Organic Material Containing Patents (Class 106/499)
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Patent number: 7393403Abstract: 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 presence of a Lewis acid catalyst: X-L-R1??(I) (the coloring agent)-L-R1??(II) wherein L represents a single bond or —C(?O)—; R1 is selected from the group consisting of a substituted or unsubstituted C1-C20 alkyl group containing a hydrophilic group, a substituted or unsubstituted C6-C20 aryl group containing a hydrophilic group a substituted or unsubstituted C2-C20 heteroaryl group containing a hydrophilic group and a substituted or unsubstituted C7-C20 arylalkyl group containing a hydrophilic group; and X is one of: —F, —Br, —I and —Cl. may be obtained conveniently through a one-step process.Type: GrantFiled: August 27, 2004Date of Patent: July 1, 2008Assignee: Samsung Eletronics Co., Ltd.Inventors: Jong-in Lee, Seung-min Ryu, Su-aa Jung
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Publication number: 20080148995Abstract: A tinting scheme for making low volatile organic solvent-containing waterborne paints is provided, the tinting scheme comprising: a plurality of tinting dosage units, each tinting dosage unit comprising a predetermined quantity of a water dispersible particulate tinter comprising a pigment or mixture of pigments in a water soluble envelope; one or more base paints whose volatile organic solvents content is less than about 150 g/l; such that in use the one or more tinting dosage units is added to the one or more base paints to produce a tinted paint whose volatile organic solvents content is less than about 150 g/l. Paint compositions and methods of tinting waterborne paints are also disclosed.Type: ApplicationFiled: October 5, 2007Publication date: June 26, 2008Applicant: THE GLIDDEN COMPANYInventors: Aimee Lawlor, Renee Entinghe
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Patent number: 7387673Abstract: A pigment prepared using nanofillers with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, nanorods type fillers are included. The pigment nanopowders taught comprise one or more elements from the group actinium, antimony, aluminum, arsenic, barium, beryllium, bismuth, cadmium, calcium, cerium, cesium, cobalt, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, hydrogen, indium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, nitrogen, oxygen, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, sulfur, selenium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, zinc, and zirconium.Type: GrantFiled: May 20, 2003Date of Patent: June 17, 2008Assignee: PPG Industries Ohio, Inc.Inventors: Tapesh Yadav, Clayton Kostelecky
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Patent number: 7384473Abstract: Solid pigment preparations comprising as essential constituents (A) from 60% to <90% by weight of at least one pigment, (B) >10% to 40% by weight of at least one anionic surface-active additive based on acid phosphoric, phosphonic, sulfuric and/or sulfonic esters of polyalkylene oxides or of reaction products of alkylene oxides with aliphatic alcohols, with phenol or naphthol, which may each be alkyl substituted if desired, with aliphatic or aromatic amines or with aliphatic carboxylic acids or carboxamides or on salts thereof, the fraction of the phosphorus-containing additive in a mixture of phosphorus- and sulfur-containing additives being not less than 50% by weight, and (C) from 0% to <30% by weight of at least one nonionic surface-active additive based on polyethers, with the proviso that component (B) is a phosphoric and/or phosphonic ester when the fraction of component (C) is 0% by weight, are made and used for pigmenting macromolecular organic and inorganic materials.Type: GrantFiled: June 18, 2003Date of Patent: June 10, 2008Assignee: BASF AktiengesellschaftInventors: Hansulrich Reisacher, Andreas Stohr, Ingo Klopp, Juan Antonio Gonzalez Gomez
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Publication number: 20080115695Abstract: 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 alkali metals, alkaline earth metals and NR1R2R3H+, where R1, R2 and R3 are independently H or C1-C5 alkyl groups, may be associated with the surface modifying groups. The modified pigment is combined with water to produce a dispersion that can be used in such applications as coatings, paints, papers, adhesives, latexes, toners, textiles, fibers, plastics and inks.Type: ApplicationFiled: October 31, 2007Publication date: May 22, 2008Applicant: SENSIENT COLORS INC.Inventors: P. K. Sujeeth, Mark Ulrich, Gabe Srouji, John Kane, Daniel A. Ouellette
