Patents in Class 423/323

Matches 1 - 50 out of 86

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Match	Document	Document Title
1	7550098	Synthesis of metal compounds under carbothermal conditions Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly...
2	7348100	Product and method for the processing of precursors for lithium phosphate active materials Methods for producing an electrode active material precursor, comprising: a) producing a mixture comprising particles of lithium hydrogen phosphate, having a first average particle size, and...
3	7094328	Strong acids, process for the preparation thereof, and uses thereof The present invention relates to acids of the general formula [I], [R y PF 6-y ] − H + [I], where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated...
4	6921520	Process for upgrading raw phosphate ore The present invention is a process for upgrading feedstock prepared from raw phosphate ore. Phosphorus sludge is burned to produce impure phosphoric acid and the acid is combined with beneficiated...
5	6841301	Fluoroalkyl phosphates for use in electrochemical cells The present invention relates to fluoroalkyl phosphates, to a process for the preparation, and to their use as conductive salts in batteries, capacitors, supercapacitors and galvanic cells.
6	6794083	Fluoroalkylphosphate salt electrolytes The present invention relates to mixtures of fluoroalkylphosphate salts and polymers, methods of producing same, and their use in electrolytes, batteries, capacitors, supercapacitors and galvanic...
7	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...
8	6277780	Preparation of phosphorus-treated activated carbon composition Disclosed is a method for preparing a phosphorus treated activated carbon composition suitable for use as a catalyst support, a catalyst, and an adsorbent. The invention method involves treating...
9	6210830	Lithium fluorophosphates and their use as conducting salts
10	6169222	Remediation of soil polluted with phosphorus-containing wastes Elemental phosphorus was produced by the Tennessee Valley Authority (TVA) at Muscle Shoals, Ala. by smelting phosphatic material with carbon in electric furnaces. Solid wastes containing elemental...
11	6129928	Biomimetic calcium phosphate implant coatings and methods for making the same This invention encompasses porous, nanocrystalline, biomimetic calcium phosphate coatings of the order of 2-30 microns that can be grown on metal implants. The chemical surface treatments and...
12	6051201	Preparation of phosphatic feedstock from phosphorus-containing waste Phosphorus furnaces were operated by the Tennessee Valley Authority (TVA) to produce elemental phosphorus beginning over the period 1936-1976. Elemental phosphorus was lost in phosphorus-containing...
13	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...
14	5292494	Process for production of red phosphorous powder A process for the production of a red phosphorus powder, which comprises heating a yellow phosphorus at the boiling point therof in the presence of a dispersant selected from the group of a...
15	5122359	Process for reprocessing sulfuric acid from phosphorous purification A process for reprocessing sulfuric acid obtained in the purification of yellow phosphorous, which comprises mixing the contaminated sulfuric acid with hydrogen peroxide and reacting this mixture...
16	5075088	Production of red phosphorus Amorphous red phosphorus useful for matches, or as flame retardant is made by forming a slurry of 10-45% red phosphorus in molten white phosphorus, reducing the content of yellow phosphorus to less...
17	5026757	Red phosphorus flame retardant and nonflammable resinous composition containing the same A flame retardant comprising of spherical red phosphorus free of pulverized face which is directly produced in the form of fine powder by conversion of yellow phosphorus, without pulverizing...
18	4968499	Conversion of precipitator dust into phosphorus furnace feedstock A process is disclosed for converting precipitator dust obtained during production of elemental phosphorus into feedstock for the submerged-arc electric furnace. Precipitator dust is agglomerated...
19	4961912	Passivation of elemental phosphorus contained in waste ponds Elemental phosphorus contained in waste ponds can be appropriately passivated to render them substantially less pyrophoric by bringing the elemental phosphorus-containing wastes into contact with...
20	4919906	Processes and equipment for production of elemental phosphorus and thermal phosphoric acid New processes and equipment are disclosed for producing elemental phosphorus and thermal phosphoric acid. Benefits are listed below. 1. Phosphorus-containing solids are recycled to smelting...
21	4904459	Process for working up dusts which are produced in the electrothermal production of phosphorus A process is provided for working up dusts which have been precipitated electrostatically from the gas mixture composed essentially of carbon monoxide and phosphorus vapor produced in the...
22	H000736	Process for making boron nitride using sodium cyanide and boron This a very simple process for making boron nitride by mixing sodium cyanide and boron phosphate and heating the mixture in an inert atmosphere until a reaction takes place. The product is a white...
23	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...
24	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 ...
25	4806325	Process for recovering elemental phosphorus and a metal concentrate from ferrophos Ferrophos is treated in a plasma furnace by maintaining an electric arc between a cathode and at least one point on the surface of the ferrophos which serves as the anode in the presence of an...
