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Class 106/412 - Special process of milling, grinding, comminuting, plural stage or zone mixing or product


Subclass of Class 106 - Compositions: coating or plastic
Definition: Subject matter wherein there is recited a specific method
No. of patents: 178
Last issue date: 04/10/2012


1          
NumberTitleIssue Date
8152915Process for preparation of a novel pigmented composition for use in gravure inks
The invention pertains to a novel, simpler dry-milling method for comminuting crude pigments (especially crude phthalocyanines) for use in publication gravure and packaging inks, wherein the crude pigment is dry-milled at relatively low temperature in combination wi...
04/10/2012
7585363Method for preparing nanodispersions of fluorinated phthalocyanine pigments
A method for preparing a nanodispersion comprising the steps of: (i) introducing into a milling apparatus a solid fluorinated phthalocycanine pigment according to Formula (I): Wherein M is a metal cation chosen from Groups ...
09/08/2009
7569106Method for producing β copper phthalocyanine blue pigments and use thereof
The invention relates to a method for producing an aqueous suspension of pure-phase β-copper phtalocyanine blue pigment using an agitator ball mill. According to said method: a) in a preparatory step, a phthalocyanine crude blue is suspended by means of a dissolver...
08/04/2009
7459016Method for the production of phthalocyanine pigment preparations
A method for the production of a phthalocyanine pigment preparation includes finely distributing a crude phthalocyanine pigment by dry milling, wet milling, salt kneading, acid pasting or acid swelling to give a pre-pigment, the pre-pigment is subjected to a finishi...
12/02/2008
7427322Organic pigment fine-particle, and method of producing the same
A method of producing a dispersion of a pigment, comprising: bringing a solution in which an organic pigment is dissolved, and an aqueous medium, into contact with each other in a channel having an equivalent diameter of 1 mm or less, thereby making the pigment into...
09/23/2008
7404854Method for pigmenting semi-crystalline plastics with phthalocyanine pigments in a non-warping manner
A process for warpage-free pigmentation of a plastic pigmented by a phthalocyanine pigment which was heated to not less than 80° C. as a suspension in a organic solvent in the presence of a carboxylic acid containing 2, 3 or 4 carboxyl groups or a salt of such a ca...
07/29/2008
7399354Method for the production of pigment granules
Dispersible pigment granules are produced by mixing an aqueous suspension of an organic pigment with an aqueous emulsion of a wax-like additive. The aqueous emulsion is then allowed to coagulate and the resulting aqueous dispersion is spray dried. ...
07/15/2008
7387670Pigment preparations based on phthalocyanine pigments
A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I), in which n i...
06/17/2008
7329315Copper phthalocyanine blue pigment composition and water borne dispersion thereof
Phthalocyanine blue pigments and pigment dispersions for water-borne inks and coatings are described. The pigments are produced by dry milling phthalocyanine blue and a polymeric dispersant, optionally with inorganic fillers and other additives, to obtain a material...
02/12/2008
7323046Phthalocyanine pigments with neutral metallic down flop
Phthalocyanine pigments having 0-4 chlorine atoms have a narrow particle-size range with 90% of particles between about 0.01-0.10 μm, the average particle size of no more than about 0.5 μm, a D99 of no more than about 0.3 μm, and a polydispersity of about 2.0 or ...
01/29/2008
7309391Aluminum flake pigment comprising aluminum flakes as basic particles, method of manufacturing the same, and paint and ink employing the same
An aluminum flake pigment containing aluminum flakes as basic particles, said aluminum flakes having an average particle diameter in the range of 3 to 20 μm and an average value of minimum diameter/maximum diameter of at least 0.6. ...
12/18/2007
7282263Method for coloring cellulosic materials using cationic pigment dispersion
A method of coloring a cellulosic material which includes a) dispersing pulped cellulosic material into water; and b) coloring the pulped cellulosic material by adding a cationic dispersion to the water, where the dispersion includes: (i) at least one pigment; (ii) ...
