| 6160169 |
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid |
Armin Haag, Hellmut Kast, Peter Krotzsch |
2000-12-12 |
| 6036760 |
Use of aqueous liquid dye concentrates comprising a disazo dye in the inkjet process and also disazo dyes |
— |
2000-03-14 |
| 5892105 |
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid |
Armin Haag, Hellmut Kast, Peter Krotzsch |
1999-04-06 |
| 5847113 |
Preparation of sulfo-containing copper phthalocyanine dyes |
— |
1998-12-08 |
| 5770708 |
Preparation of phenylazonaphthalenes |
— |
1998-06-23 |
| 5597905 |
Preparation of benzothiazolylazoanilines |
— |
1997-01-28 |
| 5531797 |
Aqueous dye preparations containing coumarin dyes |
Walter Breitschaft |
1996-07-02 |
| 5431723 |
Use of liquid preparations of a disazo dye in the ink jet process and the diazo dye |
Rainer Dyllick-Brenzinger, Karin H. Beck |
1995-07-11 |
| 5424403 |
Preparation of aminoazo dyes |
Heinz Keilhauer |
1995-06-13 |
| 5173086 |
Concentrated aqueous solutions of 2-phenylbenzothiazoleazo dyes with mixed cations |
— |
1992-12-22 |
| 4804387 |
Liquid black dye mixture |
Hans-Juergen Degen, Sigberg Pfohl |
1989-02-14 |
| 4668789 |
Liquid dye salts |
— |
1987-05-26 |
| 4560745 |
Preparation of dyes which contain sulfonic acid groups and have a low electrolyte content |
Volkmar Weberndoerfer, Friedrich Brunnmueller, Manfred Eisert |
1985-12-24 |
