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Class 423/512.1 - Oxygen containing


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the product also contains
No. of patents: 42
Last issue date: 04/21/2009


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NumberTitleIssue Date
7521035Method for regenerating a residual substance that contains sulfur and an atomizing burner suited for carrying out said method
A method for the regeneration of residues containing sulphur is characterized in that a droplet stream containing fuel is introduced into the reactor simultaneously with the droplet stream containing the residue and is fed into a pre-reaction zone that is created by...
04/21/2009
7419647Hydrothermally stable Ag-zeolite traps for small olefin hydrocarbon molecules
A hydrocarbon trap comprises an Ag-zeolite which is heated by a unique steaming regimen. ...
09/02/2008
7416717Synthesis of pentahalosulfur peroxides and monoxides
Provided are methods for producing pentahalosulfur peroxides and monoxides, such as bis-(pentafluorosulfur) peroxide, that involve exposing a composition comprising a pentahalosulfur hypohalite, and optionally a sulfur hexahalide or trihalomethyl hypohalite, to a ha...
08/26/2008
7404944Sulfate removal from ethanol
A process for removing sulfates such as hydrogen sulfate, sodium sulfate, and chloride from an ethanol stream by contacting the ethanol stream with a clay material to thereby remove at least a portion of the sulfates. ...
07/29/2008
7338732Gas diffusion substrate and electrode
An electrically conducting gas diffusion substrate, capable of removing oxidizable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a fi...
03/04/2008
7282192Mixed metal oxide containing sulfur
The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ...
10/16/2007
7255962Eulytite 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
7247286Process for production of sodium borohydride from sodium aluminum hydride with recycle of byproducts
A process for production of sodium borohydride. The process comprises the steps of: (a) combining a boric acid ester, B(OR)3 and sodium aluminum hydride to produce sodium borohydride and Al(OR)3; and (b) combining Al(OR)3 and sulfuri...
07/24/2007
7101527Mixed anion materials and compounds for novel proton conducting membranes
The present invention provides new amorphous or partially crystalline mixed anion chalcogenide compounds for use in proton exchange membranes which are able to operate over a wide variety of temperature ranges, including in the intermediate temperature range of abou...
09/05/2006
7029639Desulfurizer comprising activated carbon and method of desulfurization
A desulfurization apparatus for desulfurizing a flue gas containing sulfur oxides through contact with a porous carbon material. The carbon material, which is provided in a desulfurization tower, is at least one species selected from activated carbon and activated c...
04/18/2006
7014831Purification of sulfuryl fluoride
Sulfuryl fluoride, which is useful as a fumigant, may be contaminated with sulfur dioxide and possibly other impurities such as sulfuryl chloride, depending on the way it is produced. According to the invention, sulfur dioxide and, if applicable, sulfuryl chloride f...
03/21/2006
6548037Aluminium polychlorosulphates, process for their preparation and use thereof
Aluminum polychlorosulphates having the general formula (I) Al(OH)l Clm (SO4)n Mp (I) where M represents an alkali metal l, m, n, p represent the number of moles per mole of aluminum, so that 1.74ࣘlࣘ2.25, 0.01à£...
04/15/2003
6521200Catalyst and process for oxidation of sulphur dioxide
A process for the recovery of sulphur trioxide, solutions of sulphuric acid, or organic derivatives thereof, using organic compounds and/or supercritical fluids, and catalyst. The process comprises the steps of passing a mixture of SO2 and an o...
02/18/2003
6497855Process for the production of hydrogen from hydrogen sulfide
A process is provided for the production of hydrogen from hydrogen sulfide by reacting carbon monoxide with hydrogen sulfide to produce hydrogen and carbonyl sulfide, and then reacting the carbonyl sulfide with oxygen to produce carbon monoxide and sulfur...
12/24/2002
6198005Treating methanol containing waste gas streams
A method wherein a methanol-containing waste gas stream, such as a pulp mill waste stream which contains methanol and other waste products, including methyl mercaptans, is passed in contact with a catalyst comprising a supported or unsupported bulk metal ...
03/06/2001
6153123Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same
Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same. The powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention permits the cont...
11/28/2000
6147263Formaldehyde production
A process for the catalytic conversion of methanol to formaldehyde wherein a gas stream containing methanol and oxygen is contacted with a silver catalyst in a first conversion zone containing a silver catalyst to produce an effluent containing formaldehy...
11/14/2000
6086842Recycling of sodium hydroxide and production of gypsum from dry flue gas desulfurization
The present invention is directed towards a system that makes high quality gypsum from a dry flue gas desulfurization process which utilizes a low temperature regeneration of the carbon adsorbent in the flue gas process. The high quality gypsum is easily ...
07/11/2000
5907066Treating methanol-containing waste gas streams
A method wherein a methanol-containing waste gas stream, such as a pulp mill waste stream which contains methanol and other waste products, including methyl mercaptans, is passed in contact with a catalyst comprising certain supported metal oxides in the ...
05/25/1999
5500135Method for effecting gas-liquid contact
Components, usually but not exclusively gaseous components, are removed in a liquid medium from gas streams and chemically converted into an insoluble phase or physically removed. Specifically, hydrogen sulfide may be removed from gas streams by oxidation...
03/19/1996
5372726Compound for the treatment of water polluted with metal ions, process for its production and application
A compound for the treatment of water polluted by metal ions is obtained by the reaction of potassium or sodium hydroxide in aqueous solution with thiocarbamide and potassium or sodium hyposulfate. After a period of settling, a precipitate forms and is re...
12/13/1994
5310498Sulfur dioxide removal from gases using a modified lime
A wet scrubbing process for removing sulfur dioxide from combustion gases uses an aqueous slurry containing calcium components resulting from the slaking of lime, with the slaked lime formed by mixing lime with water containing a calcium sulfur-oxide salt...
