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7550297 Synthetic iron oxides and their use as an indicator of reduction in soils (IRIS)  
The present invention present invention relates to improved IRIS Fe oxide paint compositions, to the dried (or cured) residue of such paints, and to devices upon which such paint compositions have...
7503970 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...
7442362 Method for preparing iron oxides  
Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic...
7425234 Iron oxide pigments  
The invention relates to iron oxide pigments comprising an average solid body diameter of 0.1 to 500 μm, and to the production and use thereof.
7410536 Oxidation-stable iron oxide pigments, process for preparing them and their use  
The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use.
7387671 Iron oxide pigments  
Iron Oxide pigment containing greater than 99% iron oxide, having a chloride content of less than 0.1% and a mean solid diameter of 10 to 500 μm and methods of making the same are disclosed.
7387669 Luster pigments having a pronounced glittering effect  
Luster pigments having pronounced sparkle which are based on aluminum platelets which have been coated with iron oxide and have in the precoated state an average platelet size from 8 to 30 μm, an...
7347893 Iron oxide pigments from mill scale  
The current invention relates to a method of manufacturing iron oxide pigments from mill scale. The mill scale is mixed with alien iron oxide and the resultant mixture is heated to a temperature of...
7303622 Lustrous black interference pigments  
The present invention relates to lustrous black interference pigments based on a substrate mixture, characterised in that it has (A) a coating of Fe 3 O 4 (B) a colorless coating consisting...
7294191 Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability  
The present invention relates to pure-coloured, readily dispersible iron oxide red pigments having high grinding stability, to a process for preparing them, and to their use.
7291217 Non-toxic corrosion-protection pigments based on rare earth elements  
A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium,...
7235127 Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use  
The present invention relates to reduction- and oxidation-stable iron oxide black pigments having high color strength, the preparation thereof and the use thereof.
7144455 Process for preparing yellow iron oxide pigments with CaCo3 precipitant  
The present invention relates to a process for preparing yellow iron oxide pigments by the precipitation method from iron(II) chloride or iron(II) sulphate raw material and calcium carbonate...
7128891 Process of making metal containing iron oxide and iron sulfide based nanoparticle materials  
A method and structure for making magnetite nanoparticle materials by mixing iron salt with alcohol, carboxylic acid and amine in an organic solvent and heating the mixture to 200–360 C is...
7060126 Multilayered luster pigments  
The invention relates to multilayered luster pigments based on metallic substrates, which are completely surrounded by a plurality of layers, where these layers comprise at least one layer pack (A)...
7018465 Aerosolized ceramic porcelains and glaze composition  
A spray glaze or opaque composition for coating dental restorations and other surfaces and objects such as hobby ceramics that comprises about 4 to about 50 weight % glaze material, about 5 to...
7018458 Use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants and wetting agents for fillers and pigments in aqueous pigment pastes and ink or paint formulations  
The invention relates to the use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants for preparing aqueous pigment formulations, paints, coating materials, and...
6997982 Pigment with a metallic luster  
The invention relates to a pigment with a metallic luster, comprising a plate-like non-metallic substrate having a thickness lower an 200 nm, which is entirely coated with a metallic layer.
6966998 Security printing  
A method of providing covert security features for documents such as vouchers, packaged goods and banknotes in which the document is provided with a dopant. The dopant consisting of a material...
6953504 Black pigment powder having a low value of magnetization, process for producing the same, and applications thereof  
A black pigment powder having a low value of magnetization according to the present invention is characterized in that it consists of a composite oxide containing Fe 2 TiO 4 as a main component,...
6929690 Pigment with a metallic luster  
A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 μm, which is fully enveloped by a metal layer.
6908600 Method for obtaining pigments for ceramic and glass, and pigments obtained thereby  
A method for obtaining pigments for ceramic and glass, particularly for substrates and coatings, including a step of adding a solution of an iron salt to at least one silicon addition agent...
6875264 Multi-layer effect pigment  
A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index...
6866710 Inorganic spherical absorption pigments  
The present invention relates to inorganic spherical absorption pigments which have a bimodal particle-size distribution, at least one color-providing layer and a final SiO 2 layer, and to the use...
6858294 Coating fluid for forming hard coating and substrates covered with hard coating  
A coating liquid for forming on a substrate surface a hard coat film which exhibits a high refractive index, being excellent in resistance to hot water, weather resistance, scuffing resistance,...
6849196 Process for the preparation of magnetite particles and their use  
The invention relates to a process for the preparation of magnetite particles and to their use.
6849115 Method of manufacturing aluminum-substituted hematite  
A method of manufacturing aluminum-substituted hematite represented by α-(Fe 1-x Al x ) 2 O 3 where x=0.01 to 0.15, by mixing an iron compound and an aluminum compound such that an atomic ratio...
