Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8177902 | Method for producing liquid composition and pigment particles and ink composition for ink jet recording A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and... | 05/15/2012 |
| 8147608 | Modified pigments and methods for making and using the same A method of producing a modified pigment by sulfonating a pigment and subsequently oxidizing the pigment. The modified pigment may have sulfonic acid and carboxyl surface modifying groups attached to the surface of the pigment. Charge balancing counterions such as a... | 04/03/2012 |
| 8123851 | Method of finishing organic pigments A method of finishing an organic pigment by dry-comminuting said pigment in the presence of a sulfonato-functional condensation product of an arylsulfonic acid and at least one aliphatic aldehyde having 1 to 6 C atoms as crystallization modifier, dispersing the resu... | 02/28/2012 |
| 8088215 | Diffusion reaction method and diffusion reaction device A diffusion reaction method includes: joining a plurality of reaction liquids relating to a reaction to form a multilayer flow; sandwiching from both sides of the multilayer flow in the depthwise direction using sandwiching liquid so that the multilayer flow is cont... | 01/03/2012 |
| 8062415 | Paper coating compositions The invention relates to a composition for controlling the bleed fastness of organic coloring pigments in paper coatings comprising a) 1 to 30% by weight, based on the total weight of the composition, of an organic coloring pigment, b) 1 to 20% by weight, based on t... | 11/22/2011 |
| 8021475 | Organic pigment fine particles and method of producing the same According to the method of producing organic pigment fine particles of the present invention, when producing organic pigment fine particles by allowing two or more solutions at least one of which is an organic pigment solution in which an organic pigment is dissolve... | 09/20/2011 |
| 7964033 | Self-dispersed pigments and methods for making and using the same A method of modifying a pigment that includes reacting a reactive compound having an X-[Y]n reactive group with a secondary compound N-S-ZM to form a substituted reactive intermediate [Y]a-X-(N-S-ZM)b. A pigment is reacted with the s... | 06/21/2011 |
| 7947126 | Processes for preparing organic pigment dispersions and ink A method for preparing an organic pigment dispersion, such as a flush pigment or ink product, comprises steps of introducing into a twin screw extruder a stable, water-borne pigment dispersion, an organic medium, and a destabilizing agent; mixing together the stable... | 05/24/2011 |
| 7927416 | Modified pigments and methods for making and using the same A method of producing a modified pigment by sulfonating a pigment and subsequently oxidizing the pigment. The modified pigment may have sulfonic acid and carboxyl surface modifying groups attached to the surface of the pigment. Charge balancing counterions such as a... | 04/19/2011 |
| 7922807 | Method of producing pigment dispersion The present invention provides a method of producing a pigment dispersion, comprising the steps of: preparing a solution in which two or more color pigments and a dispersant are dissolved in a solvent containing an aprotic organic solvent in the presence of an alkal... | 04/12/2011 |
| 7901503 | Pigments for non-aqueous inks and coatings A sulfonated derivative of an organic pigment moiety comprising a polyetheramine, and a metal or ammonium salt. The pigment is used for coloration of printing inks and coatings. For ink-jet systems there is excellent filterability, low viscosity, and stability there... | 03/08/2011 |
| 7833343 | Universal stir-in pigments The invention relates to a pigment preparation containing (a) 50-99 percent by weight of at least one pigment, (b) 1 to 50 percent by weight of an additive based on polyalkylene glycols, and (c) 0 to 10 percent by weight of an auxiliary agent from among the group co... | 11/16/2010 |
| 7828891 | Pigment compositions, colored compositions making use of the pigment compositions, and color filters Pigment compositions each contain an organic pigment and at least one compound selected from compounds represented by the following formula (II), respectively: A-N═N—CH(COCH3)—CONH-E, B—N═N—CH(COCH3)—CONH-E or ... | 11/09/2010 |
