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7578878 Pigment grade corrosion inhibitor host-guest compositions and procedure  
A pigment grade corrosion inhibitor and a method of applying the inhibitor is disclosed. The inhibitor is comprised of a host species comprised of an inorganic compound having a layered structure...
7517404 Interference pigments on the basis of silicon oxides  
The present invention relates to pigments, the particles of which generally have a length of from 2 μm to 5 mm, a width of from 2 μm to 2 mm, and a thickness of from 20 nm to 2 μm, and a ratio...
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...
7476272 Aluminum trihydrate containing slurries  
The present invention relates to Aluminum trihydrate slurries comprising aluminum trihydrate particles, an acrylic dispersant, citric acid, synthetic hectorite clay, optionally a compound to adjust...
7465430 Apparatus for making metal oxide nanopowder  
There is described an apparatus for making metal oxide particles which are substantially free of coarse tail from an oxidizing agent and a metal reactant in a flow reactor. The apparatus can be a...
7455726 Photostabilised effect pigments  
The present invention relates to photostabilised effect pigments in which one or more calcined and vanadium-containing oxide layers, alone or mixed with sulfates, borates or phosphates, have been...
7390355 Zinc oxide  
A dispersion containing zinc oxide particles having a dispersion particle size of (i) median volume particle diameter in the range from 70 to 130 nm, (ii) less than 16% by volume of particles...
7371275 Titanium dioxide pigment and polymer compositions  
Coated titanium dioxide pigment having high UV absorption properties and use in polymer compositions, especially PVC for building and residential construction is described.
7344590 Silver pigments  
The present invention relates to silver pigments based on transparent, low-refractive-index, platelet-shaped substrates which have a high-refractive-index coating consisting of TiO 2 having a...
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,...
7264672 Titanium dioxide pigment composite and method of making same  
A process for producing an improved titanium dioxide pigment composite is provided, as are particles produced thereby. The process comprises producing a slurry comprising titanium dioxide...
7255735 Surface-modified silicon dioxide-titanium dioxide mixed oxides  
Pyrogenically prepared surface-modified silicon dioxide-titanium dioxide mixed oxides are prepared by spraying pyrogenically prepared silicon dioxide-titanium dioxide mixed oxides with a...
7250080 Process for the manufacture of organosilicon compound-treated pigments  
An improved process for making an organosilicon compound surface-treated titanium dioxide material, comprising (a) forming a mixture of the titanium dioxide material in water, (b) wet milling the...
7169322 Aqueous dispersion, process for its production and use  
Aqueous dispersion containing a silicon-aluminum mixed oxide powder, the powder containing 0.1 to 99.9 wt. % Al 2 O 3 and Si—O—Al-bonds. The dispersion can be produced using dispersing and/or...
7135206 Coated titanium dioxide particles  
A method for producing nanoscale titanium dioxide particles which are coated with an oxide, a hydroxide or an oxide hydroxide of Al, Ce, Zr and/or Si wherein the enzymatic precipitant system...
7135065 Method for the post-treatment of titanium dioxide pigments  
The invention relates to a method for the post-treatment of titanium dioxide, in order to produce particularly weather-resistant titanium dioxide pigments with good optical properties. The method...
7118622 Organic dyes suitable for use in drugs and cosmetics laked onto a platy titanium dioxide pigment  
An unsupported platy titanium dioxide pigment containing an organic dye laked thereon. The dyed TiO 2 pigment is useful to color cosmetic, food, and drug formulations.
7101427 Particulate metal oxide  
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...
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)...
7029648 Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatment  
The present invention relates to a process for making durable titanium dioxide pigment by vapor phase deposition of surface treatments on the titanium dioxide particle surface by reacting titanium...
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...
6962622 Titanium dioxide pigment composition  
The invention relates to a titanium dioxide pigment mixture comprising a pigment having high greying stability (pigment type A) and a pigment having increased SiO 2 and Al 2 O 3 content in flaky...
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.
6884289 Colored pigments  
The present invention relates to colored pigments based on multicoated platelet-shaped substrates which are distinguished by the fact that they comprise (A) a coating having a refractive...
