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7393466 Compositions and methods for anion absorbent metal hydroxides  
A metal hydroxide complex has a formula Me(OH)4*A − *nH2O or MeO2*A − *nH2O. Preferred complexes are formed in an alkaline medium, and particularly especially preferred anions include cyanide...
7374738 Superhard dielectric compounds and methods of preparation  
Novel superhard dielectric compounds useful as gate dielectrics discovered. Low temperature methods for making thin films of the compounds on substrate silicon are provided. The methods comprise...
7238334 Synthesis and use of hypothiocyanite  
A method of producing hypothiocyanite by combining a hypohalous acid and thiocyanate.
6855658 Hydroxide containing double metal cyanide (DMC) catalysts  
The present invention provides a crystalline, hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II), M 1 x...
6423662 Incipient wetness method for making metal-containing cyanide catalysts  
Metal cyanide catalysts are prepared by first forming a precipitate using no more than a stoichiometric amount of a water-soluble metal salt of the form M x A y , based on the amount of metal...
6255277 Localized use of nitric oxide-adducts to prevent internal tissue damage  
A method for preventing adverse effects associated with the use of a medical device in a patient by introducing into the patient a device of which at least a portion includes a prophylactic or...
6254797 Ionic conducting material having good anticorrosive properties  
The invention relates to an ionically conductive material, to its preparation and to its uses. The material includes at least one ionic compound in solution in an aprotic solvent, chosen from the...
6168694 Methods for and products of processing nanostructure nitride, carbonitride and oxycarbonitride electrode power materials by utilizing sol gel technology for supercapacitor applications  
Metal nitride, carbonitride, and oxycarbonitride powder with high surface area (up to 150 m 2 /g) is prepared by using sol-gel process. The metal organic precursor, alkoxides or amides, is...
5916475 Ionic conducting material having good anticorrosive properties  
An ionically conductive material which contains at least one ionic compound in solution in an aprotic solvent, wherein the ionic compound is selected from the group consisting of compounds of the...
5571757 Substrate of a ceramic material  
The invention relates to a substrate made from a novel type of ceramic material. This material comprises 44-47 at. % Al, 31-39 at. % O, 8-13 at. % C and 8-12 at. % N. Substrates made from this...
5484751 Metal/metalloid nitride/carbide ceramic powders prepared by flash pyrolysis  
Metal and/or metalloid nitride and/or carbide powders, e.g., amorphous or crystalline spherical particulates having a mean diameter greater than 0.2 μm 90% of which being less than 0.4 μm in...
5466429 Process for preparing isocyanic acid from cyanuric acid  
Process for preparing isocyanic acid by bringing cyanuric acid into contact with an aluminum catalyst at temperatures of from 300° to 600° C. and isolating the isocyanic acid formed or directly...
5360601 Process for the preparation of isocyanic acid by the decomposition of N,N-disubstituted ureas  
A process for the preparation of isocyanic acid, characterized in that N,N-disubstituted ureas are decomposed at elevated temperature to a secondary amine of lower volatility and to isocyanic acid,...
5342599 Surface stabilized sources of isocyanic acid  
Composition, method and apparatus for providing a surface stabilized source of HNCO by adsorbing gaseous or liquid HNCO on the surface of a substrate. HNCO stabilized in this manner is not reactive...
5310419 Method of preparing inorganic polymeric water complexes and products so produced  
The present invention provides aqueous processes which create new chemical compositions of matter prepared by reacting, in the presence of aqueous ammonia or other source of reactive NH 2 groups,...
5226955 Polishing composition for memory hard disc  
A polishing composition for memory hard discs used to obtain polished surfaces of a high precision and a high quality with a high stock removal rate. The composition consists of water, alumina...
5171558 Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions  
A method is described for decomposing cyanuric acid at temperatures of less than about 1000° F., and the method comprises heating the cyanuric acid in the presence of a decomposition catalyst...
