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7378070 Phosphorous pentoxide producing methods  
A phosphorous pentoxide producing method includes forming a kiln bed using feed agglomerates with a calcium-to-silica mole ratio of less than 1.0 and maintaining a bed temperature at or above...
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....
6849275 Calcium phosphate composition and method of preparing same  
A method for controlling the formation of a hydroxyapatite bone filler from dry calcium phosphate precursors in an aqueous solution uses coated sodium phosphate powder. The sodium phosphate powder...
6702961 Preparation of lithium-containing materials  
The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides...
6685904 Process for making phosphorus halides and oxyhalides  
Disclosed is a process for producing phosphorous trichloride, phosphorous pentachloride, or phosphorous tribromide by reacting phosphine gas with chlorine gas or bromine gas, in a mixture with...
6667270 Bismuth-and phosphorus-containing catalyst support, reforming catalysts made from same, method of making and naphtha reforming process  
Bismuth- and phosphorus-containing catalyst supports, naphtha reforming catalysts made from such supports, methods of making both support and catalyst, and a naphtha reforming process using such...
6613926 Perchloramido phosphonyl reagents and analogs thereof  
Novel compounds are provided in the form of nucleoside pyrophosphate and triphosphate analogs. In these analogs, the pyrophosphate or triphosphate group is replaced with a moiety that is...
6462022 Lisinopril compositions having large-particle DCPD  
The present invention relates to a pharmaceutical composition comprising lisinopril and dibasic calcium phosphate dihydrate (DCPD), produced by a process comprising mixing lisinopril and DCPD with...
6440380 Preparation of phosphorus (I) oxides, phosphorus (III) oxides, and lower hydrides of phosphorus by catalytic reduction of phosphorus (V) oxides  
A process for the manufacture of phosphorus (I) species, phosphorus (III) species, and lower hydrides of phosphorus from phosphorus (V) species is provided. Particularly, the present invention is...
6136221 Phosphation reagent  
The invention relates to a process for producing a unique phosphation reagent and to a simple, single-stage process utilizing is reagent to produce alkyl phosphate esters having high monoalkyl...
6126719 Recovery of group III element component from group III-V waste materials  
The present invention is directed to an apparatus and method for recovering the group III elemental component of a group III-V material waste material. The method includes heating, under a reduced...
6023006 Method of manufacturing compounds of the monazite type, doped or not doped with actinides and application to the packaging of radioactive waste high in actinides and in lanthanides  
5824433 High conductivity electrolyte solutions and rechargeable cells incorporating such solutions  
This invention relates generally to electrolyte solvents for use in liquid or rubbery polymer electrolyte solutions as are used, for example, in electrochemical devices. More specifically, this...
5771472 Process for the conditioning of radioactive waste using phosphosilicated apatites as the confinement matrix  
The invention relates to a process for the conditioning of radioactive waste using silicated apatites as the confinement matrix. This process consists of incorporating the waste (1) into a...
5688378 Photoassisted oxidation of species in solution  
The invention relates to methods and processes for the photoassisted oxidation of dissolved species such as arsenic, iron, phosphorous and sulphur. Each aspect of the invention involves supplying...
5670687 Process for preparing SiH-containing organochlorosilanes  
The invention relates to a process for preparing organosilanes which contain at least one Si-bonded hydrogen in the presence of a phosphonium catalyst, the phosphonium catalyst itself and also a...
5549878 Processes for the disposal and recovery of phossy water  
Phossy water is a toxic liquid waste that is generated when elemental phosphorus is manufactured, stored, or processed into phosphorus-containing products. Elemental phosphorus may be prsent as a...
5525319 Boron silicates, aluminum silicates, and phosphosilicates for purification of DNA  
Boron silicates, phosphosilicates and aluminum silicates useful as binding surfaces for DNA purification. These compounds allow DNA to be bound and eluted under native conditions (i.e., in the...
5520899 Process for preparing boron, aluminum, and phosphorus silicates for purification of DNA  
A process for preparing borosilicate, aluminosilicate, or phosphosilicate comprising preparing a mixture of SiCl 4 with a specific molar ratio of BCl 3 , AlCl 3 , or PCl 3 ; cooling said mixture...
5503816 Silicate compounds for DNA purification  
The present invention relates to a silicon-containing material which exhibits sufficient hydrophilicity and sufficient electropositivity to bind DNA from a suspension containing DNA and permit...
5368741 Treatment of aqueous phosphorus wastes  
Aqueous phosphorus wastes from the electric furnace production of phosphors and containing heavy metal bearing particulates are treated with lime whereby the phosphorus is converted into useful...
5366945 Supported heteropoly acid catalysts  
There is provided a catalyst comprising a heteropoly acid, such as phosphotungstic acid, supported on a mesoporous crystalline material, such as M41S. A particular form of this M41S support is...
5362465 Method for oxidizing hypophosphite ion  
A method for oxidizing a hypophosphite ion, comprised of bringing a solution containing a hypophosphite ion into contact with at least one catalyst selected from the group consisting of...
5082640 Method of making luminescent grade boron phosphate  
Luminescent grade, small particle size boron phosphate is prepared by reacting diammonium phosphate with an excess amount of boric acid and washing the product with ammonium hydroxide solution.
4980142 Preparation of phosphorous acid  
Phosphorous acid is formed by gaseous phase oxidation of phosphorus with water vapour to form predominantly P 2 O 3 and dissolving the P 2 O 3 so-formed in water. The P 2 O 3 also can be...
4902491 Phosphate feed material for phosphorus electric furnaces and production of same  
Compacted shapes of phosphatic material, suitable as a charge for a phosphorus furnace, are produced by compacting a mixture of calcined phosphate fines and phosphoric acid. The compacted shapes...
