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7365101 Dispersion of pyrogenically produced cerium oxide  
A dispersion of pyrogenically produced cerium oxide, which does not contain any particles larger than 1 μm, is produced by dispersing a pyrogenically produced cerium oxide in water by means of a...
7169820 Rare earth phosphate colloidal dispersion and preparation method  
The invention concerns a colloidal dispersion of a phosphate of a rare earth and a process for its preparation. The dispersion is characterized in that it comprises anisotropic and disaggregated or...
7122581 Cerium phosphate and/or lanthanum sol preparation method and use for polishing  
A cerium and/or lanthanum phosphate sol includes an aqueous phase; particles of a phosphate of at least one rare earth selected from cerium and lanthanum; and an acid other than phosphoric acid,...
6844026 Preparation of particles by hydrolysis of a metal cation in the presence of a polymer  
A subject matter of the invention is a process for the preparation of particles comprising at least one metal ion, which comprises the stage of bringing into contact a precursor a metal cation,...
6559103 Method for producing superconducting oxide compounds  
A process is provided for preparing solid superconducting mixed-metal oxides whereby the superconductor can be formed into any predetermined shape by way of viscous sol precursors. The...
6555510 Bis(perfluoroalkanesulfonyl)imides and their salts as surfactants/additives for applications having extreme environments and methods therefor  
The present invention provides for the use of bis(perfluoroalkanesulfonyl)imide and its salts as surfactants or additives applications having an extreme environment.
6506499 Silicon-yttrium sol coating of metals  
A surface treatment, especially for titanium and aluminum alloys, forms a Si—Y sol-gel film covalently bonded on the metal surface to produce strong, durable adhesive bonds between the metal and...
6500871 Process for preparing colloids of particles coming from the hydrolysis of a salt of a metal cation  
Process for preparing mineral particles in the form of colloids in aqueous dispersion of controlled size from a precursor, comprising: a) the step of putting the said precursor, which is a mineral...
6187824 Zinc oxide sol and method of making  
Disclosed is a zinc-oxide containing sol comprising a core of cerium dioxide sol the surface of which particles is coated with zinc oxide; and the method of making the sol. The sol has a mean...
6042748 Regenerating method and system for fluorescent material  
A method for regenerating a fluorescent material from a recovered phosphor slurry characterized by including a chemical washing step wherein a hypochlorite and a periodate are used; a carbon...
5967964 Aqueous dispersion slurry of inorganic particles and production methods thereof  
The present invention provides production methods for aqueous dispersion slurry of inorganic particles which are so stable as not to increase in viscosity, gel or sediment even if stored for a long...
5962343 Process for producing crystalline ceric oxide particles and abrasive  
According to the present invention, a process is provided for producing crystalline ceric oxide particles having a particle diameter of 0.005 to 5 μm, which comprises the steps of reacting a...
5922330 High pH colloidal dispersion of a cerium compound, and a process for its preparation  
In a first embodiment of the invention, a colloidal dispersion of a cerium compound is characterised in that it has a pH of at least 4 and a conductivity of at most 5 mS/cm. In a second embodiment,...
5889103 Polymer scale preventive agent comprising a condensation product of a quinone compound  
A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing (A) a condensation product having...
5849219 Aqueous dispersion of particles  
The invention relates to a stable aqueous dispersion of particles which can be flocculated by increasing the temperature to a value above the transition temperature. The invention is characterized...
5716547 Stable colloidal dispersions of rare earth compounds  
Stable colloidal dispersions, in water, of rare earth compounds, e.g., yttric rare earth compounds, are produced by (a) reacting, in an aqueous reaction medium, a rare earth oxide with a controlled...
5688439 Colloidal dispersions of cerium oxide core/titanium oxide sheath particulates and photocatalytic coatings provided thereby  
Colloidal dispersions of solid colloidal particulates in a liquid medium, preferably an aqueous medium, said colloidal particulates comprising a core of cerium oxide at least partially coated with...
5624604 Method for stabilizing ceramic suspensions  
A method for dispersing and reducing the rate of dissolution and/or hydration of colloidal ceramic suspensions is described. The method comprises adding to a ceramic suspension a non-polymeric...
5578245 Method of preparing a stable colloid of submicron particles  
The invention provides submicron particles. The invention further provides submicron particles which are dispersed in an aqueous colloid. The invention further provides a method of forming the...
5567353 Method for dispersing ceramic material in an aqueous medium  
A method for dispersing ceramic materials in aqueous media is disclosed. The method uses water-soluble polymers as dispersants and may be used for dispersing various classes of ceramic materials,...
5549846 Method for the continuous preparation of vanadium pentoxide gels and apparatus for implementing the method  
The invention relates to a method for the continuous preparation of vanadium pentoxide gel and an apparatus for implementing the method. According to the present invention, the vanadium pentoxide...
5543126 Process for preparing crystalline ceric oxide  
The present invention is to provide a process for preparing ceric oxide particles used as an abrasive or polishing material for producing semiconductors or as a UV ray-absorbing material for...
5389298 Colloidal dispersions of cerium (IV) compounds in aqueous media  
Weakly acidic colloidal dispersions of cerium (IV) compounds in aqueous media, the colloidal solids of which having the general formula Ce(A) x (NO 3 ) y (OH) 4 -x-y, in which A is the anion of a...