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...
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...
6840993 Silver-colored luster pigment  
The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO 2 , a colorless coating and another...
6821333 Color effect materials and production thereof  
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 layer which acts as a reflector...
6805739 Component and manufacture of a photo-catalyst  
A method of manufacturing a photo-catalyst including titanium dioxide and silicon dioxide is provided, wherein titanium dioxide is synthesized by a collosol gelatinization utilizing the water...
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...
6793720 Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigments  
A solid marking composition comprises a solid matrix containing at least one type of optically variable interference pigment flakes. The solid marking composition provides a document or article...
6783586 Easy to disperse, high durability TiO2 pigment and method of making same  
The present invention relates to a TiO 2 pigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting...
6740312 Titanium dioxide particles  
Anatase titanium dioxide particles with a size of at most 100 nm wherein the particles are at least partially covered with a layer of at least one metal oxide, hydroxide or hydroxide oxide and the...
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...
6695906 Continuous processes for producing titanium dioxide pigments  
Titanium dioxide pigments having improved gloss and durability are disclosed. These pigments are prepared by continuous processes, where pH, temperature, and addition times of hydrous silica and...
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...
6648958 Highly light-scattering pigment mixture  
Highly light-scattering pigment mixture featuring (i) 70-99.9% by weight of a component A consisting of spherical silicon dioxide with a diameter of less than 50 μm, coated with titanium dioxide...
6620508 Oxide powder and method for preparing the same, and product using the same  
Firstly, a powder matrix is kept in a fluent state, said powder matrix consisting of a first oxide having an absorbed water amount of 0.1 to 50%, an averaged particle diameter of 0.005 to 0.5 μm...
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...
6605147 Use of surface-coated rutile modification TiO2 pigments as an anticorrosive white pigment  
The use of surface-coated rutile modification TiO 2 pigments having a primary particle grain size d 50 of 0.1 to 1.0 μm as an anticorrosive white pigment, with firstly magnesium phosphate and...
6599351 Anti-corrosive white pigments and method for producing the same  
Anticorrosive white pigments useful for inhibiting corrosion include surface-coated TiO 2 base bodies, preferably in the rutile modification, having Mn 3 (PO 4 ) 2 and one or more of the...
6596070 Interference pigments  
The present invention relates to interference pigments on the basis of multiply coated, platelet-shaped substrates which comprise at least one layer sequence comprising (A) a coating having a...
6596074 Cementitious product with phosphorescense  
The present invention pertains to the use of phosphorescent pigments in cementious materials and allied applications, specifically in use for tile mortars and grouts, pool plasters, wall plasters,...
6582506 Pigment flakes  
Pigment flakes having cores preferably composed of resins, polymers, thermoplastics, and/or thermosets with colorant (pigment and/or dyes) deposited thereon, coating applications thereof, and a...
6544328 Process for preparing pigment dispersible in paints and plastics concentrates  
A process for preparing an improved pigment which is readily dispersible in paints and plastics concentrates is provided. In accordance with the process, a particulate pigment is mixed with water...
6540824 Titanium-iron based composite oxide pigment and method for production thereof  
The present invention provides a yellow pigment which contains a titanium-iron complex oxide of the pseudo-brookite type and produces a stabilized color more yellowish than conventionally and which...
6517629 Methods for making low volatile titanium dioxide pigments  
The present invention provides a process for generating titanium dioxide pigments that have reduced moisture retention. By leaching oxidizer discharge and removing alumina containing compounds, one...
6508290 Method of preparing an aluminum-containing iron oxide nucleus  
The invention relates to a method of preparing an aluminium-containing iron oxide nucleus with an α-FeOOH crystal structure from FeCl 2 . This nucleus is a suitable starting material for the...
6508877 Process for the production of an aluminium-containing iron oxide crystallization nucleus  
The present invention relates to a process for the production of an aluminum-containing iron oxide crystallization nucleus with a α-FeOOH crystal structure from FeCl 2 . This nucleus is suitable...
Matches 1 - 50 out of 244 1 2 3 4 5 >