Inventor
BERMES RUDOLF
DE14 patents
Patents
14 patentsUS5431723AJul 11, 1995
Use of liquid preparations of a disazo dye in the ink jet process and the diazo dye
BASF AG30 citations92
US4804387AFeb 14, 1989
Liquid black dye mixture
BASF AG7 citations73
US5770708AJun 23, 1998
Preparation of phenylazonaphthalenes
BASF AG15 citations72
US5173086ADec 22, 1992
Concentrated aqueous solutions of 2-phenylbenzothiazoleazo dyes with mixed cations
BASF AG14 citations72
US4058517ANov 15, 1977
Preparation of a concentrated solution of an anionic azo dye containing a sulfonic acid group
BASF AG16 citations72
US4560745ADec 24, 1985
Preparation of dyes which contain sulfonic acid groups and have a low electrolyte content
BASF AG17 citations71
US5847113ADec 8, 1998
Preparation of sulfo-containing copper phthalocyanine dyes
BASF AG4 citations61
US4668789AMay 26, 1987
Liquid dye salts
BASF AG4 citations61
US6160169ADec 12, 2000
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
BASF AG2 citations60
US5531797AJul 2, 1996
Aqueous dye preparations containing coumarin dyes
BASF AG2 citations60
US6036760AMar 14, 2000
Use of aqueous liquid dye concentrates comprising a disazo dye in the inkjet process and also disazo dyes
BASF AG1 citations51
US5892105AApr 6, 1999
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
BASF AG1 citations49
US5424403AJun 13, 1995
Preparation of aminoazo dyes
BASF AG0 citations42
US5597905AJan 28, 1997
Preparation of benzothiazolylazoanilines
BASF AG0 citations40