| 7819967 | Method of producing an organic fine particle dispersion, organic fine particle dispersion obtained by the same, and ink-jet recording ink and paint using the dispersion A method of producing a dispersion of organic fine particles having a volume average particle diameter (Mv) of 10 nm to 100 nm, which has the step of: subjecting an organic fine particle dispersion liquid containing a high molecular compound to heating treatment und... | 10/26/2010 |
| 7789957 | Low-dust additive and pigment blends with improved color Solid, low dust pigment compositions are formed i by mixing pigments with certain polymer stabilizers under conditions wherein the stabilizers are in a liquefied state. The pigment compositions are easily handled and have a high color yield when incorporated into po... | 09/07/2010 |
| 7780780 | Organic pigment fine particles and method of producing the same According to the method of producing organic pigment fine particles of the present invention, when producing organic pigment fine particles by allowing two or more solutions at least one of which is an organic pigment solution in which an organic pigment is dissolve... | 08/24/2010 |
| 7727325 | Method for manufacturing pigment dispersion A method for manufacturing a pigment dispersion includes mixing a solution in which a pigment is dissolved in an acid, and a reaction liquid that decreases a solubility of the pigment in the solution, in the presence of a dispersant for the pigment, and causing the ... | 06/01/2010 |
| 7722715 | Pigment compositions for inks with improved rheology A process for the preparation of pigment compositions which give improved ink flow is provided which comprises treating the pigment, during the pigment synthesis, with a small amount of a long chain aliphatic amine. The pigment compositions obtained can be used for ... | 05/25/2010 |
| 7682443 | Organic-pigment aqueous dispersion, method of producing the same, and colored coating composition and coated article using the same An organic-pigment aqueous dispersion, containing a pigment at a concentration of 6 to 30 mass %, and having a haze of 0.3 to 10%, as determined by enclosing the dispersion in a transparent glass cell of optical distance 0.2 mm and analyzing with integrating-sphere ... | 03/23/2010 |
| 7658793 | Pigment composition and process for preparation of the same The invention relates to a pigment preparation based on at least one inorganic pigment and at least one organic pigment, and to a method for producing one such pigment preparation. Said pigment preparation contains particles wherein fine organic pigment particles ar... | 02/09/2010 |
| 7578880 | Method of producing fine particles of metal complex pigment and dispersion containing fine particles of metal complex pigment obtained by the method A method of producing fine particles of metal complex pigment, containing the step of reacting a solution of an alkali metal salt of a ligand that constitutes the metal complex with a solution of salts of a metal that constitutes the metal complex, in the course of ... | 08/25/2009 |
| 7503972 | Organic pigment fine particles and method of producing same Two or more solutions comprising an organic pigment solution in which an organic pigment is dissolved in a good solvent, and a poor solvent compatible with the good solvent, or a solution of the poor solvent are allowed to flow through a microchannel in a non-lamina... | 03/17/2009 |
| 7459017 | Stir-in form of pigment Disclosed is a composition and process of manufacture of a stir-in form of pigment with increased dispersing and color properties. Pigment is slurried with acetylenic dispersing agents, wet-milled to a particular particle size, and then dried to powder or granulate ... | 12/02/2008 |
| 7438999 | Dispersants for organic pigments A dispersant for an organic pigment contains a compound represented by the following formula (1): wherein R1 and R2 may be the same or different and each independently represents a hydrogen atom, a hal... | 10/21/2008 |
| 7431762 | Process for producing dichlorodiketopyrrolopyrrole pigment of the α modification, dichlorodiketopyrrolopyrrole pigment of the α modification produced by the process, and coloring composition using the same A process for producing dichlorodiketopyrrolopyrrole pigment of the α modification, which comprises wet milling crude dichlorodiketopyrrolopyrrole pigment wherein an α modification and a β modification coexist in the presence of a milling agent and a wetting agen... | 10/07/2008 |