05/10/1994
5198201Removal of sulphur and nitrogen oxides from flue gases
A method and apparatus are disclosed for removing pollutants, especially oxides of sulphur and nitrogen, from boiler plant flue gases. A series of heat exchange steps cool the gas and condense acidic condensates. SO3 is removed by condensation,...
03/30/1993
4810483Process for producing anhydrous alkali metal hydrosulfites
A process for producing an anhydrous alkali metal hydrosulfite comprises contacting hydrate crystals of an alkali metal hydrosulfite with an alkaline aqueous solution of a dehydrating agent having a pH of at least about 7. The slurry formed is maintained ...
03/07/1989
4752424Method of manufacturing a rare earth oxysulfide ceramic
There is provided a method of manufacturing a ceramic, wherein a ceramic material is covered with a foil of a metal selected from the group consisting of molybdenum, tungsten, platinum, and rhenium, sealed into an airtight vessel of tantalum or niobium, a...
06/21/1988
4545973Complex metal chalcogenides
Complex metal chalcogenides which are useful for high temperature lubrication applications have the formula: where M is a metal selected from the group consisting of: Mg, V, Mn, Fe, Co, Al, Cu, Ga, In, Bi, As, Ni, Zn, Cd, Sb, Sn and Ce; where M' is a metal sel...
10/08/1985
4357256Sodium hydrosulfite composition
A bleaching composition comprises sodium hydrosulfite, hexamethylenetetramine and a water soluble sulfite such as sodium sulfite or ammonium sulfite, or further a polyphosphate such as a pyrophosphate or a tripolyphosphate and is used in bleaching pulp wi...
11/02/1982
4324768Process for preparation of lead compounds
Disclosed is a process for the preparation of lead compounds which comprises reacting lead monoxide according to the wet method with an inorganic acid or organic acid in the presence of hydroxylamine under such conditions that the initial pH value of the ...
04/13/1982
4218376Process for producing highly chlorinated copper phthalocyanine
Highly chlorinated copper phthalocyanine is produced by charging chlorine under an elevated pressure of 1 to 20 Kg/cm2 (gauge) into a solution of a copper phthalocyanine in the presence of pyrosulfuryl chloride and a catalyst of sulfur or sulfu...
08/19/1980
4192726Thermoelectrochemical process using copper sulfate for producing hydrogen and oxygen from water
A thermoelectrochemical process for production of hydrogen and oxygen from water providing a closed cycle reactant regenerative process wherein the primary energy input is thermal and a smaller electrical energy input is required for an electrolysis step....
03/11/1980
4098883Aluminum compound and pharmaceutical compositions containing same
A new compound, viz., aluminum polyhydroxysulfate hydrate of the formula [Al7 (OH)17 (SO4)2 .multidot. n H2 O] where n equals 10-15, preferably 12, has been found to have outstanding therapeutic value...
07/04/1978
4058587Process for removing impurities from acidic fluid solutions
A process is disclosed for removing impurities such as carbon dioxide, and sulfur dioxide from acidic fluid solutions using a serpentine material and producing a reaction product comprising recoverable metal values and finely divided silica. In accordance...
11/15/1977
4048287Sulfur recovery method
Sulfur recovery from smelter and like exhaust gases by regfrigerating the exhaust gases and removal of most of the contained water and SO2 as a liquid phase, the removal being by liquid spray scrubbing, utilizing previously recovered water, aft...
09/13/1977
4029739Process for removing nitrogen oxides from waste gas
Nitrogen oxides can be efficiently removed from waste gas containing the same by oxidizing nitrogen monoxide into nitrogen dioxide, and then by scrubbing said waste gas with an aqueous scrubbing solution containing (a) a sulfur-containing reducing compoun...
06/14/1977
4005182Stable sodium sulfate-hydrogen peroxide-sodium chloride adduct and process for preparing same
An adduct having the formula: 4Na2 SO4. 2H2 O2. NaCl, is prepared by reacting sodium sulfate with hydrogen peroxide in an aqueous solution, in the presence of sodium chloride in the reaction system....
01/25/1977
4004921Treatment of lead sulphide
A process for the treatment of lead sulphide with an aqueous solution of sulphur dioxide at a temperature of at least 20° C and in the absence of oxygen is disclosed. In a preferred embodiment the lead sulphate and/or lead sulphite so formed is heated wi...
01/25/1977
3992512Finely particulated colloidal platinum compound and sol for producing the same, and method of preparation
This disclosure deals with novel very fine, particulated colloidal platinum of the 15-25 Angstrom size range of unusual catalytic activity and particularly adapted for adsorption upon various substrata, and produced from a new platinum sulfite acid and a ...
11/16/1976
3989797Process for removing sulfur oxides from gas streams
In a system for removing sulfur oxides from flue gas, the gas is contacted by a primary extraction solution containing sodium sulfite as the active compound and some sodium bisulfite in a scrubber, and the resultant extract containing more sodium bisulfit...
11/02/1976
3957959Process for producing fluosulfonic acid
Fluosulfonic acid (HSO3 F) is made by the steps of (1) introducing liquid SO3 and liquid HF separately into a stream of fluosulfonic acid to produce additional fluosulfonic acid, (2) cooling the fluosulfonic acid, and (3) recycling f...
05/18/1976
3954941Process for production of monosilandiol
A dry alkaline earth metal silicate or an alkali metal silicate is reacted with a concentrated mineral acid, forming a white granular mixture. The mineral acid is then neutralized with a dry alkali metal carbonate or hydroxide producing monosilanal and mo...
05/04/1976
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