26	4783328	Utilization of phosphourus containing by-products Phosphorus values in the raffinate from wet acid purification and nodule fines from an electric phosphorus furnace are recovered as elemental phosphorus by forming briquettes with a bed of the...
27	4780296	Process for producing phosphorus A process for producing phosphorus, which comprises supplying a phosphorite ore to melting simultaneously with feeding paraffin or higher fatty acids C 20 -C 24 , melting the phosphorite ore in...
28	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...
29	4746499	Method of decontaminating a location containing pyrophoric P.sub.4 -contamination A method of decontaminating a location containing pyrophoric P 4 -contamination is described. It comprises bringing to the location a portable vehicle which comprises at least one of the necessary...
30	4744971	Process for treatment of phossy water for recycling In the electric arc furnace production of elemental phosphorus, cold phossy water is segregated from hot phossy water. The cold phossy water is discharged to a lined pond wherein solids settle to...
31	4689121	Recovery of phosphorus from sludge A process of recovering elemental phosphorus from sludge is disclosed wherein the sludge is flash evaporated utilizing a heat transfer means and then separated from the solid impurities contained...
32	4686094	Treatment of pyrophoric elemental phosphorus-containing material Pyrophoric elemental phosphorus-containing material, e.g., solid waste containing high levels of elemental phosphorus (P 4 ), is treated by contact with an oxygen-containing gas, such as air, to...
33	4656020	Production of phosphorus and phosphoric acid Processes are disclosed for recovering solid wastes containing elemental phosphorus. The wastes may cause serious environmental problems at phosphorus furnaces because elemental phosphorus is toxic...
34	4605540	Low volatile fluorine process for making elemental phosphorus The present invention concerns an improvement in the electric furnace process for making elemental phosphorus. The invention features the deliberate addition of an alkali to the burden or charge...
35	4537756	Process for the electrothermal production of yellow phosphorus The disclosure relates to a process for removing foreign components, especially zinc, from the product cycle during the production of yellow phosphorus inside and electrothermal furnace. To this...
36	4526766	Production of red phosphorus Red amorphous phosphorus is formed by thermal conversion of yellow phosphorus by a process wherein thermal conversion is effected while simultaneously the heat of conversion is permitted to effect...
37	4514366	Production of fluid fertilizer from phosphorus furnace waste stream Processes and compositions of matter are disclosed for the production of liquid fertilizers wherein wastewater from a phosphorus smelting furnace is incorporated in liquid fertilizer processes. The...
38	4481176	Treatment for phosphorus-containing waste material The invention is directed to a process for recovering elemental phosphorus values from phosphorus-containing waste materials. The process comprises reducing the size of the solid particulate...
39	4462973	Phosphorus purification Liquid phosphorus as produced by the reduction of a phosphate ore in an electric arc furnace while of high purity contains color-causing impurities that impart to the phosphorus a black color by...
40	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...
41	4421521	Process for agglomerating carbon particles A process and product of waste recovery at phosphorus furnaces is disclosed wherein small sized discrete particles of carbonaceous material or beneficiated phosphate ore are mixed with a mineral...
42	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...
43	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...
44	4389384	Process for reducing phosphate ore A process for producing phosphorus pentoxide from phosphorus ore includes formation of a feed with a phosphate ore, silica and solid carbonaceous material in amounts to produce a feed mixture...
45	4372929	Energy conservation and pollution abatement at phosphorus furnaces A process and product of waste recovery at phosphorus furnaces is disclosed wherein small sized discrete particles of carbonaceous material or beneficiated phosphate ore are mixed with a mineral...
46	4351813	Process for producing phosphorus pentoxide or phosphorus or phosphoric acid A process for producing phosphorus pentoxide from phosphate ores in a rotary-type kiln includes heating, by exposure to a flame, a porous bed comprising phosphate ore and solid carbonaceous...
47	4351809	Process for reducing phosphate ore A process for reducing phosphate ore includes beneficiating phosphate ore to reduce alumina impurities while allowing fluoride impurities to remain in the beneficiated ore, mixing beneficiated ore...
48	4287165	Preparation of high purity phosphorus High purity phosphorus and phosphorus compounds are prepared by first reacting H 3 PO 4 with a lead compound such as PbO to form Pb 3 (PO 4 ) 2 . The Pb 3 (PO 4 ) 2 is reduced with H 2 at a...
49	4273752	Process for making red phosphorus The invention relates to a process for making red phosphorus by subjecting molten yellow phosphorus to a thermal conversion reaction in a closed reaction zone. To this end, a hollow shaft-provided...
50	4272496	Processing elemental phosphorus (P.sub.4) containing gas streams The process of this invention provides for reducing the tendency of a carbon monoxide gas stream, containing a minor level of elemental phosphorus, to corrode metallic surfaces in a combustion zone...

Matches 1 - 50 out of 86

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