Matches 51 - 100 out of 267 < 1 2 3 4 5 6 >
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6589330 Halogen-free green pigment composition  
Disclosed herein is a green pigment composition comprising (a) a green pigment comprising a mixture of fine particles of a halogen-free blue pigment and fine particles of a halogen-free yellow...
6582510 Use of comb-branched copolymers as pigment dispersants  
A pigment dispersion suitable for use in the manufacture of pigmented coating compositions is provided. The pigment dispersion comprises a) pigment, b) carrier, and c) an acrylic/polyether...
6562121 Conditioning of organic pigments  
Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.
6544325 Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it  
The present invention relates to pigmentary solid solutions comprising copper phthalocyanine (Pigment Blue 15; C.I. 74160) as host and other blue to violet pigments as guests. Preferred hosts are...
6537362 Polyphosphoric acid swelling of organic pigments  
A method of conditioning an organic crude pigment by treating, under high shear, 1 part by weight of the crude pigment and about 0.5 to 1.9 parts by weight of polyphosphoric acid or polyphosphoric...
6533860 Process for preparing green pigment composition containing no halogen  
A method for preparing a green pigment composition in which a mixture of a halogen-free organic blue pigment material and a halogen-free organic yellow pigment material are subjected to an...
6524382 Pigmented vitreous material  
The present application relates to a process for the manufacture of pigmented vitreous materials, as well as to pigmented vitreous materials, characterized by the use of soluble pigment precursors...
6521671 Micelle dispersion and method for preparation thereof  
A micelle dispersion containing hydrophobic particles, conductive particles and a surfactant of a ferrocene derivative dispersed in an aqueous medium. The surfactant of a ferrocene derivative in an...
6521038 Near-infrared reflecting composite pigments  
A near-infrared reflecting composite pigment comprises a near-infrared non-absorbing colorant and a white pigment coated with the near-infrared non-absorbing pigment. The near-infrared reflecting...
6506245 Ink jet inks, inks, and other compositions containing colored pigments  
Colored pigments having one or more desired parameters and/or properties are described. These parameters and/or properties include: a) a particles size of from about 10 nm to about 300 nm; b) an...
6503317 Dye based aqueous pigment dispersions  
Aqueous based pigment dispersions wherein the pigment is dispersed in a dispersant dye in the absence of any other dispersant or additive and aqueous based printing ink compositions containing...
6485558 Process for the preparation of pigment granules  
The invention relates to a process for the preparation of pigment granules, which comprises adding a wax or a waxy polymer to an organic pigment during the finish in an organic or aqueous organic...
6471762 Bonded metal-hydroxide-organic composite polymer films on lamellar pigments  
Colored lustrous pigments of superior quality are prepared by dry blending a platy substrate such as a metal oxide-coated mica nacreous pigment and a hydrophobic colorant at low shear. The...
6468341 Pigment compositions, production process thereof, colorants, and colored articles  
A pigment composition comprises a wet-ground pigment mixture of (A) ε-copper phthalocyanine and (B) at least one pigment selected from a group consisting of condensed polycyclic pigments and azo...
6451103 Self-dispersible aqueous pigment dispersion  
There is disclosed a self-dispersible aqueous pigment dispersion and preparing method thereof, the dispersion comprising an aqueous solution, particles of a pigment and a water-soluble pigment...
6413309 Pigment preparations comprising two or more perylene compounds  
Pigment preparations comprising a) at least one organic base pigment, b1) at least one perylene pigment dispersant of the formula (I) and b2) at least one acidic, carboxyl- or sulfo-containing...
6410619 Method for conditioning organic pigments  
This invention relates to a process for preparing conditioned organic pigments by (a) milling a mixture comprising: (1) one or more crude organic pigments; (2) at least about 0.1% by weight,...
6398858 Process for preparing colored pigments  
The present invention relates to a process for preparing surface-modified colored pigments. The process includes the steps of: preparing a reaction batch comprising a treating agent and a...
6379451 Pigment composition and aqueous pigment dispersion product using the same  
There are disclosed a pigment composition comprising a dry-milled pigment, a water-soluble resin, and a nonionic surfactant composed of a compound having an acetylenic linkage; and a method for...
6368399 Composite pigments, coloring compositions, and image recording substances  
A composite pigment of a bluish green color comprises copper phthalocyanine and aluminum phthalocyanine which are preferably in the form of a mixture or solid solution. The composite pigment can be...
6332918 Phthalocyanine compounds for ink-jet printing  
Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: ##STR1## which comprises any form of the compound: such as salt;...
6312514 Use of diol alkoxylates as additives for the production of pigment concentrates  
Pigment concentrates comprising a pigment, a liquid carrier medium and a diol alkoxylate of the general formulae (I), (II) and/or (III) are described in conjunction with methods of preparing the...
6312513 Pigment concentrates containing dimerdiolalkoxylate additives, and methods of preparing same  
Pigment concentrates comprising a pigment, a liquid carrier medium and a dimerdiolalkoxylate, wherein a dimer portion of the dimerdiolalkoxylate comprises from about 36 to about 44 carbon atoms,...
6306938 Production process  
The present invention provides a process for the production of pigmentary copper phthalocyanine in the beta crystalline phase comprising: a) dry or aqueous milling of crude copper phthalocyanine...
6251177 Solid phthalocyanine preparations  
Solid preparations of metal-containing or metal-free phthalocyanine dyes, a) which have an average particle size of greater than 100 μm, and b) which have a pH of greater than or equal to 10...