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Publication number: 20080113890Abstract: A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) polyalkene-substituted amine having at least one tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.Type: ApplicationFiled: November 9, 2006Publication date: May 15, 2008Applicant: The Lubrizol CorporationInventors: David J. Moreton, Paul R. Stevenson, Dean Thetford, Jonathan S. Vilardo
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Publication number: 20080114119Abstract: Surface treated inorganic oxide pigments are provided wherein one or more of the ethylene glycol esters and diesters are applied to the surface of a base inorganic oxide pigment, for example, an anatase titanium dioxide pigment from the calciner of a conventional sulfate route process for making titanium dioxide pigments or especially a rutile titanium dioxide pigment from the oxidizer in a conventional chloride route process for making titanium dioxide pigments.Type: ApplicationFiled: November 13, 2006Publication date: May 15, 2008Inventor: Thomas W. Rachal
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Publication number: 20080110368Abstract: 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 form. Also disclosed is a process for producing a pigmented paint composition from the stir-in pigment.Type: ApplicationFiled: November 15, 2006Publication date: May 15, 2008Applicant: Sun Chemical B.V.Inventors: Mark Ortalano, Darleen Wright, William Burgess, Brian Thompson
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Patent number: 7372012Abstract: The present invention provides a dye loaded zeolite material comprising: a) at least one zeolite crystal having straight through uniform channels each having a channel axis parallel to, and a channel width transverse to, a c-axis of crystal unit cells; b) closure molecules having an elongated shape and consisting of a head moiety and a tail moiety, the tail moiety having a longitudinal extension of more than a dimension of the crystal unit cells along the c-axis and the head moiety having a lateral extension that is larger than said channel width and will prevent said head moiety from penetrating into a channel; c) a channel being terminated, in generally plug-like manner, at least at one end thereof located at a surface of the zeolite crystal by a closure molecule hose tail moiety penetrates into said channel and whose head moiety substantially occludes said channel end while projecting over said surface; and d) an essentially linear arrangement of luminescent dye molecules enclosed within a terminated channType: GrantFiled: July 5, 2005Date of Patent: May 13, 2008Assignee: Universitaet BernInventor: Gion Calzaferri
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Publication number: 20080087193Abstract: 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.Type: ApplicationFiled: October 17, 2006Publication date: April 17, 2008Inventors: Tatiana N. Romanova, Ed Sung, Russell J. Schwartz
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Patent number: 7347894Abstract: 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 fabrication of a CF, the color filter fabricated by the process, an image display device including the color filter, and an information communication equipment including the image display device.Type: GrantFiled: April 6, 2006Date of Patent: March 25, 2008Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Hiromitsu Yanagimoto, Hiroaki Saikatsu, Naoto Kamata, Shigeru Sakamoto, Akio Yoshida, Michiei Nakamura
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Patent number: 7341625Abstract: Disclosed is a method for producing coated, fine-particle, inorganic solids, the surface of which is coated with fine inorganic solid particles containing at least two different organic additives. At least one of said additives contains a wetting agent, dispersing agent, or deflocculant. The additives represent a maximum of 15 percent by weight of the coated solids.Type: GrantFiled: March 5, 2003Date of Patent: March 11, 2008Assignee: Sachtleben Chemie GmbHInventor: Djamschid Amirzadeh-Asl
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Patent number: 7341626Abstract: 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 pigments.Type: GrantFiled: August 18, 2004Date of Patent: March 11, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Joachim Weber, Gerhard Wilker
