| 7851628 |
Conversion of perylene-3,4:9,10-tetracarboximides to a form suitable for use as fluorescent dyes |
Peter Erk, Simone Schaefer, Arno Boehm, Harald Arms, Willi Helfer |
2010-12-14 |
| 7799920 |
Method for producing perylene-3,4-dicarboxylic acid imides |
Martin Koenemann, Helmut Reichelt |
2010-09-21 |
| 7753967 |
Method for converting perylen-3,4:9,10-tetracarboxylic acid diimides into a form suitable for use as a fluorescent dye |
Peter Erk, Simone Schaefer, Arno Boehm, Harald Arms, Willi Helfer |
2010-07-13 |
| 7741487 |
Method for producing quaterrylene-3,4:13, 14-tetracarboxy diimides by direct synthesis |
Martin Koenemann, Arno Boehm, Hermann Bidlingmaier, Reinhold Rieger, Helmut Reichelt +1 more |
2010-06-22 |
| 7550606 |
9-cyano-substituted perylene-3,4-dicarboxylic acid monoimides |
Arno Boehm, Willi Helfer, Dirk Hammel, Peter Schlichting, Klaus Muellen |
2009-06-23 |
| 7446198 |
9-Cyano-substituted perylene-3, 4-dicarboxylic monoimides |
Arno Boehm, Willi Helfer, Dirk Hammel, Peter Schlichting, Klaus Muellen |
2008-11-04 |
| 7105674 |
Perylene-derivative based crystallization modifiers |
Claus Hackmann, Paul Guenthert, Anton Dotter |
2006-09-12 |
| 6980292 |
Method for the production of dyestuff pastes |
Claudia Sierakowski, Ines Mangels, Zenon Paul Czornij, Thomas Krüger, Peter Hoffmann +6 more |
2005-12-27 |
| 6850310 |
Cholesteric layered material having improved color stability, and the production thereof |
Frank Prechtl, Norbert Schneider, Frank Meyer, Sylke Haremza, Tilmann Hezel +2 more |
2005-02-01 |
| 6784301 |
Perylene-derivative based crystallization modifiers |
Claus Hackmann, Paul Gunthert, Anton Dotter |
2004-08-31 |
| 6784286 |
Transparent greenish yellow pyrazolone pigments |
Günter Smeyts, Paul Gunthert |
2004-08-31 |
| 6656543 |
Cholesteric layered material, and the production thereof |
Peter Schuhmacher, Norbert Schneider, Volker Richter, Wolfgang Best, Albert Kohl +1 more |
2003-12-02 |
| 6582781 |
Multilayer cholesteric pigments |
Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Gunter Bettinger +3 more |
2003-06-24 |
| 6531221 |
Multilayer cholesteric pigments |
Peter Schuhmacher, Norbert Schneider, Raimund Schmid, Wolfgang Best, Frank Meyer |
2003-03-11 |
| 6410130 |
Coatings with a cholesteric effect and method for the production thereof |
Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Gunter Bettinger +5 more |
2002-06-25 |
| 6326494 |
1,7-Diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides |
Arno Bohm, Harald Arms, Georg Henning |
2001-12-04 |
| 6184378 |
1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides |
Arno Bohm, Harald Arms, Georg Henning |
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, Georg Henning |
2000-11-07 |
| 6099636 |
N,N'-dimethylperylene-3,4,9,10-tetracarboxylic acid diimide pigments suitable for water-based paints |
Georg Henning, Arno Bohm |
2000-08-08 |
| 6063181 |
1,7-disubstituted perylene-3,4,9, 10-tetracarboxylic acids, their dianhydrides and diimides of said acids |
Arno Bohm, Harald Arms, Georg Henning |
2000-05-16 |