RE37191 Process for preparing pigment composition, pigment composition and its use  
According to the present invention, a resin is added to crude copper phthalocyanine comprising an α-form and a β-form crystals in combination and dry-milling is performed in a deoxygenated...
6235097 Phthalocyanine compounds used in inks for ink jet printing  
Suitable phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: ##STR1## which comprises any form of the compound: such as...
6221279 Pigment particles for invisible marking applications  
A pigment composition includes a crystalline thermoplastic polyester resin having residues of at least one dicarboxylic acid and a near-infrared fluorescing compound having a fluorescence between...
6221150 Perylene compounds and pigment preparations  
The present invention relates to pigment dispersants of the formula (I) ##STR1## in which Z 1 is a radical of the formula (Ia) --[X--Y] q --[X 1 --Y 1 ] r --[X 2 --NH] s H (Ia) in...
6218533 Method for manufacturing pigment, electrophotographic photoconductor using the pigment and electrophotographic image forming method and apparatus using the photoconductor  
A method of manufacturing an organic pigment including the steps of providing an organic pigment wet cake which includes at least an organic pigment and a solvent and drying the organic pigment wet...
6200378 Thiazine indigo pigments, solid solutions thereof and their preparation  
A compound according to the formula (I) ##STR1## wherein R 1 and R 2 are independently the atoms necessary to complete the formation of a substituted or unsubstituted aromatic or aliphatic...
6156116 Conversion of crude phthalocyanine blue from red to green shade in an aqueous environment  
A method for converting crude phthalocyanine blue from red to green by milling a dispersion of the crude phthalocyanine and an aqueous medium containing a particulate grinding aid and a surfactant...
6124379 Method for preparing a pigment for polyvinylchloride coloring  
A system providing desirable properties for introducing a pigment to a polar polymer such as polyvinylchloride resin is disclosed. The system also is valuable in that pigments are conveniently...
6123763 Pigment dispersing agent and pigment composition containing the same  
A colorless or only slightly colored pigment dispersing agent which is feasible as a pigment dispersing agent for pigments having various hues and has the general formula (1), ##STR1## wherein R 1...
6113683 Colored pearlescent pigments  
Colored pearlescent pigment comprising a pearlescent pigment and a second pigment, characterized in using an adhesion promotor for the mutual adsorbance of the pearlescent pigment and the second...
6083315 Agglomerated pigment, process for producing the same, aqueous pigment dispersion, and water-based ink composition  
An agglomerated pigment comprises (1) an organic pigment compound, (2) either a sulfonated organic pigment compound obtained by incorporating at least one sulfonic group into the organic pigment...
6063182 Stir-in pigment compositions  
A stir-in pigment composition for coloring high-molecular-weight material, particularly coatings and ink systems, comprises 85 to 99.5 parts by weight of a pigment and 0.5 to 15 parts by weight of...
6051060 Method of making pigment with increased hydrophilic properties  
A method for making coated pigment particles by forming a suspension of the desired pigment particles in a medium that also comprises a polymer characterized by having hydrophobic moieties on the...
6022911 Surface-treated color pigment, colored substrate particles and production process thereof  
Colored substrate particles which are mainly used in metallic finish of automobiles, domestic electrical articles, tools and the like, decorative finish of plastics, printing ink and the like are...
6010567 Black-pigmented structured high molecular weight material  
This invention relates to a black-pigmented high molecular weight organic material which is structured from a radiation-sensitive precursor by irradiation, the pigmentation of which material...
5997627 Pigment composition and effect coatings  
The disclosure describes pigment compositions containing a small particle size porous filler and a pigment, and their use for preparing effect coating compositions which produce thin film finishes...
5985019 Pigments  
A process for the manufacture of a pigment concentrate which comprises dispersing dry organic pigment granules in an organic vehicle.
5964935 Initiator-treated pigment particles and method for preparing same  
Initiator-treated pigment particles for use in making polymer coated pigment particles, are made up of a plurality of pigment particles. Each of the pigment particles has an outer surface that is...
5964929 Process for the production of ink concentrates  
A process for the preparation of an ink concentrate which comprises (a) milling a crude metal phthalocyanine to reduce the particle size thereof, thereby forming a modified crude metal...
5944887 Transformation of crude halogenated copper phthalocyanine pigments into a useful pigmentary state  
A process for transforming crude halogenated copper phthalocyanine pigments having a chlorine content of from 4 to 50.3% by weight into a useful pigmentary state comprises treating the crude...
5942028 Process for producing printing ink  
High quality β-form copper phthalocyanine pigment printing ink is produced by the present method, this method reducing the large amount of time and labor required in the process of pigmentation of...
5931997 Copper phthalocyanine pigment  
A new copper phthalocyanine pigment characterized by masstone and tint reflection spectra is disclosed. The new copper phthalocyanine pigment is especially useful for coloring coating compositions,...
5922123 Method for conditioning organic pigments  
This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200° C., with (1) at least about 0.1% by weight, relative to the...
5922122 Pigment-dispersed composition  
A composition containing an organic pigment and a compound having the formula (I): ##STR1## in which R 1 is a group having the formula (II): ##STR2## in which R 4 and R 5 represent hydrogen or...
5912283 Surface-treated color pigment, colored substrate particles and production process thereof  
Colored substrate particles which are mainly used in metallic finish of automobiles, domestic electrical articles, tools and the like, decorative finish of plastics, printing ink and the like are...
Matches 51 - 100 out of 267 < 1 2 3 4 5 6 >