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Publication number: 20080022902Abstract: A process for producing dichlorodiketopyrrolopyrrole pigment of the ? modification, which comprises wet milling crude dichlorodiketopyrrolopyrrole pigment wherein an ? modification and a ? modification coexist in the presence of a milling agent and a wetting agent, dichlorodiketopyrrolopyrrole pigment of the ? modification obtained the process and a color composition which contains the pigment and a pigment carrier.Type: ApplicationFiled: July 19, 2007Publication date: January 31, 2008Inventors: Hidenori Minashima, Nobuyuki Tomiya, Taro Murohoshi
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Patent number: 7318864Abstract: Pigment preparations including as essential constituents (A) from 60 to 90% by weight of at least one pigment, (B) from 10 to 40% by weight of at least one nonionic surface-active additive based on polyethers, and (C) from 0.1 to 10% by weight of at least one anionic surface-active additive based on sulfonates, sulfates, phoshonates or phosphates, the sum total of the weight percentages not exceeding 100% by weight, are prepared and used for pigmenting macromoleular organic and inorganic materials.Type: GrantFiled: January 30, 2003Date of Patent: January 15, 2008Assignee: BASF AktiengesellschaftInventors: Hansulrich Reisacher, Juan Antonio Gonzalez Gomez
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Patent number: 7318860Abstract: 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 pigment being in the range from 1:20 to 20:1. The inventive pigment preparation are especially suitable for the low-warpage colouring of semicrystalline plastics with pure green tones.Type: GrantFiled: October 30, 2004Date of Patent: January 15, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Heinfred Ohleier, Joachim Weber, Olaf Schupp
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Patent number: 7318862Abstract: The present invention relates to stabilized BiOCl pigments in which BiOCl is coated with one or more polymers and oxides, oxide hydrates or hydroxides of silicon, to a process for the production of the stabilized BiOCl pigments, and to the use thereof.Type: GrantFiled: May 10, 2005Date of Patent: January 15, 2008Assignee: Merck Patent GmbHInventors: Griessmann Carsten, Rathschlag Thomas
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Patent number: 7318861Abstract: An effect pigment is constituted by coated laminar platelets in which the platelets are a mixture of different platelet materials, one of which is platy glass or platy aluminum oxide, and in which the pigment exhibits visual homogeneity.Type: GrantFiled: December 17, 2003Date of Patent: January 15, 2008Assignee: BASF Catalysts LLCInventors: Frank Bagala, Sr., Curtis J. Zimmermann
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Patent number: 7316741Abstract: Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use.Type: GrantFiled: March 6, 2003Date of Patent: January 8, 2008Assignee: Colorobbia Italia S.p.A.Inventors: Giovanni Baldi, Marco Bitossi, Andrea Barzanti
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Patent number: 7309452Abstract: The present invention discloses an aqueous phenolates-containing liquid formulation having a solidification point of less than or equal to ?10° C. which is characterized by comprising the following components: a) 50-80% by wt. of one or more phenolates; b) 0.1-10% by wt. of at least one crystallization inhibitor; and water and optionally other components forming the balance.Type: GrantFiled: November 18, 2005Date of Patent: December 18, 2007Assignee: OMYA Development AGInventors: Matthias Buri, Patrick Schwarzentruber
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Patent number: 7306669Abstract: A species of marine microalgae (Tetraselmis sp. MACC/P66) was found to secrete an unknown red pigment to the culture medium when itself was still keeping healthy. The unknown red pigment was collected and purified from the culture medium by column chromatography using cation-exchange resins. A process for concentrating and isolating the red water soluble pigment from the culture medium of Tetraselmis sp. MACC/P66 was described in the present invention.Type: GrantFiled: January 10, 2007Date of Patent: December 11, 2007Inventor: Yushi Zhang
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Publication number: 20070277699Abstract: Pigments having covalently bound stabilizing groups that enable formation of a stable dispersion of the pigment in a liquid and covalently bound species containing at least one external reactive carbonyl group are disclosed Such pigments are particularly useful in reactive inkjet ink formulations.Type: ApplicationFiled: June 5, 2007Publication date: December 6, 2007Inventor: Richard Douglas Bauer