10/16/2007
7255734Phthalocyanine pigment preparations
A copper phthalocyanine pigment preparation contains a copper phthalocyanine pigment and at least one pigment dispersant from the group of copper phthalocyanine sulfonic acids and copper phthalocyanine sulfonic acid salts. The inventive pigment preparation is charac...
08/14/2007
7255733Process for the production of β type copper phthalocyanine pigment and a use thereof
A process for the production of a β type copper phthalocyanine pigment, comprising dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 μm at a temperature of 180 to 50° C., to prepare an α/β mixed...
08/14/2007
7223302Methods of preparing aqueous colored pigment dispersions, and inkjet ink compositions
The present invention describes methods for preparing aqueous colored pigment dispersions comprising the step of combining, in any order, a) a colored pigment, b) an azo coupler, c) an aromatic amine, d) a diazotizing agent, and e) an aqueous medium, wherein the aro...
05/29/2007
7214259Inks containing water-soluble perylene dyes and their use in ink-jet printing
An ink comprising a liquid medium and a colorant, wherein the liquid medium comprises water and a water-miscible organic solvent and the colorant is of Formula (1), wherein the colorant is dissolved in the liquid medium: Formula (1) wherein: each independently is a ...
05/08/2007
7198667Solid pigment preparations containing pigment derivatives and surface-active additives
Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt. % of at least one pigment derivative of general formula I wherein the variables have the following meanings...
04/03/2007
7192477Process for producing pigment nanoparticle
The process for producing highly concentrated nanometer-size fine particles of an organic pigment, which comprises dissolving the organic pigment in an amide solvent, especially an organic solvent comprising at least 50 vol % 1-methyl-2-pyrrodinone, and pouring the ...
03/20/2007
7173078Process for preparing modified pigments
A process for preparing a modified pigment having attached at least one organic group is described. This process comprises the step of reacting a dried mixture comprising a pigment having attached at least one reactive group and a modifying agent. The dried mixture ...
02/06/2007
7160380Organic pigment fine-particle, and method of producing the same
A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in th...
01/09/2007
7156912Colored composition
A colored composition is disclosed that includes a pigment carrier, formed from a transparent resin, its precursor or a mixture thereof, and a halogenated phthalocyanine pigment that has been treated with a higher fatty acid. If required, this colored composition ma...
01/02/2007
7147703Pigment finishing by microwave heating
The invention relates to a process for aftertreating organic pigments which comprises heating the unground or ground organic crude pigment in water and/or organic solvents by means of microwave irradiation, under pressure if desired, so that the mass temperature of ...
12/12/2006
7135067Water-based pigment dispersions, the production thereof and the use of the same
The invention relates to a pigment dispersion consisting essentially of a) at least one organic or inorganic pigment or a combination of the same, b) an alpha-methyl--omega-hydroxy-polyethylene glycol ether having an average molar mass of between 250 and 1000 g/mol,...
11/14/2006
7122081Process for aqueous milling of quinacridone pigments
The present invention is directed to an aqueous process for reducing particle size of organic pigments by milling the crude pigment in the presence of a water soluble styrene copolymer dispersant, optionally a defoamer, optionally an additive, and greater than about...
10/17/2006
7077896Pigment composition and use thereof in plastic
A pigment composition composed of 50 to 95% by weight of a phthalocyanine, 1 to 45% by weight of a halogenated phthalocyanine of which the number of substituents of a halogen atom is 1 to 9 and the average number of the substituents is 2.0 to 4.0 and 0.1 to 10% by w...
07/18/2006
7074268Pigment composition and printing ink containing the same
A pigment composition obtainable by dry-milling an organic pigment in the presence of a resin for a printing ink, the resin being composed of a synthetic resin for a printing ink in an amount of 10 to 80 parts by weight per 100 parts by weight of the organic ...
07/11/2006
7056378Method for producing vattable organic pigments
The invention relates to a method for producing vattable organic pigments. The invention is characterized in that an agueous or an aqueous-organic suspension of a coarse crystalline raw mineral is vatted and re-oxidised, and the pigment suspension is ground to a dia...