6818052 Method for production of iron ioxide pigments  
The invention provides a process for the production of iron based pigments and anticorrosive additives from elemental iron comprising: a) reacting iron Fe° with ferric sulphate Fe 2 (SO 4 ) 3 and...
6818050 Lacquers and paints and coating material systems  
Paint and coating material system comprising a) at least one solids component comprising at least one organic or inorganic white, black or chromatic pigment, organic or inorganic fillers, or...
6808806 Methods for producing imaged coated articles by using magnetic pigments  
Methods and devices for producing images on coated articles are provided. The methods generally comprise applying a layer of magnetizable pigment coating in liquid form on a substrate, with the...
6800125 Oxide metallic effect materials  
A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective silver layer which acts as a...
6770689 Aqueous glittering ink  
The glittering ink of the present invention contacts scaly glittering particles, a water-soluble resin, a water-soluble organic solvent, colorant and water. The said scaly glittering particles have...
6767633 Transparent medium having angle-selective transmission or reflection properties and/or absorption properties  
The invention relates to a transparent medium comprising multilayer pigments having angle-selective reflection or transmission properties and/or absorption properties, and to their use, in...
6767396 Process for the preparation of aqueous magnetic ink character recognition ink-jet ink compositions  
A process for preparing an aqueous ink-jet ink composition for MICR applications is provided comprising preparing a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition,...
6747073 Multilayer pearl lustre pigment  
Multilayer pearl luster pigment on the basis of a platelet-shaped substrate comprising a material having a refractive index of more than 1.8, which comprises at least (i) a first layer of a...
6740316 Anhydrous pigment paste and its use in cosmetics  
The invention relates to an anhydrous pigmentary paste comprising: from 20 to 32% by volume of at least one solid pigment, with respect to the total volume of the pigmentary paste, a pigment...
6740154 Paint colorant product and method  
A neutral paint colorant has a composition comprising approximately 7.0% Color Index Pigment Yellow 42, 2.4% Color Index Pigment Red 101, and 4.0% Color Index Pigment Black 7. A pre-blended mixture...
6730156 Clustered particle dental fillers  
A filler comprising a substantially amorphous cluster comprising non-heavy metal oxide particles and heavy metal oxide. The filler can be mixed into a hardenable resin to provide radiopaque dental...
6699579 Particulates of controlled dimension  
We make particulates, especially magnetic Fe—Co alloys having high magnetic permeability, of controlled dimensions, especially those having a narrow thickness size distribution centered around a...
6695990 Product and method for coloring concrete  
Pigment-containing granules for use in coloring cement. The granules comprise at least one pigment selected from the group consisting of maganese oxide and iron oxide and a binder. The binder is a...
6692561 Intensely colored interference pigments  
The invention relates to intensely colored interference pigments based on multi-layered plate-like substrates with at least two sequences of layers consisting of (A) a colorless layer with a...
6689206 Process for producing yellow iron oxide pigments  
The present invention relates to a process for producing a yellow iron oxide pigments comprising the steps of I) mixing preprecipitated FeCl 2 and an α-FeOOH nucleus produced by the “alkali”...
6680121 Bismuth-containing laser markable compositions and methods of making and using same  
The present invention relates to additive, pigment or colorant materials which may be used for laser marking. The materials comprise oxides of bismuth and at least one additional metal. Preferred...
6676741 Methods for producing enhanced interference pigments  
Methods and apparatus are provided for uniformly depositing a coating material from a vaporization source onto a powdered substrate material to form a thin coalescence film of the coating material...
6648957 Multilayer nacreous pigment  
Multilayer pearl lustre pigment on the basis of a platelet-shaped substrate comprising a material of low refractive index in the range from 1.35 to 1.8, which comprises at least (i) one first...
6645286 Iron effect pigments  
The present invention is concerned with soft-magnetic iron effect pigments with metallic luster, which are produced by grinding reductively treated carbonyl iron powder, and which are passivated...
6635107 Pigment granulate for coloring building materials and method for producing the same  
The invention pertains to pigment granulates for the coloring of building materials and processes to manufacture such granulates. The pigment granulates are granulated from a mixture containing the...
6620233 Goniochromatic luster pigments which are based on titanium dioxide-coated siliceous platelets heated in a reductive atmosphere  
Goniochromatic luster pigments are based on titanium dioxide-coated silicatic platelets which have been heated in a reducing atmosphere and which comprise at least one layer packet comprising A) a...
6616747 Process for producing granular hematite particles  
The process for producing granular hematite particles of the present invention, comprises passing an oxygen-containing gas through an aqueous ferrous nitrate solution in the presence of iron...
6610136 Pigments for ink jet paper  
Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating and filling compositions for ink jet printing media are manufactured by dry grinding an...
Matches 1 - 50 out of 289 1 2 3 4 5 6 >