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| Number | Title | Issue Date |
| 7731790 | Composition comprising a liquid absorbed on a support based on precipitated silica The invention concerns a conditioned composition comprising at least a liquid absorbed on a support containing a precipitated silica, said silica being in the form of substantially spherical beads and having: a mean pellet size greater than 150 μm; a filling densit... | 06/08/2010 |
| 7413838 | External additives for electrophotographic toner, electrophotographic toner, electrophotographic developer, image forming method and image forming apparatus An external additives for electrophtographic toner comprising finely divided oxide particulate including a silicon compound and a compound for doping said oxide particulate, wherein particle diameter of the primary particle of said finely divided oxide particulate i... | 08/19/2008 |
| 7407996 | Low dust wall repair compound A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particl... | 08/05/2008 |
| 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 |
| 7384989 | Coating material, method for production and use thereof for production of adhesive, corrosion-resistant coatings A liquid coating material in the form of a water-in-oil dispersion which is curable with actinic radiation, is substantially or completely free from organic solvents and has a pH | 06/10/2008 |
| 7364641 | Manufacture of paper and paper board Process for making paper or paper board comprising, forming an aqueous cellulosic suspension, adding a retention system to the cellulosic suspension, draining the suspension on a screen to form a sheet and drying the sheet, wherein the retention system comprises a s... | 04/29/2008 |
| 7316741 | Ceramic colorants in the form of nanometric suspensions Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use. ... | 01/08/2008 |
| 7303624 | Structurally coated silica A structurally coated silica can be prepared by spraying and mixing a pyrogenic silica with water and a coating agent in a suitable mixing vessel, then milling and then conditioning the product. The structurally coated silica can be used as a matting agent in... | 12/04/2007 |
| 7300510 | Goniochromatic bright pigments Goniochromatic luster pigments comprising at least one dielectric low-refractive interference-colored layer which includes a polar organic solvent which can interact with the layer material via functional groups. ... | 11/27/2007 |
| 7220305 | Particulate metal oxide 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 ... | 05/22/2007 |
| 7220482 | Aligned fine particles, method for producing the same and device using the same The present invention provides aligned fine particles that are aligned on a substrate. An organic coating film is bonded to surfaces of the fine particles is formed on the surfaces of the fine particles. An organic coating film bonded to a surface of the substrate i... | 05/22/2007 |
| 7208038 | Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler, process for its production and its use Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler obtainable by reacting at least one biopolymeric, biooligomeric, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified biopolymeric, biooligomeric, oxidic ... | 04/24/2007 |
| 7190517 | Light diffusing substrate, transmission screen, and display device A transmission screen includes a Fresnel lens sheet through which light is projected from a projector to a lenticular lens sheet arranged on a viewer side, as approximately parallel light, and the lenticular lens sheet receiving light passing through the Fresnel len... | 03/13/2007 |
| 7169223 | Effect pigments having a strong color flop The present invention relates to effect pigments having a color flop comprising metal oxide-coated SiO2 flakes having a uniform layer thickness, where the color flop runs through all four quadrants of the a,b color coordinate system (CIELAB L,a,b system).... | 01/30/2007 |
| 7169739 | Methods of reducing sag in non-aqueous fluids Methods of reducing sag include combining a cystol ester compound with a non-aqueous fluid and particles to reduce sag in the resulting fluid composition without significantly increasing the viscosity of the fluid composition. The fluid composition CONTAINS the non-... | 01/30/2007 |
| 7156914 | Pigment paste for concrete and method for making the same 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 ap... | 01/02/2007 |
| 7141618 | Coating compositions with modified particles and methods of using the same Powder coating compositions having improved mar and scratch resistance are disclosed. The coatings generally comprise one or more particles that have been modified to render the particles more surface active. The improved resistance is achieved without affecting the... | 11/28/2006 |
| 7083888 | External additive for electrostatically charged image developing toner An external additive for electrostatically charged image developing toner is provided. The additive includes spherical hydrophobic fine silica particles having primary particles with a particle diameter of from 0.01 to 5 μm and having been treated with a compound s... | 08/01/2006 |
| 7072115 | Light diffusion sheet and backlight unit using the same Objects of the present invention is to provide light diffusion sheets capable of exhibiting improved heat resistance, thermal dimensional stability and weather resistance while maintaining transparency, which hardly give rise to bending, yellowing and the like even ... | 07/04/2006 |
| 7011703 | Surface-treated pigments Inorganic pigments, having deposited on the pigment surface at least one alkenyl- or alkyl-substituted succinic anhydride and at least one organic polyol, possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties t... | 03/14/2006 |