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Patent number: 7300511Abstract: Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. % pigment.Type: GrantFiled: July 1, 2005Date of Patent: November 27, 2007Assignee: Sun Chemical CorporationInventors: Gregory T. Huber, Tatiana N. Romanova, Russell J. Schwartz, Lisa Clapp, Terrance R. Chamberlain, Don Henderson
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Patent number: 7294185Abstract: Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the diazonium salt. In another process at least one diazonium salt reacts with a carbon black in a protic reaction medium. Carbon black products which may be prepared according to process of the invention are described as well as uses of such carbon black products in plastic compositions, rubber compositions, paper compositions, and textile compositions.Type: GrantFiled: March 22, 2004Date of Patent: November 13, 2007Assignee: Cabot CorporationInventors: James A. Belmont, Robert M. Amici, Collin P. Galloway
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Patent number: 7288217Abstract: An electroconductive compound in a flake form, characterized in that it comprises a titanium oxide which has an average long diameter of 1 to 100 ?m and an average thickness of 0.01 to 1.5 ?m, and contains potassium in an amount of 0.3 to 5 wt % in terms of potassium oxide (K2O) and, formed on the surface thereof, a first electroconductive layer comprising a tin oxide containing antimony and, formed on the first electroconductive layer, a second electroconductive layer comprising a tin oxide.Type: GrantFiled: July 16, 2003Date of Patent: October 30, 2007Assignee: Otsuka Chemical Co., Ltd.Inventors: Yukiya Hareyama, Hidetoshi Ogawa
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Patent number: 7276113Abstract: This invention relates to a surface-modified pigment having at least two surface-active agents chemically immobilized onto the surface of the pigment. The first surface-active agent has an HLB of about 10 or more, the second surface-active agent has an HLB of 9 or less, and the difference in HLB between the first and second surface-active agents is at least about 5. The surface-modified pigments are self emulsifying and are applicable for use in water-based cosmetic systems and toiletry products.Type: GrantFiled: April 7, 2005Date of Patent: October 2, 2007Assignee: U.S. Cosmetics CorporationInventors: Mark G. Le Page, William Zavadoski, Shigeru Kishida, Yoshiaki Kawasaki
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Publication number: 20070215008Abstract: 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 one sulfonic acid group, characterized in that it has a chroma C greater than 53 in the CIELAB system in a solventborne alkyd melamine varnish comprising a 6.7% by weight concentration of the pigment preparation, and/or in that it has a chroma C greater than 35 in the CIELAB system in an aqueous base varnish system in a white reduction comprising a 0.2% by weight concentration of the pigment preparation in white reduction.Type: ApplicationFiled: March 14, 2007Publication date: September 20, 2007Inventors: Karl-Heinz Schweikart, Jean-Philippe Lerch, Laurent Pourcheron
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Patent number: 7261770Abstract: In various embodiments, a pigment composition is provided comprising a base particle and a dispersing agent, the dispersing agent comprising a salt and/or ester of: (i) an amine, alcohol, and/or alkanol amine and (ii) a polyprotic acid, wherein the mole ratio of the amine, alcohol, and/or alkanol amine to the polyprotic acid is greater than 3:1. In various embodiments, the pigments have improved stability, hiding power, tint strength, and/or gloss.Type: GrantFiled: November 24, 2004Date of Patent: August 28, 2007Assignee: Millennium Inorganic Chemicals, Inc.Inventors: Modasser El-Shoubary, Robert M. Hopkins, Karen L. Bowen, David E. Bell
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Patent number: 7252710Abstract: A pigment dispersion composition which can be suitably applied in such fields as color filters, black matrices and ink jet recording where it is necessary to finely disperse pigments still with retention of good dispersion stability and temporal stability even when the total amount a pigment derivative, pigment intermediate, colorant derivative and colorant intermediate, and/or a pigment dispersant is small. Another object is a pigment dispersion-based resist composition which can give color filters high in permeability, excellent in contrast and causing no bleeding or black matrices high in light-shielding and insulating properties, and causing no bleeding.Type: GrantFiled: June 26, 2003Date of Patent: August 7, 2007Assignee: Sakata Inx Corp.Inventors: Masanori Kano, Kazunori Itoh, Takaaki Yodo
