PIGMENT COMPOSITIONS FOR OIL-BASED LITHOGRAPHIC PRINTING INKS

Title:

PIGMENT COMPOSITIONS FOR OIL-BASED LITHOGRAPHIC PRINTING INKS

Document Type and Number:

WIPO Patent Application WO2004029167

Kind Code:

A8

Abstract:

Pigment compositions suitable for oil-based lithographic printing inks are provided which comprise besides an organic pigment, a hyperdispersant which is a poly-alkyleneiminepolyester adduct, a synergist agent which is a quaternary ammonium pigment derivative, a solvent which includes aliphatic/aromatic hydrocarbon distillates and vegetable oils, and optionally rosin or a modified rosin. The printing inks prepared from these pigment compositions show outstanding improvements in their rheological properties.

Inventors:

MARR ALASTAIR MCALPINE (GB)
WILLIAMSON DAVID ALLAN (GB)
ANDERSON EDWARD JAMES (GB)

Application Number:

PCT/EP2003/010394

Publication Date:

January 06, 2005

Filing Date:

September 18, 2003

Export Citation:

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Assignee:

CIBA SC HOLDING AG (CH)
MARR ALASTAIR MCALPINE (GB)
WILLIAMSON DAVID ALLAN (GB)
ANDERSON EDWARD JAMES (GB)

International Classes:

C09D11/02; C09B67/00; C09B67/20; (IPC1-7): C09D11/02; C09B67/00

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