| 7427322 | Organic 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 |
| 7416596 | Use of a pigment composition comprising mixed crystals based on CI pigment yellow 74 The invention relates to the use of a pigment composition containing between 86.0 and 99.9 total mol % of C.I. Pigment Yellow 74 molecules and between 14.0 and 0.1 total mol % of at least one monoazo pigment of the formula (1) | 08/26/2008 |
| 7407544 | Polymeric dispersants based on addition of amines to dialkylsuccinyl succinate or its derivatives Dispersants for pigments as well as dispersions of pigments containing them, and compositions such as inks and coatings containing them are described. The dispersants are the reaction product of a dialkylsuccinyl succinate and an amine. ... | 08/05/2008 |
| 7402627 | Precursor colorant composition for latex paint The present invention relates to copolymer surfactants and their use in, e.g., coatings such as latex paint and solvent-based paint, and to a method of dispersing colored pigments using the copolymer surfactant, colorant compositions in which at least one pigment is... | 07/22/2008 |
| 7399354 | Method 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 |
| 7393403 | Process for preparing self-dispersible coloring agent using lewis acids and ink composition comprising the coloring agent A self-dispersible coloring agent represented by formula (II) below is prepared by incorporating a hydrophilic group into a coloring agent through a reaction of a hydrophilic group-containing halide represented by formula (I) below and the coloring agent in the pres... | 07/01/2008 |
| 7393404 | Pigment dispersants and their use A pigment dispersant contains the following component (a) alone or the following components (a) and (b) in combination: Component (a): a composite pigment formed of a diketopyrrolopyrrole pigment having a sulfonic group and another diketopyrrolopyrrole pigmen... | 07/01/2008 |
| 7384472 | Pigment preparations based on PY 155 The invention concerns a pigment preparation based on C.I. Pigment Yellow 155, containing 0.1% to 50% by weight, based on the weight of C.I. Pigment Yellow 155, of at least one pigment dispersant from the group of monoazo or disazo pigments substituted with at least... | 06/10/2008 |
| 7381260 | Thiazineindigo pigment dispersant, and pigment composition, colored composition and color filter, using the same A thiazineindigo pigment dispersant represented by Formula (1) or (2): where E denotes a basic group. A pigment composition contains a pigment material, and the thiazine indigo pigment dispersant. A colored composition cont... | 06/03/2008 |
| 7364614 | Capillary-action, glitter markers and ink compositions for same The disclosure is generally related to writing instruments capable of making markings containing large diameter glitter pigment particles, and glitter ink compositions for the same. In one embodiment, the disclosure provides a capillary-action marker comprising a gl... | 04/29/2008 |
| 7347894 | Pigment dispersants and their use There is disclosed a pigment dispersant comprises the compound represented by the following formula (I) or a metal salt, ammonium salt, amine salt or alkylammoniumchloride salt thereof. Also disclosed are a colored composition for CF, a process for the fabric... | 03/25/2008 |
| 7347892 | Phase change inks containing modified pigment particles Disclosed is a phase change ink composition comprising (a) an ink carrier comprising (1) a polyalkylene wax and (2) a component selected from the group consisting of (A) amides, (B) esters, (C) ester-amides, (D) urethanes, (E) ureas, (F) urethane-ureas, and (G) mixt... | 03/25/2008 |
| 7348372 | Method for distortion-free pigmentation of partly-crystalline plastics with phthalocyanine pigments A method for distortion-free pigmentation of partly-crystalline plastics, characterized in that a phthalocyanine pigment is used which has been heated to a temperature of at least 80° C. as a suspension in an acid-free organic medium in the presence of a base. ... | 03/25/2008 |
| 7341626 | Pigment compositions consisting of organic and inorganic pigments A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and containing one or more inorganic pigmen... | 03/11/2008 |
| 7318860 | Green pigment preparations A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio of C.I. Pigment Yellow 214 to the at least one copper phthalocyanine... | 01/15/2008 |