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Patent number: 7223302Abstract: 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 aromatic amine comprises as least one ionic group, at least one ionizable group, or a mixture of at least one ionic group and at least one ionizable group. These colored pigment dispersions are particularly useful as an inkjet ink composition. Also disclosed are inkjet ink compositions comprising a) a liquid vehicle, b) a colored pigment, and c) a dispersant having the formula: D-N?N-AC, wherein AC is an azo coupling component and D is a diazo component comprising at least one ionic group, at least one ionizable group, or a mixture of at least one ionic group or ionizable group.Type: GrantFiled: January 16, 2004Date of Patent: May 29, 2007Assignee: Cabot CorporationInventor: Alexander I. Shakhnovich
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Patent number: 7220306Abstract: The present invention provides a treated pigment produced by treating at least one pigment selected from the group consisting of organic pigments and carbon black each having a functional group reactive with a carbodiimide group with a carbodiimide compound having one or more carbodiimide groups, said carbodiimide compound having, within the molecule thereof, at least one side chain selected from the group consisting of polyester side chains, polyether side chains and polyacrylic side chains, with a carbodiimide equivalent of 100 to 50,000.Type: GrantFiled: March 10, 2003Date of Patent: May 22, 2007Assignee: Sakata INK Corp.Inventors: Masanori Kano, Kazunori Itoh, Naoyuki Kitaoka, Takaaki Yodo, Hideo Shibata
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Patent number: 7220305Abstract: A particulate metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.Type: GrantFiled: November 4, 2005Date of Patent: May 22, 2007Assignee: Croda International PLCInventors: Graham Paul Dransfield, Susan Cutter, Phillip Lawrence Lyth
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Patent number: 7220307Abstract: A treated pigment and a dispersion composition thereof having preferable dispersion stability and fluidity in a dispersion medium even the pigment has no functional group reactive with a carbodiimide group on the surface thereof, and further to provide a resist composition exerting very excellent developing characteristics when forming color filters, black matrices and the like patterns. Furthermore, the invention also provides a compound for pigment treatment suited for the treatment of such pigment. A treated pigment which is producible by the treatment with a carbodiimide-based compound having at least one side chain selected from the group consisting of polyester side chains, polyether side chains and polyacrylic side chains and at least one basic nitrogen-containing group within the molecule.Type: GrantFiled: June 25, 2003Date of Patent: May 22, 2007Assignee: Sakata Inx Corp.Inventors: Masanori Kano, Kazunori Itoh, Takaaki Yodo, Naoyuki Kitaoka, Hideo Shibata
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Patent number: 7201796Abstract: The invention relates to a coating material, paint or finish which contains as anti-skinning agents a combination of at least two organic and/or inorganic oxygen scavengers and also relates to compositions containing the combination, especially oxidatively drying paints or coating compositions and articles coated with such oxidatively drying paints or coating compositions.Type: GrantFiled: July 27, 2005Date of Patent: April 10, 2007Assignee: Arkema Inc.Inventors: Nicholas Michael Martyak, Daniel Alford
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Patent number: 7198668Abstract: Pigment granules having an average particle size from 50 to 5000 ?m and a BET surface area ?15 m2/g, including as essential constituents (A) from 60 to 90% by weight of at least one pigment and (B) from 10 to 40% by weight of at least one nonionic surface-active additive based on polyethers, are prepared and used for pigmenting macromolecular organic and inorganic materials.Type: GrantFiled: January 22, 2003Date of Patent: April 3, 2007Assignee: BASF AktiengesellschaftInventors: Hansulrich Reisacher, Juan Antonio Gonzalez Gomez
