Class 423/595 - Chromium (e.g., chromate, etc.)

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes which comprises chromium.
No. of patents: 129
Last issue date: 11/04/2008

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Number	Title	Issue Date
7445763	Coating powder of Cr or V doped titanium suboxides A coating powder based on chemically modified titanium suboxides, for use in various coating techniques. Coatings produced from this powder are characterized by high electroconductivity, good solid lubricating properties and resistance to wear. For these reasons, th...	11/04/2008
7381394	Method for producing perovskite-type composite oxide Methods of producing a safe and hygienic method for industrially and efficiently producing a perovskite-type composite oxide are provided that can maintain the catalytic activity of a noble metal at a high level. Methods include preparing a precursor of the perovski...	06/03/2008
7357910	Method for producing metal oxide nanoparticles Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently high to vaporize the microparticles into metal vapor, and directing the...	04/15/2008
7255962	Eulytite solid acid electrolytes for electrochemical devices Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a solid acid in a eulytine structure capable of undergoing rotational ...	08/14/2007
7211238	Mesoporous aluminum oxide, preparation and use thereof Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high the...	05/01/2007
7211235	Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ...	05/01/2007
7211234	Hydrothermal growth of lanthanide vanadate crystals for use in laser and birefringent applications and devices The present invention is directed to lanthanide vanadate crystals having the formula LnVO4, wherein Ln is selected from La, Nd, Ce, Pr, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, and combinations of at least two thereof, made by a hydrothermal method ...	05/01/2007
7169733	Visible light-induced photocatalyst A visible light induced, highly oxidative, and highly reductive photocatalyst. The photocatalyst includes a first semiconductor with a bandgap between valence band and conduction band thereof between 2.0 eV and 3.0 eV, and second semiconductor, combined with the fir...	01/30/2007
7147834	Hydrothermal synthesis of perovskite nanotubes A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO3) and strontium titanate (SrTiO3) that have an outer diameter from about 1 nm to about 500 nm and a length from abou...	12/12/2006
7141148	Material for a dimensionally stable anode for the electrowinning of aluminum A material suitable for use as the active anode surface in the electrolytic reduction of alumina to aluminium metal defined by the formula: A1+xB1+δCdO4 where A is a divalent cation or a mixture of cations with a relative...	11/28/2006
7138102	Method for manufacturing highly-crystallized double oxide powder A method for manufacturing a highly-crystallized double oxide powder composed of a single crystal phase which can be used as a phosphor material, a dielectric material, a magnetic material, etc. The method involves forming fine droplets of a raw material solution co...	11/21/2006
7132093	Mesoporous mixed oxide materials as a new class of SOresistant catalysts for hydrocarbon oxidation The oxide materials are of the class of ternary mesoporous mixed oxide materials including lanthanum, a metal M selected from the group consisting of Cr, Mn, Fe, Co, Ni, Cu and Zn, and zirconium or cerium such a mesoporous La—Co—Zr mixed oxide material designate...	11/07/2006
7064238	Conversion of alkanes to oxygenates A process is provided for converting an alkane to an oxygenated product by passing an alkane gas over a first fixed bed containing a higher valence bromide salt to produce an alkyl bromide, a hydrobromic acid, and a lower valence bromide salt. The alkyl bromide and ...	06/20/2006
7033566	Photocatalyst and use thereof for decomposing chemical substance A photocatalyst including a metal oxide semiconductor represented by the formula: In1−xMxAO4 wherein M represents a transition metal element, A represents an element belonging to the Group 5a of the Perio...	04/25/2006
6974566	Method for producing mixed metal oxides and metal oxide compounds A process to produce mixed metal oxides and metal oxide compounds. The process includes evaporating a feed solution that contains at least two metal salts to form an intermediate. The evaporation is conducted at a temperature above the boiling point of the feed solu...	12/13/2005
6924064	Positive active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising same A positive active material for non-aqueous electrolyte secondary battery is provided comprising lithium manganese oxide having such a spinel structure that the half-width (2θ) of the reflection peak corresponding to 440 plane as determined by X-ray diffractometry u...	08/02/2005
6858562	Catalyst for decomposing organic harmful substances and method for decomposing organic halides by use thereof A catalyst of a water insoluble vanadyl sulfate or a complex catalyst, in which a specific oxide and a specific sulfate are combined to the water insoluble vanadyl sulfate are excellent not only in their activity, durability and SO2 resistance, not only i...	02/22/2005
6803027	Molecular decomposition process for the synthesis of nanosize ceramic and metallic powders A process is disclosed for forming a nanosize ceramic powder. A precursor ceramic material is formed of a fugitive constituent and a non-soluble constituent in a single phase. The precursor is contacted with a selective solvent (water, acid, etc.) to form a solution...	10/12/2004
6780394	High pressure production of perovskites and resulting products A perovskite feedstock (powder or preform) is placed in a high-pressure cell of a high pressure/high temperature (HP/HT) apparatus and subjected to pressures in excess of about 2 kbar and temperatures above about 800° C. for a time adequate to increase the density ...	08/24/2004