06/06/2006
7041166Manufacturing and conditioning of solid solution organic pigments
Organic solid solution pigments are prepared and conditioned by treating a mixture of their components, after synthesis but preferably without or with only partial drying, in a mixture of from 0 to 30% by weight of an organic liquid having a dipole moment μ of 2.8â...
05/09/2006
7033429Method of producing low-dust pigment compositions
The present invention relates to a method of producing a low-dust pigment composition, which comprises suspending a filter cake obtained from preparation of the pigment, or a solid pigment, in water, adding thereto from 0.1 to 6.0% by weight, based On the weight of ...
04/25/2006
7033715Uniform cocrystals of titanyl fluorophthalocyanine and titanyl phthalocyanine formed in trichloroethane, and charge generating layer containing same
In a process for forming a nanoparticulate crystalline titanium phthalocyanine pigment composition, a titanium phthalocyanine pigment is contacted with substantially pure 1,1,2-trichloroethane (TCE) under conditions effective to convert the titanium phthalocyanine p...
04/25/2006
7029526Process for making green pigment compositions useful for color filters and LCD's
The invention pertains to the field of green color filters and LCDs. It has been found that pigments with surprisingly improved coloristic, chemical and physical properties are obtained by salt-kneading a halogenated phthalocyanine pigment together with a yellow pig...
04/18/2006
7019050Alternate dispersants for spray-dried concentrate components
Concentrates and method of making concentrates are disclosed. The concentrates may be incorporated into thermoformable articles as a concentrate powder or as a paste. Thermoformable articles, such as fibers, containing the concentrates and methods of making the ther...
03/28/2006
7011919Self-dispersing titanyl phthalocyanine pigment compositions and electrophotographic charge generation layers containing same
In a process for forming a self-dispersing crystalline phthalocyanine pigment composition of monodisperse nanoparticles, a mixture containing titanyl fluorophthalocyanines, unsubstituted titanyl phthalocyanine, and an organic monomeric dispersant but substantially f...
03/14/2006
6989056IR reflective pigment compositions
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 ...
01/24/2006
6972129Method for producing cosmetics
An objective of the present invention is to provide a method for producing cosmetic products capable of improving a touch of cosmetic products containing powder and exerting the function of the powder sufficiently. In order to accomplish the objective described abov...
12/06/2005
6949139Process for forming cocrystals containing chlorine-free titanyl phthalocyanines and low concentration of titanyl fluorophthalocyanine using organic milling aid
In a process for forming an amorphous pigment mixture consisting essentially of TiOPc and TiOFPc and containing more than about 75 weight percent of TiOPc, a mixture of crude crystalline TiOPc and TiOFPc pigments in a weight ratio of at least 75:25 TiOPc:TiOFPc is c...
09/27/2005
6942724Modified organic colorants and dispersions, and methods for their preparation
The present invention relates to methods of preparing modified organic colorant dispersions comprising the step of combining, in any order, i) an organic colorant; ii) an hydroxide reagent; and iii) an aqueous medium, to form a modified organic colorant dispersion. ...
09/13/2005
6936097Modified organic colorants and dispersions, and methods for their preparation
The present invention relates to methods of preparing modified organic colorant dispersions comprising the step of combining, in any order, i) an organic colorant; ii) an hydroxide reagent; and iii) an aqueous medium, to form a modified organic colorant dispersion. ...
08/30/2005
6926768Treatment of high performance pigments
A pigment's etheramine sulfonic acid salt is described. Also described is a method for enhancing the performance of a pigment composition containing an organic pigment, comprising enhancing the dispersion of said pigment by adding to 100 parts of said pigment about ...
08/09/2005
6918958Acid pigment dispersants and pigment preparations
The invention relates to pigment dispersants of the formula (I), and to pigment preparations including at least one organic pigment and at least one pigment disperant of the formula (I): wherein Q1, R1
07/19/2005
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