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Patent number: 7192478Abstract: Fatty (meth)acrylates having a %-EpO content of below 0.6, which are reaction products of epoxidized compounds selected from the group consisting of epoxidized fatty acid esters, epoxidized triglycerides and mixtures thereof, and acids selected from the group consisting of acrylic acid, methacrylic acid and mixtures thereof, wherein the %-EpO content of the epoxidized compound is above 6.4, wherein the epoxidized compound is an epoxidation product of fatty acid moieties having one or more carbon-carbon double bonds, wherein less than 20 mole % of the fatty acid moieties contain three or more carbon-carbon double bonds, and wherein greater than 60 mole % of the fatty acid moieties contain two carbon-carbon double bonds are useful as pigment dispersants. Pigment dispersant concentrates, aqueous pigment dispersions and methods of dispersing pigments with the fatty (meth)acrylates are described.Type: GrantFiled: March 19, 2002Date of Patent: March 20, 2007Assignee: Cognis Deutschland GmbH & Co. KGInventors: Horst Sulzbach, Alfred Westfechtel, Lars Zander, Rainer Hoefer, Matthias Fies
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Patent number: 7192477Abstract: 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 resultant organic pigment solution with stirring into a poor solvent which is not compatible with the organic pigment. The pigment may be a quinacridone pigment, phthalocyanine pigment etc. Any atmospheric pressure to a sub-critical and/or supercritical state can be employed as the production conditions.Type: GrantFiled: April 2, 2003Date of Patent: March 20, 2007Assignee: Japan Science and Technology AgencyInventors: Hachiro Nakanishi, Koich Baba, Hitoshi Kasai, Hidetoshi Oikawa, Shuji Oikawa
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Patent number: 7172653Abstract: The invention related to solid pigment preparations essentially comprising the following components: (A) 60 to 90 wt. % of at least one pigment and (B) 10 to 40 wt.Type: GrantFiled: September 12, 2003Date of Patent: February 6, 2007Assignee: BASF AktiengesellschaftInventors: Hansulrich Reisacher, Michael Kluge
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Patent number: 7173078Abstract: 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 is reacted under high intensity mixing conditions for a time and temperature sufficient to form the modified pigment.Type: GrantFiled: April 12, 2002Date of Patent: February 6, 2007Assignee: Cabot CorporationInventors: Melanie G. Lamprey, John Mathew, Paul S. Palumbo
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Patent number: 7160371Abstract: A process for the preparation of organic pigments with enhanced fluorescence, which process comprises treating said pigments with a surfactant, and to the fluorescent organic pigments obtained by said process. The pigments according to the present invention can be used in marking applications, wherein durable fluorescence is required.Type: GrantFiled: May 24, 2005Date of Patent: January 9, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Iain Frank Fraser, Sharon Kathleen Wilson, Ian Alexander Macpherson
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Patent number: 7156914Abstract: A pigment paste and a method for making the same that alters the appearance of concrete such that, after the concrete sets, it resembles natural stone concrete sets, it resembles natural stone (e.g., marble, granite, sandstone, bluestone, etc.) without separately applying a finish of any kind to the concrete are provided. The pigment paste preferably comprises a filler, a pigment, an anti-foaming agent, a surfactant, and water. In some embodiments, the surfactant is a water reducing admixture. A concrete compound having a finish resembling natural stone is made by combining the pigment paste with a concrete mix, which includes a cementitious material with aggregate and water, and a chemical admixture. Upon adding the pigment paste and mixing it, the cementitious material is allowed to set, where, after it sets, the concrete has a finish resembling natural stone.Type: GrantFiled: June 24, 2004Date of Patent: January 2, 2007Assignee: The Original Concrete Company, LLCInventor: Semyon A. Shimanovich
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Patent number: 7153356Abstract: The invention relates to a washable paint comprising about 2.5 to 10 weight percent of a high molecular weight polyethylene glycol having a molecular weight between 2,000 and 20,000, a water swellable clay in the amount of 0.5 to 1.5 weight percent; and a high molecular weight cellulosic thickener in the amount of about 1.0 to 2.5 weight percent, wherein the high molecular weight cellulosic thickener has a viscosity between 500 and 15,000 cps tested as a 2% by weight solution in water at 25° C. using a Brookfield DV-II+ viscometer with a number 21 spindle and a speed of 2 rpm, and wherein the paint has a viscosity of between 5,000 and 50,000 cps tested on a Brookfield DV-II+ viscometer with a number 6 spindle at 10 rpm and 52° C.Type: GrantFiled: October 17, 2005Date of Patent: December 26, 2006Assignee: Milliken & CompanyInventors: Philip G. Harris, William G. Hopkins, Jr., Kerrie L. Bryant, E. Kyle Stephenson
