Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2006-07-11
2006-07-11
Green, Anthony J. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S031280, C106S031600, C106S494000, C106S495000, C106S496000, C106S497000, C106S498000, C106S499000
Reexamination Certificate
active
07074267
ABSTRACT:
Pigment composition comprising an organic pigment and a combination of at least two normally water-soluble coloured compounds (dyes) of opposing charge, i.e. of at least one anionic and one cationic dye are provided. The compositions impart improved rheology on non-aqueous pigment based printing inks and paints.
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Coughlin Stephen John
Fraser Iain Frank
Healy Thomas
Niven Stuart Cook
Ciba Specialty Chemicals Corporation
Green Anthony J.
Suhadolnik Joseph C.
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