| 6958091 | Surface-treated pigments Inorganic pigments treated with at least one amide of a fatty acid and an aliphatic amine possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic compositions containing said surface-treated pigm... | 10/25/2005 |
| 6946028 | Surface-treated pigments Inorganic pigments treated with one or more of the α,α-dialkyl substituted linear or branched carboxylic acids and the salts thereof possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic comp... | 09/20/2005 |
| 6921781 | Process for covering silicas with wax The present invention provides a process, which includes: coating at least a portion of a surface of at least one silica particle with at least one wax, wherein the coating is carried out in at least one gas at a temperature above ... | 07/26/2005 |
| 6921576 | Active energy ray-curable antistatic coating composition An active energy ray-curable antistatic coating composition contains (A) inorganic oxide fine particles having a side chain having a molecular weight of at least 300 and having a functional group and (B) an antistatic agent containing at least a quaternary ammonium ... | 07/26/2005 |
| 6902613 | Preparation and use of nanosize pigment compositions 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 ... | 06/07/2005 |
| 6893495 | Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler, process for its production and its use Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler obtainable by reacting at least one biopolymeric, biooligomeric, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified biopolymeric, biooligomeric, oxidic ... | 05/17/2005 |
| 6852158 | Method for attachment of one or more organic groups onto a particle A method of attaching one or more organic groups onto a particle is described which involves reacting at least one radical with at least one particle wherein the radical is generated from the interaction of at least one transition metal compound with at least one or... | 02/08/2005 |
| 6846356 | Pigment concentrates and method for producing them Pigment concentrates comprising at least one pigment and one polyolefin wax prepared from one or more olefins by catalysis with a single-site catalyst comprising a transition metal of groups 5 to 8 of the Periodic Table, where the complex contains not more than one ... | 01/25/2005 |
| 6790900 | Treatment agent for hydrophilicity and method for preparing thereof A treatment agent for hydrophilicity preferable for aluminum materials used for heat exchanger parts and air filter parts of air cleaner which can maintain the deodorizing property and hydrohilicity even after a long-time use, and a method of preparing said treatmen... | 09/14/2004 |
| 6786965 | Organic pigment dispersion for coloring building materials An aqueous organic pigment dispersion used to integrally color concrete and other building materials which includes: alkali metal silica particles as a binder; organic pigment; water; and dispersing agent in an amount effective to disperse the organic pigment and th... | 09/07/2004 |
| 6666914 | Black colorant for ink-jet printing ink, ink-jet printing ink, and aqueous pigment dispersion containing the black colorant A black colorant for ink-jet printing ink, has an average particle diameter of 0.001 to 0.15 μm, and comprises: extender pigments as core particles; a gluing agent-coating layer formed on at least a part or the surface of said core particles; and ... | 12/23/2003 |
| 6623557 | Colorant for ink-jet printing ink, ink-jet printing ink, aqueous pigment dispersion containing the colorant, and organic and inorganic composite particles A colorant for ink-jet printing ink of the present invention, has an average particle diameter of 0.001 to 0.15 μm, and comprises: extender pigments as core particles; a gluing agent coating layer formed on at least a part of surface of said core particl... | 09/23/2003 |
| 6613139 | Chlorosilane blends for treating silica Modified silica fillers are prepared by contacting silica with blends or mixtures containing diorganodihalosilanes and monoorganotrihalosilanes in weight ratios of 1:0.1 to 1:2, respectively. While dialkyldichlorosilanes and monoalkyltrichlorosilane such ... | 09/02/2003 |
| 6596073 | Solid pigment preparations The invention relates to a solid pigment composition comprising a) at least one pigment, b) at least one compound selected from the group consisting of b0) a phenol-styrene-polyglycol ether or an ionically modified phenol-styrene-polyglycol ether, b1) a condensatio... | 07/22/2003 |
| 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 comb-branched copolymer dispersant wherein the polyether portion o... | 06/24/2003 |
| 6547870 | Pigment preparation The invention relates to a non-dusting, homogeneous pigment preparation, comprising ࣙ40% by weight of one or more effect pigments, 0.5-60% by weight of a polyalkylene glycol and/or one or more polyalkylene glycol derivatives, 0-10% by weight of a redispersin... | 04/15/2003 |
| 6544327 | Pigment preparation The invention relates to a non-dusting homogeneous pigment preparation which is notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 60% by weight of an aldehyde resin and/or ketonic resin and from 0.1 to 10% by ... | 04/08/2003 |
| 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 composite pigment can be produced by mixing a colorant disp... | 02/18/2003 |
| 6476093 | Frosting composition and frosted glass container There are disclosed a frost-coating composition, which comprises (i) a hydrophobic silica particle or further comprises (ii) a polymer particle, in addition to a photocurable compound; and a frosted glass container coated with such a composition. The fros... | 11/05/2002 |
| 6464832 | Method for optically brightening paper A simplified method for the optical brightening of paper either in the pulp mass, the size or metering press or by coating by the use of a formulation of an optical brightening agent together with a swellable layered silicate.... | 10/15/2002 |
