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7544240 |
Composition for ferroelectric thin film formation, ferroelectric thin film and liquid-jet head
A composition for ferroelectric thin film formation, comprising at least a colloidal solution containing metals serving as materials constituting a ferroelectric thin film, the colloidal solution...
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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...
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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...
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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...
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6866711 |
Composite pigment composition containing silica
A composite pigment is provided with the composite pigment including a dense inorganic material and silica. The pigment composition is characterized by a CTAB surface area of greater than about 20...
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6818051 |
Pigments
The invention relates to particles with an opalescent effect, which have a particle size in the range from 5 μm to 5000 μm, comprising monodisperse spheres having a diameter of 50 nm to 2 μm...
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6770130 |
Silica composite oxide particles and method of producing the same
Silica composite oxide particles comprising silica and a metal oxide other than silica, the content of the metal oxide other than silica being from 30 to 50 mol %, and a coefficient of variation in...
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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...
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6270566 |
Process for colouring building materials
A process is disclosed for coloring building materials with inorganic pigments in the form of microgranulates. The granulates comprise one or more pigments and one or more compounds selected from...
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6136083 |
Coated inorganic pigments, process for their production and their use
A description is given of coated inorganic pigments comprising an organic pigment which has a coating, prepared by the sol-gel process from glass-forming components and densified to form a xerogel...
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5482547 |
Silane-coated organic pigments
Compositions comprising a) an organic material of high molecular weight in the form of a paint or varnish or of a printing ink, b) a pigment composition comprising an organic pigment whose...
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5269840 |
Sol bonded colorant clusters and process for making
Colorant clusters comprising an aggregation of a plurality of grains of sol-derived material and colorant. The clusters are particularly useful as pigments in liquid compositions, e.g., paints and...
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5248337 |
Stable lead chromate pigment composition and process for producing the same
A stable lead chromate pigment composition comprising a lead chromate pigment which has been treated by forming a continuous amorphous silica encapsulation on the surface of each particle of the...
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5207828 |
Temperature-stable pigment-colored plastic compositions, process for producing them and means for conducting the process
Plastics are described which contain, in intimate contact with the pigments, boric acid in a quantity of 1 to 20% by weight, preferably 2 to 15% by weight, of the dry pigment. Also described is the...
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5194089 |
Coated spinel color pigments, process for their production and use
Coated spinel color pigments with a core of a colored spinel, in particular CoAl 2 O 4 , and a coating glassy layer of a silicate are described. The coating layer is essentially silicon dioxide...
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4530725 |
Preparation of thermally stable lead chromate pigments
Thermally stable lead chromate pigments or pigments containing lead chromate, which have high color strength and are provided with a precipitated coating containing silicon dioxide, are prepared by...
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4500361 |
Process for the preparation of treated lead chromate based pigments
A process for the preparation of lead chromate based pigments comprising the steps of nucleation and growth and wherein: (a) the lead ion is released by means of time and/or temperature...
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4247338 |
Metal chromate pigment compositions
Metal chromate and particularly lead chromate pigment compositions exhibiting low dusting characteristics and improved heat stability in thermoplastics are described. The pigment compositions...
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4059459 |
Lead chromate pigment with improved thermal stability
Dense silica-coated lead chromate pigment prepared by adding from 0.2% to 1% by weight of a soluble silicate compound to an aqueous solution of chromate, and, optionally, at least one of sulfate...
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4054465 |
Lead chromate pigments
Lead chromate-containing pigments having improved dispersibility, heat stability and resistance to abrasion in thermoplastic systems are described. The improved pigments of this invention comprise...
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4046588 |
Method for the manufacture of a lead chromate-containing pigment having a low acid soluble lead content
A process for the production of lead sulfochromate or lead chromate-sulfate-molybdate type pigments having a low content of acid soluble lead, good color and tinting properties and excellent...
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4015998 |
2,9-Dichloroquinacridone pigment compositions
The disclosure teaches the preparation of a unique 2,9-dichloroquinacridone which provides a heat stable, highly dispersible magenta colorant suitable for use in plastics and the like where heat...
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3973982 |
Coated pigments
This invention relates to pigments and, more particularly, to the provision of a coating on pigments to improve their heat stability and/or abrasion resistance.
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3962173 |
Process for the preparation of easily dispersible and stable molybdate red and chrome yellow pigments
The dispersibility of molybdate red and chrome yellow pigments is improved by precipitating onto the pigment stabilized by silicium dioxide, aluminum oxide and/or antimony trioxide a mono-, di- or...
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3956005 |
Coated pigment composition having improved abrasion resistance and process for preparation thereof
A coated pigment composition having improved resistance, especially to abrasion, is disclosed, said coated pigment composition consisting essentially of particles composed mainly of an inorganic...
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3942998 |
Molybdate orange pigment with improved thermal stability
Molybdate orange pigment treated with from 0.1 to 30% of a boron compound. The boron-treated molybdate orange pigments when coated with dense, amorphous silica are particularly useful for coloring...
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3929500 |
Chrome yellow pigment with improved thermal stability
Chrome yellow pigment treated with from 0.2 to 18% of a boron compound. The boron-treated chrome yellow pigments, when coated with dense, amorphous silica, are particularly useful for coloring high...
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3923538 |
PRIMROSE CHROME YELLOW PIGMENT AND PROCESS FOR ITS PREPARATION
A primrose type chrome yellow pigment of improved thermal stability is prepared. The pigment contains at least one hydrous oxide and an orthorhombic phase lead chromate-lead sulfate solid solution...
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3853573 |
FLUXING AGENT MODIFIED PIGMENTARY COMPOSITIONS
Pigmentary compositions are produced by calcining agglomerated particles of anhydrous silicates bonded together by inorganic binders with the aid of fluxing agents. In some compositions hydrated...
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3798045 |
SILICA ENCAPSULATED LEAD CHROMATE PIGMENT OF THE PRIMROSE YELLOW SHADE
A primrose yellow shade pigment of outstanding light stability is prepared. The pigment comprises orthorhombic phase particles of a chemically prereduced lead chromate-lead sulfate solid solution,...
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3773535 |
ABRASION RESISTANT STABILIZED LEAD CHROMATE PIGMENTS COATED WITH SILICA AND POLYOLEFIN WAX
Lead chromate pigments are improved by coating the pigment particles with a layer of silica and then encapsulating the silica coated particles in polyolefin wax. Such pigments when used in...
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3639133 |
PROCESS FOR MAKING SILICA-COATED LEAD CHROMATE PIGMENTS AND PRODUCT THEREOF
Silica-coated lead chromate pigments having improved stability in use under abrasive conditions are prepared by processes in which the lead chromate pigment particles, in a liquid slurry, are...
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3470007 |
STABILIZED LEAD CHROMATE PIGMENTS AND PROCESS FOR MAKING SAME
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3434857 |
METHOD OF PRODUCING LEAD CHROMATES
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3370971 |
Silica-coated lead chromate pigment
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3118780 |
Chromated lead oxide-silica particles
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3080248 |
Corrosion inhibitive pigment and method of making same
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2813039 |
Lead chromate pigment compositions
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3849394 |
Title is not available
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3846148 |
Title is not available
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3682672 |
Title is not available
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