5378400 Preparation of metal oxide sols by electrolysis  
The invention relates to the preparation of single-multi-component metal oxide sols by hydrolysis of an aqueous metal salt solution or a solution of a metal salt mixture by direct electrolysis at...
5376305 Preparing storage stable aqueous colloidal dispersions of cerium (IV) values  
Storage-stable sols are comprised of a colloidal dispersion of Ce (IV) values in an aqueous medium, and optionally colloidal particulates of a cation of a metal M, with said colloidal dispersion...
5344588 Cerium (IV) compound  
A novel cerium (IV) compound, well adopted for the production of aqueous colloidal sols therefrom, has the general formula (I): Ce (Me) x (OH) y (NO 3 ) z (I) wherein M is an...
5308548 Preparing a dispersible, sol-forming cerium (IV) composition  
Preparing a novel cerium (IV) compound, well adopted for the production of aqueous colloidal sols therefrom, has the general formula (I): ##STR1## wherein M is an alkali metal or a quaternary...
5302319 Preparation of sol gel composition for electrophoresis  
A method is taught for the preparation of metal oxide sols particularly suited for the electrophoretic deposition of metal oxide coatings upon a fiber core.
5132048 Weakly acidic colloidal dispersions of cerium (IV) compounds  
Weakly acidic colloidal aqueous dispersions of particulates of a cerium (IV) compound, having a pH ranging from 1.5 to 5, well adapted for catalyst applications, are prepared by (a) acidulating a...
5035834 Novel cerium (IV) compounds  
Novel cerium (IV) compounds having the Formula (I): Ce(OH) x (NO 3 ) y , pCeO 2 .nH 2 O (I) can be directly dispersed in water to produce unique colloidal dispersions thereof.
5021192 Colloidal dispersions of cerium (IV) compound  
Highly concentrated, aqueous colloidal dispersions of a cerium (IV) compound, adapted for the impregnation of catalyst supports, are prepared by reacting an aqueous solution of a cerium (IV) salt...
5006508 Preparation of copper alkoxides and sol/gel precursors of superconducting ceramics  
The invention relates to the preparation of high purity, chloride- and alkali metal-free copper (II) alkoxides by means of the reaction of an alcoholic alkali metal alkoxide solution with copper...
4946820 Preparation and use of tin (IV) oxide dispersion  
A tin(IV) oxide dispersion is prepared by peptising metastannic acid with amine peptising agent such as n-butylamine or cyclohexylamine. The dispesion may be a sol or an intermediate convertible to...
4938983 Stable suspensions of solid particulates in aqueous media  
Suspensions of solid particulates in aqueous media, useful, e.g., as thickeners in a wide variety of foodstuff and industrial applications, are sedimentations stabilized by incorporating therein a...
4904411 Highly loaded, pourable suspensions of particulate materials  
Slurries or suspensions for forming sintered ceramic or metallic articles are described as having a high volume fraction of sinterable particles, at least 55% by volume. while the slurries maintain...
4882088 Slurry for centrifugal classification of colloidal particles  
Removal of classified particles from the classifier apparatus is simplified by the addition of a polymeric dispersant in the slurry, added in an amount substantially in excess of that needed to...
4699732 Preparation of dispersible cerium compound  
The invention provides a process for the preparation of a dispersible cerium compound (i.e. a cerium compound which may be dispersed in a liquid to give a colloidal dispersion (i.e. a sol)). The...
4606847 Process for the preparation of a dispersable product containing a cerium compound in association with a selected metal  
The present invention relates to compounds and more particularly to cerium compounds and cerium compounds in association with other elements. The invention provides a process for the preparation of...
4569920 Preparation of inorganic particle slurries  
Novel aqueous inorganic particle slurries, wherein some of the particles have had their charge potential altered to a sufficient extent to prevent segregation or settling of the particles, are...
4356106 Cerium compounds  
The present invention relates to compounds and more particularly to cerium compounds. According to one aspect of the present invention there is provided a process for the preparation of a...
4232126 Nontacky shaped objects from polymer latices  
Nontacky, elastomeric shaped objects (e.g., pellets or filaments) comprising a normally tacky, uncured elastomer having an integral, porous coating of silicic or aluminic acid polymer can be...
4231893 Process for preparing aqueous dispersion of ceria and resulting product  
The invention is concerned with the preparation of dispersions and particularly with the preparation of dispersions of cerium compounds. The invention provides for the preparation of an aqueous...
4181532 Production of colloidal dispersions  
A colloidal dispersion is disclosed in which colloidal particles of an inorganic substance, and a compound of a Group IIA, or of a Group IIIA, or of a lanthanide (rare earth) element are dispersed...
3657003 METHOD OF RENDERING A NON-WETTABLE SURFACE WETTABLE  
Aqueous wetting solutions comprise stable colloids, the solid phase of which is a hydrous oxide of one or more selected elements. The solid, particulate phase of the colloid is produced by a...
3476740 PROCESS FOR TREATING SULFONATED LIGNIN-CONTAINING MATERIAL AND PRODUCT THEREOF  
3476691 PROCESS FOR PREPARING AN YTTRIA AQUASOL  
3259585 Process for preparing stabilized zirconia sols  
3242095 Process for stabilizing metal oxide sols  
3148151 Method of preparing rare earthactinide metal oxide sols  
3024199 Stable aquasols of hydrous rare earth oxides and their preparation  
Matches 1 - 50 out of 55 1 2 >