Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2005-06-20
2009-11-24
Green, Anthony J (Department: 1793)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S031770, C524S100000, C544S251000
Reexamination Certificate
active
07621994
ABSTRACT:
The present invention relates to a pigment preparation that comprises, as component (A), 2,4,5,7-tetraminopyrimido[5,4g]pteridine of formula (1), as component (B), a phosphate compound, and optionally, as component (C), further additives, to a process for the production thereof and to the use thereof for colouring high molecular weight organic material and in the production of printing colorants, printing pastes or printing inks.
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patent: 6120956 (2000-09-01), Eichenberger et al.
patent: 6126735 (2000-10-01), Eichenberger et al.
patent: 6600042 (2003-07-01), Eichenberger et al.
patent: 98/18866 (1998-05-01), None
patent: 99/55707 (1999-11-01), None
patent: 00/31079 (2000-06-01), None
Bugnon Philippe
Hahn Marcel
Karrer Karin
Sieber Werner
Ciba Specialty Chemicals Corporation
Green Anthony J
Suhadolnik Joseph C.
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