5158687 Methods of removing undesired ions from aqueous solutions  
A method of removing undesired ions, such as chlorine, hypochlorite, chromium, cyanide and heavy metal ions, from an aqueous preparation containing one or more of said ions consists of adding to...
5118487 Process for producing chlorosulfonyl isocyanate  
Provided is a process for producing chlorosulfonyl isocyanate by reacting sulfur trioxide with cyanogen chloride, which comprises feeding sulfur trioxide and cyanogen chloride simultaneously to the...
5096870 Preparation of iron nitrosyl carbonyl catalyst  
Catalysts suitable for the dimerization of a diolefin, e.g. butadiene to 4-vinylcyclohexene, are prepared by reacting (1) iron chloride and sodium nitrite or alternatively (2) iron nitrosyl...
5078980 Process for the removal of isocyanic acid from a mixture of isocyanic acid and ammonia  
Process for the removal of isocyanic acid from a gaseous mixture of isocyanic acid and ammonia by introducing a tertiary amine or ether at 250° to 600° C. The gaseous reaction mixture is passed...
5057469 Preparation of iron nitrosyl carbonyl catalyst  
Iron nitrosyl carbonyl catalyst is prepared by dissolving impure iron nitrosyl carbonyl in a solvent solution, then adding sufficient miscible non-solvent to the solution to result in separation of...
5051206 Blowing agent composition  
The use as an activator for a chemical blowing agent, or as an accelerator or activator in the vulcanization of rubber, of a reaction product of urea and an oxide, carbonate or hydroxide of zinc,...
4973568 Preparation of a catalyst useful in the dimerization of butadiene  
Catalysts suitable for the dimerization of a diolefin, e.g. butadiene to 4-vinylcyclohexene, are prepared by reacting (1) iron chloride and sodium nitrite or alternatively (2) iron nitrosyl...
H000787 Carbohydrazinium dinitrate  
Carbohydrazinium dinitrate, which is formed by adding 2 moles of nitric a (HNO 3 ) to each mole of carbohydrazide (H 2 NHNCONHNH 2 ). This salt is useful as an oxidizer in slurry gun propellants.
4542006 Catalytic process for the production of urea and ammonium cyanate  
A catalytic process has been found to produce urea or its equivalent, NH 4 NCO, under relatively mild pressure and temperature conditions. This process entails flowing a gas mixture containing NO...
4507270 Process for the preparation of lead and zinc cyanurates  
Lead and zinc cyanurates are known to be suitable as the active ingredients in corrosion inhibiting coating compositions. The invention provides a simplified method of preparing these compounds by...
4496529 Preparation of metal cyanates from alkyl carbamates  
Disclosed is a process for preparing metal cyanates by reacting an alkyl carbamate having the formula ##STR1## wherein R is a lower alkyl group having 1 to 4 carbon atoms with an alkali metal...
4495107 Process for producing alkali metal cyanates  
An alkali metal cyanate is prepared by heating a heterogeneous mixture of urea and an alkali metal carbonate in a solvent which selectively dissolves urea, but not the alkali metal carbonate.
4476102 Molybdenum oxycarbonitride compositions and process for preparing the same  
Novel molybdenum oxycarbonitride compositions are described together with a general method of synthesis. The compositions can be obtained by the relatively low temperature thermal decomposition of...
4432959 Process of producing sodium cyanuarate  
A process for producing sodium cyanurate in the powdery form is disclosed. In this method, iso cyanuric acid is reacted with sodium carbonate or sodium hydrogencarbonate or a mixture of sodium...
4426366 Novel molybdenum oxycarbonitride compositions  
Novel molybdenum oxycarbonitride compositions are described together with a general method of synthesis. The compositions can be obtained by the relatively low temperature thermal decomposition of...
4418047 Stable isocyanic acid compositions  
Stable isocyanic acid compositions containing isocyanic acid in an organic solvent therefor, having a small amount of a labile halide compound, such as carbamoyl chloride.
