| 5547477 |
Dye mixtures with pyridoneazo dyes |
Arno Lange, Gunther Lamm, Helmut Reichelt, Dieter Wegerle |
1996-08-20 |
| 5502170 |
Azo dyes with an acetalized diazo component of the thiophene or thiazole series |
Sabine Gruettner-Merten, Helmut Reichelt, Arno Lange |
1996-03-26 |
| 5466790 |
Azo dyes with an acetalized diazo component of the thiophene or thiazole series |
Sabine Gruettner-Merten, Helmut Reichelt, Arno Lange |
1995-11-14 |
| 5382263 |
Blue dye mixtures of high brilliance |
Arno Lange, Sabine Gruettner-Merten, Helmut Reichelt |
1995-01-17 |
| 5364972 |
Preparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dye |
Norbert Zimmerman, Ralf Brueckmann, Gunther Lamm, Arno Lange, Helmut Reichelt |
1994-11-15 |
| 5330543 |
Thiopheneazo dyes with a coupling component of the diaminopyridine series |
Guenter Hansen, Gunther Lamm, Hermann Loeffler, Helmut Reichelt, Arno Lange +1 more |
1994-07-19 |
| 5318601 |
Dye mixtures containing azo and quinophthalone dyes |
Arno Lange, Gert Motzkus, Volker Walther |
1994-06-07 |
| 5270456 |
Azo dyes with A2-aminothiophene dye azo component and a coupling component and coupling component of the diphenylamine series |
Erwin Hahn, Guenter Hansen, Karl-Heinz Etzbach, Helmut Reichelt, Ernst Schefczik +1 more |
1993-12-14 |
| 5062861 |
Novel navy and black disperse dye mixtures including amino-phenyl thiophene azo disperse dye and red, yellow or orange disperse dyes |
Erwin Hahn, Guenter Hansen, Karl-Heinz Etzbach, Helmut Reichelt, Ernst Schefczik +2 more |
1991-11-05 |
| 4925954 |
Vat dye based on flouranthene |
Manfred Patsch, Gerhard Epple, Helmut Flohr, Uwe Nahr |
1990-05-15 |
| 4908041 |
Navy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dye |
Erwin Hahn, Guenter Hansen, Karl-Heinz Etzbach, Helmut Reichelt, Ernst Schefczik +2 more |
1990-03-13 |
| 4537597 |
Navy blue mixtures of disperse mono-azo dyes for cellulose acetate |
Udo Bergmann, Guenter Hansen, Reinhold Krallmann, Hans Weber |
1985-08-27 |
| 4486198 |
Navy dye mixtures |
Ernst Becker, Udo Bergmann, Guenter Hansen, Reinhold Krallmann |
1984-12-04 |
| 4464181 |
Mixtures of benzisothiazole mono-azo dyes for cellulose acetate |
Johannes P. Dix, Norbert Grund, Guenter Hansen, Reinhold Krallmann |
1984-08-07 |
| 4405330 |
Navy disperse dye mixtures |
Udo Bergmann, Guenter Hansen, Reinhold Krallmann, Wolf-Dieter Kermer |
1983-09-20 |
| 4389216 |
Navy dye mixtures |
Udo Bergmann, Guenter Hansen, Reinhold Krallmann, Wolf-Dieter Kermer |
1983-06-21 |
| 4386934 |
Navy dye mixtures |
Udo Bergmann, Guenter Hansen, Reinhold Krallmann, Wolf-Dieter Kermer |
1983-06-07 |
