| 4845214 |
Process for conditioning isoindoline pigments |
Reinhard Kemper |
1989-07-04 |
| 4785114 |
Quinophthalone dyes |
Peter Neumann, Heinrich Kowarsch |
1988-11-15 |
| 4758663 |
Isoindoline compound |
Hans Scherer, Gustav Bock |
1988-07-19 |
| 4746740 |
Isoindoline colorants |
Reinhard Kemper |
1988-05-24 |
| 4725685 |
Novel isoindoline compounds, their metal complexes and their use as pigments |
— |
1988-02-16 |
| 4723023 |
Isoindoline dyes |
Erwin Hahn, Reinhard Kemper |
1988-02-02 |
| 4719300 |
Isoindoline colorants |
— |
1988-01-12 |
| 4707548 |
Bisisoindoline pigments |
Gustav Bock, Peter Neumann |
1987-11-17 |
| 4645539 |
Transparent isoindoline pigment having a high color strength |
Georg Henning |
1987-02-24 |
| 4599113 |
Isoindoline pigment having a high color strength |
Georg Henning |
1986-07-08 |
| RE31986 |
Manufacture of organic pigments |
— |
1985-09-17 |
| 4525591 |
2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted isoindoline dyes and their use |
Reinhard Kemper, Ernst Schefczik |
1985-06-25 |
| 4480097 |
Isoindoline colorants |
Reinhard Kemper |
1984-10-30 |
| 4412949 |
Pigments comprising cyanomethylquinazolones coupled to diazo compounds prepared from 1-aminoanthroquinones |
Peter Dimroth |
1983-11-01 |
| 4401815 |
Isoindoline colorants |
Reinhard Kemper, Gustav Bock, Wolfgang Elser |
1983-08-30 |
| 4398027 |
Preparation of pigmentary form isoindoline |
Peter Hilbert |
1983-08-09 |
| 4371735 |
Preparation of pigments having improved technological properties |
Hans Scherer, Gustav Bock |
1983-02-01 |
| 4356123 |
Sparingly soluble isoinodoline colorants |
— |
1982-10-26 |
| 4352932 |
Isoindoline colorants |
Reinhard Kemper, Ernst Schefczik |
1982-10-05 |
| 4340735 |
Isoindoline colorants |
Reinhard Kemper |
1982-07-20 |
| 4316023 |
Isoindoline colorants |
Georg Henning |
1982-02-16 |
| 4311527 |
Isoindoline colorants |
— |
1982-01-19 |
| 4271301 |
Preparation of pigmentary form isoindoline |
Peter Hilbert |
1981-06-02 |
| 4271309 |
Isoindoline colorants |
— |
1981-06-02 |
