Title:
TRANSPARENT GREENISH YELLOW PYRAZOLONE PIGMENTS
Document Type and Number:
WIPO Patent Application WO2002048266
Kind Code:
A3
Abstract:
The invention relates to pyrazolone pigments of general formula (I), wherein the radicals R<1>, R<2>, R<3> and R<4> independently represent hydrogen, chlorine, methyl or ethyl, whereby at least one of the radicals R<1> - R<4> is different from hydrogen. The inventive pigments are characterised by a CIELAB colour angle of 80 - 85 DEG , a chroma of 58 - 62 and a luminosity >/= 87 (measuring angle 45 DEG , standard illuminant D65).
Inventors:
BLASCHKA PETER (DE)
SMEYTS GUENTER (DE)
GUENTHERT PAUL (DE)
SMEYTS GUENTER (DE)
GUENTHERT PAUL (DE)
Application Number:
PCT/EP2001/014510
Publication Date:
October 24, 2002
Filing Date:
December 11, 2001
Export Citation:
Assignee:
BASF AG (DE)
BLASCHKA PETER (DE)
SMEYTS GUENTER (DE)
GUENTHERT PAUL (DE)
BLASCHKA PETER (DE)
SMEYTS GUENTER (DE)
GUENTHERT PAUL (DE)
International Classes:
C09B29/50; C09B63/00; (IPC1-7): C09B29/50; C09B63/00
Domestic Patent References:
| WO1996022333A1 | 1996-07-25 |
Foreign References:
| EP0263074A2 | 1988-04-06 | |||
| EP0397190A1 | 1990-11-14 | |||
| EP0553965A1 | 1993-08-04 | |||
| EP0073972A1 | 1983-03-16 | |||
| EP0126405A1 | 1984-11-28 | |||
| DE2616981A1 | 1977-10-27 |
Download PDF:
Previous Patent: POLYCARBONATE-POLYESTER COMPOSITIONS WITH ENHANCED FLOW
Next Patent: TOLUENE SULFONIC ACID SWELLING OF PERYLENE PIGMENTS
Next Patent: TOLUENE SULFONIC ACID SWELLING OF PERYLENE PIGMENTS