4401639 Preparation of carbonyl cyanide  
Carbonyl cyanide may be prepared by reacting a solution of a trihalomethyl haloformate in an organic solvent with a cyanide salt in the presence of a phase transfer catalyst. Carbonyl cyanide may...
4389386 HNCO Manufacture by catalytic oxidation of HCN with a Pd doped Ag catalyst  
A process for the manufacture of isocyanic acid by catalytic oxidation of hydrogen cyanide gas utilizing a silver catalyst doped with palladium and a novel metallic silver catalyst in the form of...
4374107 Method for drying isocyanic acid  
Removing water from wet isocyanic acid in organic solution of said isocyanic acid by addition hereto of a hydrogen halide or a compound which forms hydrogen halide in said solution in amount...
4372934 Production of isocyanic acid  
Isocyanic acid is formed directly from nitric oxide, carbon monoxide and hydrogen by contacting a supported bifunctional iridium or rhodium metal catalyst at an elevated temperature with a feed...
4372933 Production of isocyanic acid  
Isocyanic acid is formed directly from nitric oxide, carbon monoxide and hydrogen by contacting a supported iridium or rhodium metal catalyst at an elevated temperature with a feed stream of said...
4364913 HNCO Manufacture by adiabatic air oxidation of HCN  
A process for the air oxidation of hydrogen cyanide to isocyanic acid in the presence of a solid catalyst utilizing adiabatic conditions and controlling temperatures by the proportion of inert gas.
4351814 Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof  
Fibrous hydrotalcites having a hexagonal needle-like crystal structure. The fibrous hydrotalcites are produced by contacting a basic magnesium compound having a needle-like crystal structure and...
4270435 Desensitized primary explosives  
A method for manufacturing explosive articles which contain primary explosives and therefore present explosion hazards during conventional loading and packaging operations is disclosed which...
4255453 Production of isocyanic acid and isocyanates  
A process for the production of isocyanates by the addition of carbon monoxide to a metal or aryl carbamate.
4216191 Method of preparing inorganic-alkali metal salts  
The present invention is directed to a method of preparing an inorganic-alkali metal salt of the formula: ZY wherein Z is an alkali metal selected from the group consisting of lithium and sodium,...
4174377 Formation of cyanate compounds  
The use of a reaction mixture of carbon monoxide, an oxide of nitrogen such as nitric oxide, and a source of hydrogen when passed over a hydrogenation catalyst produces cyanate compounds, e.g.,...
4149942 Process for dissolving metals in fused salt baths  
A process for dissolving metals, alloys or metallic compound materials in metal cyanamide and/or thiocyanate and/or cayanide and/or halide melts containing optionally metal carbonate and/or...
4133868 Isocyanates process III  
A process for producing isocyanates along with hydrogen fluoride and metal carboxylates by reacting a metal salt of an N-organic carbamic acid, RNHCO 2 M, and an acyl fluoride.
4110424 Process for the production of cyanic acid and carboxamides  
Processes are disclosed for providing in situ generated cyanic acid and simultaneously preparing certain carboxamides which have a tertiary aliphatic substituted ammonium or pyridinium group...
4086326 Process for the production of alkali metal cyanide silicate compounds and cyanide silicate compounds  
Hydrated silica and/or silica are reacted chemically with an alkali metal cyanide in a ratio of about 1 mol of hydrated silica or silica to about 1 to 2 mols of the alkali metal cyanide silicate...
4083938 Process for the production of silicoformic cyanide and silicoformic dicyanide  
Silocoformic acid is reacted chemically with hydrogen cyanide to produce silicoformic cyanide and silicoformic dicyanide.
4022873 Process for the production of alkali silicoformic cyanide  
Silicoformic acid is reacted with an alkali metal cyanide, in a ratio of about 1 mol of the silicoformic acid to about 1 to 2 mols of the alkali metal cyanide to produce corresponding substituted...
Matches 1 - 50 out of 133 1 2 3 >