 1995
Double benzimidazoles
BASF AG0 citations51
US5478948ADec 26, 1995
Benzimidazoles and their use as charger stabilizers
BASF AG1 citations51
US5338639AAug 16, 1994
Electrostatic toner containing a keto compound as a charge stabilizer
BASF AG1 citations51
US6153734ANov 28, 2000
Oligomer azo colorants
BASF AG0 citations41