| 7807836 |
Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides |
Bernhard Dung, Felix Mueller, Arno Boehm, Willi Helfer, Volker Weyrauch |
2010-10-05 |
| 7393956 |
Method for the production of perylen-3,4:9,10-tetracarboxylic acid diimides and perylen-3,4:9,10-tetracarboxylic acid dianhydride and naphtalene-1,8-dicarboxylimides |
Bernhard Dung, Felix Mueller, Arno Boehm, Willi Helfer, Volker Weyrauch |
2008-07-01 |
| 6326494 |
1,7-Diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides |
Arno Bohm, Harald Arms, Peter Blaschka |
2001-12-04 |
| 6184378 |
1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides |
Arno Bohm, Harald Arms, Peter Blaschka |
2001-02-06 |
| 6143905 |
1,7-diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides |
Arno Bohm, Harald Arms, Peter Blaschka |
2000-11-07 |
| 6136976 |
Process for producing perylene-3, 4-dicarboxylic acid imides |
Arno Boehm, Harald Arms, Willi Helfer |
2000-10-24 |
| 6099636 |
N,N'-dimethylperylene-3,4,9,10-tetracarboxylic acid diimide pigments suitable for water-based paints |
Peter Blaschka, Arno Bohm |
2000-08-08 |
| 6084099 |
Preparation of N,N'-dialkylperylene-3,4,9,10-tetracarboxylic acid diimides |
Claus Hackmann, Michael Acker, Siegfried Mensch |
2000-07-04 |
| 6063181 |
1,7-disubstituted perylene-3,4,9, 10-tetracarboxylic acids, their dianhydrides and diimides of said acids |
Arno Bohm, Harald Arms, Peter Blaschka |
2000-05-16 |
| 5484901 |
Isoindolineazo pigments |
Michael Krapp |
1996-01-16 |
| 5472494 |
Pigment preparation with perylene derivatives as dispersants |
Josef Hetzenegger, Peter Erk |
1995-12-05 |
| 5320647 |
Fluent polyazo dye preparations and method of dying leather or wool therewith |
Georg Zeidler, Ortwin Schaffer |
1994-06-14 |
| 5131981 |
Coloring paper |
Erwin Hahn, Manfred Mielke, Hans-Juergen Degen, Sigberg Pfohl |
1992-07-21 |
| 4846892 |
Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment and its use |
Erwin Hahn, Peter Hauser, Manfred Patsch |
1989-07-11 |
| 4645539 |
Transparent isoindoline pigment having a high color strength |
Wolfgang Lotsch |
1987-02-24 |
| 4599113 |
Isoindoline pigment having a high color strength |
Wolfgang Lotsch |
1986-07-08 |
| 4594411 |
Sulfonated monoazo colorant lake obtained by di-azo coupling of 5-acetylamino-2-aminobenzene-1-sulfonic acid with 1-(3'-sulfophenyl)-3-methylphyrazol-5-one |
— |
1986-06-10 |
| 4354969 |
Dye mixtures |
Bertold Honigmann, Gunther Lamm |
1982-10-19 |
| 4316023 |
Isoindoline colorants |
Wolfgang Lotsch |
1982-02-16 |
| 4264488 |
Coloring of thermoplastics |
Paul Guenthert |
1981-04-28 |
| 4248635 |
High-hiding calcium color lakes having great full-shade brillance and improved lightfastness |
Paul Guenthert |
1981-02-03 |
