Abstract: The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.

Abstract: The present invention relates to a process of preparing quinacridone by oxidizing a 6,13-dihydroquinacridone salt corresponding to the quinacridone pigment with hydrogen peroxide as the oxidizing agent in the presence of 2,7-anthraquinone disulfonic acid as catalyst. The inventive process is economical and environmentally friendly and yields high performance quinacridone pigments in a high yield.

Abstract: The present invention relates to black pigment compositions comprising (a) carbon black, and (b) a compound of the formula (MO3S)m-Q(CH2)k—X]n,??(I) wherein Q is a pigment or pigment intermediate radical selected from the group of anthraquinone, perinone, perylene, diketopyrrolopyrrole, thioindigo, iminoisoindoline, iminoisoindolinone, quinacridone, 6,13-dihydroquinacridone, flavanthrone, dioxazine, indanthrone, anthrapyrimidine and quinophthalone, X is a cyclo hetero aliphatic group with at least one 5 or 6 atom ring or a hetero aromatic group with at least one 6 atom ring, M is hydrogen, a metal cation or nitrogen cation, k is 0 or 1, and m and n are each independently of the other from 0 to 4, wherein 0 and 4 are not simultaneously 0. Compositions are useful for coloring high molecular weight material, like inks, plastics and in particular automotive coatings.

Abstract: The present invention relates to IR reflective black pigment compositions comprising a halogenated copper phthalocyanine such as C.I. Pigment Green 7 and a perylenetetracarboxylic acid diimide such as C.I. Pigment Violet 29. The compositions are characterized by an IR reflection spectrum with a positive slope in the wavelength range between 800 and 900 nm when incorporated as coloring agents in coatings or plastics. The inventive IR reflective black pigment compositions are useful for coloring high molecular weight materials like coatings, inks and plastics.

Abstract: The present invention relates to the use of a pigment form or pigment concentrate comprising of an organic pigment, a growth-promoting additive, and optionally inorganic filler and/or an organic additive for coloring of seeds. Seeds colored by the dry pigment forms or pigment concentrates show homogeneous color and in some cases growth promotion effects.

Abstract: The present invention relates to a process of preparing quinacridone by oxidizing a 6,13-dihydroquinacridone salt corresponding to the quinacridone pigment with hydrogen peroxide as the oxidizing agent in the presence of 2,7-anthraquinone disulfonic acid as catalyst. The inventive process is economical and environmentally friendly and yields high performance quinacridone pigments in a high yield.

Abstract: The invention relates to black pigment compositions comprising green phthalocyanines, especially C.I. Pigment Green 7, and at least one second, preferably organic pigment that are subject to a co-milling process. The inventive black pigment compositions are useful for coloring high molecular weight material, like coatings, inks and plastics, especially in combination with effect pigments.

Abstract: A mixture of an organic nanosize pigment comprising of from 50 to 99% by weight of the nanosize pigment and 1 to 50% by weight based of a low molecular weight naphthalene sulfonic acid formaldehyde polymer and its use as a particle growth and crystal phase director for the preparation of a direct pigmentary organic pigment or in pigment finishing.

Abstract: A mixture of an organic nanosize pigment comprising of from 50 to 99% by weight of the nanosize pigment and 1 to 50% by weight based of a low molecular weight naphthalene sulfonic acid formaldehyde polymer and its use as a particle growth and crystal phase director for the preparation of a direct pigmentary organic pigment or in pigment finishing.

Abstract: The present invention relates to IR reflective black pigment compositions comprising a halogenated copper phthalocyanine such as C.I. Pigment Green 7 and a perylenetetracarboxylic acid diimide such as C.I. Pigment Violet 29. The compositions are characterized by an IR reflection spectrum with a positive slope in the wavelength range between 800 and 900 nm when incorporated as coloring agents in coatings or plastics. The inventive IR reflective black pigment compositions are useful for coloring high molecular weight materials like coatings, inks and plastics.

Abstract: A new high chroma, opaque gamma 2,9-dichloroquinacridone pigment specified by its particle shape and size and characterized by C.I.E color space values in masstone, and a process for its preparation is dislosed. The new gamma 2,9-dichloroquinacridone pigment is especially useful for coloring coating compositions, such as automotive paints, and plastics.

Abstract: A novel method for the preparation of a beta quinacridone pigment is described by the oxidation of 6,13-dihydroquinacridone in the presence of polyvinyl pyrrolidone, a catalyst and optionally a particulate quinacridone or particle growth inhibitor using hydrogen peroxide as the oxidant.

Abstract: The present invention relates to black pigment compositions comprising (a) carbon black, and (b) a compound of the formula (MO3S)m-Q?(CH2)k—X]n??(I), wherein Q is a pigment or pigment intermediate radical selected from the group of anthraquinone, perinone, perylene, diketopyrrolopyrrole, thioindigo, iminoisoindoline, iminoisoindolinone, quinacridone, 6,13-dihydroquinacridone, flavanthrone, dioxazine, indanthrone, anthrapyrimidine and quinophthalone, X is a cyclo hetero aliphatic group with at least one 5 or 6 atom ring or a hetero aromatic group with at least one 6 atom ring, M is hydrogen, a metal cation or nitrogen cation, k is 0 or 1, and m and n are each independently of the other from 0 to 4, wherein 0 and 4 are not simultaneously 0. Compositions are useful for coloring high molecular weight material, like inks, plastics and in particular automotive coatings.

Abstract: The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.

Abstract: The present invention relates to pigment preparations comprising polyamide particles with an average particle size of below 50 &mgr;m and a pigment of an average particle size below 0.2 &mgr;m. The inventive pigment preparations are useful for coloring high molecular weight material, like coatings, inks and in particular plastics like polyvinyl chloride, polyamide, polyester, polycarbonate and, especially polyamide fibers.

Abstract: A mixture of an organic nanosize pigment comprising of from 50 to 99% by weight of the nanosize pigment and 1 to 50% by weight based of a low molecular weight naphthalene sulfonic acid formaldehyde polymer and its use as a particle growth and crystal phase director for the preparation of a direct pigmentary organic pigment or in pigment finishing.

Abstract: The present invention relates to pigmentary compositions comprising polyamide particles with an average particle size of below 50 &mgr;m and optionally a dye precipitate. The inventive pigmentary compositions are useful for coloring high molecular weight material, like coatings, inks and in particular plastics like polyvinyl chloride, polyamide, polyester, polycarbonate and, especially polyamide fibers.

Abstract: A novel method for the preparation of a beta quinacridone pigment is described by the oxidation of 6,13-dihydroquinacridone in the presence of polyvinyl pyrrolidone, a catalyst and optionally a particulate quinacridone or particle growth inhibitor using hydrogen peroxide as the oxidant.

Abstract: A high chroma, opaque gamma 2,9-dichloroquinacridone pigment specified by its particle shape and size and characterized by C.I.E. color space values in masstone, and a process for its preparation is disclosed. The new gamma 2,9-dichloro-quinacridone pigment is especially useful for coloring coating compositons, such as automotive paints, and plastics.

Abstract: The present invention relates to pigment preparations comprising polyamide particles with an average particle size of below 50 &mgr;m and a pigment of an average particle size below 0.2 &mgr;m. The inventive pigment preparations are useful for coloring high molecular weight material, like coatings, inks and in particular plastics like polyvinyl chloride, polyamide, polyester, polycarbonate and, especially polyamide fibers.