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Patent number: 7138011Abstract: Inorganic pigments treated with at least one N,N,N-trialkyl quaternary amino acid inner salt possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic compositions containing said surface-treated pigments.Type: GrantFiled: September 7, 2004Date of Patent: November 21, 2006Assignee: Tronox LLCInventor: Daniel H. Craig
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Patent number: 7138522Abstract: Rylene derivatives of the general formula I where the variables have the following meanings: R is hydrogen or substituted or unsubstituted C1–C30-alkyl, aryl or hetaryl; R1 is hydrogen or bromine; R2 is hydrogen or C1–C6-alkyl; R3 is hydrogen, C1–C18-alkyl or substituted or unsubstituted aryl or hetaryl; and n is 2 or 3.Type: GrantFiled: November 12, 2004Date of Patent: November 21, 2006Assignees: BASF Aktiengesellschaft, Max-Planck-Gesellschaft zur Foerdenung der Wissenschaften e.V.Inventors: Matthias Krieger, Arno Boehm, Erik Reuther, Klaus Muellen
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Patent number: 7135062Abstract: Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as chroma, gloss, density, light fastness and abrasion fastness, and also as hydrophilic colorants capable of affording inks excellent in physical properties such as long-term storability and press stability are described.Type: GrantFiled: June 11, 2004Date of Patent: November 14, 2006Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Michiei Nakamura, Hideyuki Koiso, Naoyuki Sakai, Yoshiyuki Zama, Atsushi Nogami, Hiroyuki Shimanaka, Seishichi Sasaki, Hiroaki Saikatsu
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Patent number: 7135067Abstract: 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, c) standard dispersing agents for producing aqueous pigment dispersions, d) water, and e) optionally other standard additives.Type: GrantFiled: June 29, 2002Date of Patent: November 14, 2006Assignee: Clariant GmbHInventors: Andreas Harz, Lothar Wihan, Martin Alexander Winter, Andreas Pfrengle
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Patent number: 7122081Abstract: 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 wt. % water, and isolating the organic pigment.Type: GrantFiled: November 12, 2004Date of Patent: October 17, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Yingxia He, Colin D. Campbell
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Patent number: 7101427Abstract: A particulate metal oxide having a mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.Type: GrantFiled: December 20, 2002Date of Patent: September 5, 2006Assignee: Imperial Chemical Industries plcInventors: Graham Paul Dransfield, Susan Cutter, Philip Laurence Lyth
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Patent number: 7101497Abstract: To detect an irradiated radiation efficiently, so that the dose can be measured with high sensitivity. A photochromic material comprising an illuminant(s) which emits a light when irradiated with a radiation and a diarylethene photochromic compound(s) having a specific structure, and a color dose meter employing it.Type: GrantFiled: June 14, 2002Date of Patent: September 5, 2006Inventors: Yuki Tanaka, Naoto Kijima, Shinichirou Nakamura, Masahiro Irie, Setsuko Irie
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Patent number: 7077899Abstract: A pigment dispersing agent of the formula (1) capable of providing a printing ink or a coating composition excellent in fluidity and dispersion stability and a dry coating excellent in gloss, a pigment composition containing the same and a pigment dispersion containing the same, wherein X1 is —NH—, —O—, —CONH—, —SO2NH—, —CH2NH—, —CH2NHCOCH2NH— or —X3—Y—X4—, X2 and X4 are —NH— or —O—, X3 is —CONH—, —SO2NH—, —CH2NH—, —NHCO— or —NHSO2—, Y is an alkylene group, an alkenylene group or an arylene group, Z is —SO3M or —COOM, R1 is a heterocyclic ring residue or an aromatic ring residue, Q is —O—R2, —NH—R2, a halogen group, —X1—R1 or —X2—Y-Z, R2 is a hydrogen atom, an alkyl group or an alkenyl group, and M is one equivalent of a monovalent to trivalent cation.Type: GrantFiled: January 14, 2004Date of Patent: July 18, 2006Assignee: Toyo Ink Mfg. Co. Ltd.Inventors: Takashi Kamikubo, Daisuke Tanabe, Tetsuya Sai