4902490 Essentially pure/colorless P.sub.2 NOCl.sub.5  
Essentially pure and colorless N-(dichlorophosphoryl)trichlorophosphazene [P 2 NOCl 5 ] is prepared/purified under relatively moderate conditions, by reacting phosphorous pentachloride with...
4889702 Process for removing metallic constituents from dust obtained during the electrothermal production of yellow phosphorus  
Metallic constituents, especially heavy metal constituents are removed from dust electrostatically separated from a gas mixture consisting substantially of carbon monoxide and phosphorus in vapor...
4874593 Conversion of pyrophoric P.sub.4 -containing material to P.sub.2 O.sub.5 material  
A process for treating a pyrophoric P 4 -containing material to convert it to a substantially non-pyrophoric P 2 O 5 material is described. The process comprises supplying streams of fluid P 4 ...
4871526 Heterogeneous catalytic oxidation of organophosphonate esters  
A method of catalytic oxidation of organophosphonate esters includes introducing the organophosphonate esters in gaseous form into contact with a molybdenum catalyst and effecting such introduction...
4777025 Process for making phosphorus pentoxide of diminished reactivity  
Hexagonal phosphorus pentoxide of diminished reactivity is made by burning liquid yellow phosphorus with a mixture of dry air and pure oxygen inside a combustion zone with the resulting formation...
4762697 Removal of phosphorus from mud  
Phosphorus mud and other phosphorus-containing waste materials are processed to remove water and phosphorus and to leave a solid mass which is safe for disposal. The phosphorus mud is heated to...
4734272 Phospho-gypsum recovery process  
This disclosure involves a process for treating wet phospho-gypsum, a by-product from wet phosphoric acid manufacture, to remove fluorine values so as to make the sulfur values in the...
4713229 Process for purifying phosphoric acid  
Wet process phosphoric acid is freed from heavy metal ions, especially from ions of cadmium, copper, mercury, lead and arsenic and optionally also from organic compounds and sulfuric acid. To this...
4713228 Heat recovery in the manufacture of phosphorus acids  
Heat is recovered from the phosphorus combustion chamber of a furnace phosphoric acid plant by placing in the combustion chamber a heat exchange surface having a protective meta acid coating...
4705529 Process for reducing the reactivity and improving the flow behavior of phosphorus pentoxide  
The reactivity of phosphorus pentoxide is reduced and its flow behavior improved. To this end, phosphorus pentoxide in the form of its hexagonal modification is annealed over a period of 0.5 to 8...
4698216 Production of an aqueous phosphoric acid solution  
Aqueous phorphoric acid solutions are produced by contacting an elemental phosphorus-containing material with an oxygen-containing gas, while both are finely divided and well mixed together in a...
4664896 Process for purifying yellow phosphorus  
In the process of purifying yellow phosphorus by treating liquid yellow phosphorus with active carbon and separating the purified phosphorus from the spent active carbon containing adhering...
4618483 Heat recovery through oxidation of elemental phosphorus in a fluidized bed  
There is disclosed a process for the recovery of the heat values produced during the combustion of phosphorus to phosphorus pentoxide. The disclosed process dries ambient air to produce dry air,...
4617059 Demolition agent for brittle materials  
A demolition agent for brittle materials which is prepared by pulverizing a quick lime clinker including 0.5 to 10.0% by weight of phosphorus components in terms of P 2 O 5 .
4608238 Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid  
This disclosure concerns an improved phospho-gypsum recovery process in which phospho-gypsum waste product and coke are first heated to remove moisture, some SO 2 and other vaporous matter, then...
4603039 Process for making phosphorus pentoxide and optionally phosphoric acid with utilization of the reaction heat  
The disclosure relates to a process for making phosphorus pentoxide by subjecting elemental yellow phosphorus to combustion with dried air inside a steel-made combustion chamber with utilization of...
4525329 Process and apparatus for making phosphorus pentoxide with utilization of reaction heat  
The disclosure relates to a process for making phosphorus pentoxide by subjecting elemental yellow phosphorus to combustion with dried air inside a steel-made combustion chamber with utilization of...
4524052 Borate chloride polymerization catalysts  
New compositions of matter which are halogenated derivatives of borates are disclosed which are catalytically active in the polymerization of halogenated phosphazene trimers and other oligomers are...
4450147 Process for making alkali metal hypophosphite solutions  
The disclosure relates to a process for making alkali metal hypophosphite solutions by reacting yellow phosphorus with an aqueous solution of an alkali metal hydroxide and/or carbonate. The...
4450146 Heat recovery in P.sub.2 O.sub.5 production process  
Waste heat is recovered during the production of phosphorus pentoxide by a process comprising the combustion of phosphorus and the passing of the combustion gases through a fluid bed, wherein the...
4423015 Process of producing defluorinated product from low BPL phosphate rock  
In a process for producing a defluorinated product containing calcium, sodium and phosphorus, by calcination of a mixture of phosphate rock, with caustic soda, phosphoric acid and water, an...
4420466 Process for producing phosphorus pentoxide  
A process for producing phosphorus pentoxide from phosphate ore includes the mixing and formulation of a feed mixture of phosphate ore with lime and solid carbonaceous material in amounts to...
4409195 Purification of silicon source materials  
A process is disclosed for the purification of trichlorosilane and other silicon source materials. Trace impurities of boron and phosphorous are removed from trichlorosilane or dichlorosilane by...
4397826 Method of producing phosphorus pentoxide in a kiln with reduced carbon burnout  
A process for producing phosphorus pentoxide from phosphate ore includes the steps of mixing phosphate ore containing silica with solid carbonaceous material and a silica fluxing agent to form a...
Matches 1 - 50 out of 136 1 2 3 >