6753110	Cathode active material for lithium electrochemical cells The invention disclosed relates to a compound of molecular formula LixCryMn2−yO4+z, wherein 2.2	06/22/2004
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 laser-markable bismuth-containing oxide compounds are of th...	01/20/2004
6652829	Continuous calcination of mixed metal oxides A method for continuously calcinating product to form mixed metal oxide powders comprising providing a continuously operated indirectly heated rotary furnace having a heating cavity, introducing raw feedstock including product to be calcined into the heat...	11/25/2003
6616744	Method of forming inorganic pigments The present invention provides a method of forming inorganic pigments using one or more metal alloys. Metal alloys used in the method of the invention are preferably milled to a mean particle size of less than about 10 microns, may be mixed with other met...	09/09/2003
6517795	Process for producing hydrotalcites and the metal oxides thereof A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolyzing the resultant alcoholate mixture with water. The correspondi...	02/11/2003
6514473	Process for producing hydrotalcites and the metal oxides thereof A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolysing the resultant alcoholate mixture with water. The correspondi...	02/04/2003
6503316	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 laser-markable bismuth-containing oxide compounds are of th...	01/07/2003
6500364	Nonlinear optical (NLO) beryllate materials In one embodiment of the present invention, the material is a non-linear optical compound with a general chemical formula (Σi M଱i1)(Σj Mଲj2)(Σk Mγk3	12/31/2002
6482387	Processes for preparing mixed metal oxide powders Described are preferred polymerized organic-inorganic processes for producing mixed metal oxide powders suitable for use in the ceramics and related industries. The preferred processes employ a non-chelating polymer such as polyvinyl alcohol or polyalkyle...	11/19/2002
6475950	Catalytic dehydrogenation processes and chromium catalysts for use therein A chromium catalyst is disclosed for use in dehydrogenation and dehydrocyclization processes....	11/05/2002
6444608	Porous titania, catalyst comprising the porous titania The present invention provides a porous titania, which has an anatase-form crystalline structure, an anatase-form crystallite diameter of 3 nm to 10 nm, a degree of anatase crystallinity of 60% or more, a BET specific surface area of 10 m2 /g o...	09/03/2002
6440279	Chemical milling process for inert anodes A cermet inert anode having a reduced level of contaminating surface metal is disclosed. Methods for preparing cermet inert anodes and methods for treating cermet inert anodes are also disclosed. The methods generally use an oxidizing agent to convert met...	08/27/2002
6365555	Method of preparing metal containing compounds using hydrodynamic cavitation A process for the preparation of nanostructured materials in high phase purities using cavitation is disclosed. The method comprises mixing a metal containing solution with a precipitating agent and passing the mixture into a cavitation chamber. The chamb...	04/02/2002
6361755	Low temperature synthesis of Li4Mn5O12 cathodes for lithium batteries A spinel oxide, Li4 Mn5 O12, is synthesized by a solution phase oxidation reaction of Mn2+ with lithium peroxide in the presence of excess lithium hydroxide, followed by firing at Tࣘ500° C. This material may ...	03/26/2002
6319421	Ceramic oxide powder, method for producing the ceramic oxide powder, ceramic paste produced using the ceramic oxide powder, and method for producing the ceramic paste A method for producing ceramic oxide powder having a grain size of 5 μm or less and exhibiting a uniform grain size distribution is disclosed. The method includes the steps of sufficiently dissolving or uniformly dispersing a raw material of constituent ...	11/20/2001
6306494	Fine particulate synthetic chalcoalumite compounds, process for their production, and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds Novel, fine particulate synthetic chalcoalumite, process for preparation thereof, and a heat insulating agent and agricultural film containing said fine, particulate synthetic chalcoalumite. The above objects are met by synthetic chalcoalumite represented...	10/23/2001
6284215	Manufacturing method of active materials for the positive electrode in alkaline storage batteries A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium ions and aqueous alkali solution each independently and simul...	09/04/2001
6251160	Method of de-chroming and/or depleting the MgO content of steel slag In a process for dechroming, and/or depleting the MgO content of, steel slags, oxygen is introduced into the liquid steel slag to an extent sufficient for converting iron quantitatively to iron oxide and at least 5% by weight of the iron oxide contained i...	06/26/2001
6251150	Slurry composition and method of chemical mechanical polishing using same The present invention provides a slurry composition for chemical mechanical polishing comprising spinel particles having the formula AO.cndot.xZ2 O3 wherein A is at least one divalent cation, Z is at least one trivalent cation, and 0...	06/26/2001
6248477	Cathode intercalation compositions, production methods and rechargeable lithium batteries containing the same Intercalation compositions having spinel structures with crystallites of metal oxides (M2 O3) dispersed throughout the structure are provided having the general formula Li1+x My Mn2-x-y O4....	06/19/2001
6197719	Process for the activation of perovskite type oxide A process for the activation of perovskite-type oxide by increasing its surface area and/or catalytic activity, which comprises: (i) treating perovskite-type oxide hydrothermally with liquid water with water/perovskite-type oxide ratio of above 0.1 at tem...	03/06/2001

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Class 423/595 - Chromium (e.g., chromate, etc.)