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41results about How to "Minimizing corrosion" patented technology
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Aerosol insect repellent composition having low VOC content and method of applying same to the skin
InactiveUS6969521B1Minimizing corrosionBiocideCosmetic preparationsInsect repellentAerosol composition
Disclosed is an aerosol insect repellent composition. The composition has (a) an amount of an insect repellent effective to repel insects when applied to the skin and (b) a cosmetically-acceptable vehicle in which to disperse and deliver the insect repellent active. The vehicle has (i) a VOC component capable of volatilizing upon exposure to a reduction in pressure for delivering the composition in an aerosol form, and (ii) a non-VOC component. The aerosol composition has a VOC content of not greater than about 55 wt. % based upon the weight of the aerosol composition. Further disclosed is a method of repelling insects from skin wherein the aerosol composition is applied to or sprayed on the skin.
Owner:AVON PROD INC
Low-temperature regeneration of zeolite L using ozone
InactiveUS7037871B1Minimizing corrosionMinimize environmental riskMolecular sieve catalystsOther chemical processesHydrocarbonZeolite
A process is disclosed for regenerating a hydrocarbon conversion catalyst comprising zeolite L with ozone. The catalyst is contacted with ozone at a temperature of from about 20 to about 250° C. and a concentration of ozone of from about 0.1 to about 5 mol-%. The catalyst may contain coke. The process at least partially restores the activity of the catalyst. The process is particularly useful for reforming and dehydrocyclodimerization catalysts.
Owner:UOP LLC
Method for mitigating cell degradation due to startup and shutdown via cathode re-circulation combined with electrical shorting of stack
ActiveUS20080038602A1Minimizing corrosionCorrosion minimizationFuel cells groupingFuel cell auxillariesRe circulationElectrical Shorting
Owner:GM GLOBAL TECH OPERATIONS LLC
Scale conditioning agents and treatment method
InactiveUS7344602B2Easily removeShort period of timeNon-ionic surface-active compoundsHollow article cleaningAfter treatmentCorrosion
An improved scale conditioning composition and method is disclosed that results in improved dissolution and disruption of tube scale, hardened sludge and other deposits composed primarily of highly densified magnetite such as those found in heat exchange vessels, particularly steam generators. After treatment with the advanced scale conditioning composition, these magnetite rich deposits are more easily removed using known and commercially available high pressure hydro-mechanical cleaning techniques. The present invention further provides effective cleaning in a short period of time and at relatively low temperatures, while reducing the amount of waste produced and reducing the resulting corrosion of carbon and low alloy steel components within the steam generator during the cleaning process.
Owner:DOMINION ENG
Processes for removing hydrogen sulfide from refined hydrocarbon streams
InactiveUS20110031165A1Reduce the amount requiredReduce amount of corrosionThermal non-catalytic crackingLiquid carbonaceous fuelsProcess equipmentNitrogen
A method for reducing the amount of hydrogen sulfide present in refined hydrocarbon streams and reducing the amount of corrosion in processing equipment contacting the refined hydrocarbon stream. The method includes adding a corrosion inhibitor to the refined hydrocarbon stream in contact with the processing equipment to protect the processing equipment and adding glyoxal to the refined hydrocarbon stream in contact with the protected processing equipment. The corrosion inhibitor includes an organic soluble compound having a nitrogen-containing ring.
Owner:GENERAL ELECTRIC CO
Flexible display device
ActiveUS20180173277A1Corrosion minimizationMinimizing corrosionDigital data processing detailsSolid-state devicesFlexible displayBiomedical engineering
Provided is a flexible display device. The flexible display device includes a flexible substrate, a plurality of sub-pixels, a plurality of lines, a pad part, an outer pad part, and a plurality of outer lines. The plurality of lines is connected to the plurality of sub-pixels. The pad part is connected to the plurality of lines. The outer pad part is disposed to be spaced from the pad part. The plurality of outer lines is connected to the outer pad part. The flexible substrate is bent in a first bending area where the plurality of lines is disposed, and the flexible substrate is bent in a second bending area where the plurality of outer lines is disposed.
Owner:LG DISPLAY CO LTD
Recovery and re-use of anode oxygen from electrolytic cells
InactiveUS6860983B2Maximize recovery of metalCorrosion minimizationCellsPhotography auxillary processesSulfateElectrical battery
A process and apparatus for recovering a metal from a feedstock containing a compound of the metal. The process includes an electrowinning step in which a leachate comprising a salt of the metal, dissolved in an aqueous acid solution, is subjected to electrowinning in an electrolytic cell, wherein elemental metal is deposited on the cathodes of the cell and oxygen is generated at the anodes. The oxygen generated at the anodes is collected and is then at least partially consumed in an oxygen-consuming step of the process. Preferably, the oxygen-consuming step comprises an atmospheric or pressure leaching step in which the metal compounds in the feedstock become dissolved in a leachate in the form of metal salts, preferably sulfates. The recovery and use of anode oxygen in a leaching process encourages the use of mist-reducing technology in existing and new electrowinning facilities.
Owner:HATCH LTD
Photoresist removing compositions
ActiveUS20040202969A1Corrosion minimizationSimple compositionSemiconductor/solid-state device manufacturingChemical paints/ink removersAcetic acidResist
A photoresist polymer remover composition for removing photoresist residuals generated from etching or ashing sub-processes. The disclosed photoresist polymer remover composition includes: (a) 5% to 15% of sulfuric acid based on the total weight of said composition, (b) 1% to 5% of hydrogen peroxide or 0.0001% to 0.05% of ozone based on the total weight of said composition, (c) 0.1% to 5% of acetic acid based on the total weight of said composition, (d) 0.0001% to 0.5% of ammonium fluoride based on the total weight of said composition and (e) remaining amount of water.
Owner:SK HYNIX INC +1
Emulsified soil biocides used in drip irrigation systems
InactiveUS6908592B1Good curative effectCorrosion minimizationBiocideDead animal preservationMedicineDrip irrigation
A soil biocide formulation for aqueous delivery is disclosed. The formulation includes a biocide selected from methyl bromide, chloropicrin, 1-3 dichloropropene (Telone) and methgylisothiocyanate. The formulation also includes an emulsifier containing non-ionic and anionic surfactants.
Owner:TRICAL
Method of manufacturing semiconductor device
InactiveUS20040202967A1Corrosion minimizationSimple compositionSemiconductor/solid-state device manufacturingElectrostatic cleaningAcetic acidResist
A method of manufacturing a semiconductor device includes a process for forming a photoresist pattern. In the disclosed process, residual photoresist polymers are removed using a photoresist polymer remover composition that includes: (a) 5% to 15% of sulfuric acid based on the total weight of said composition, (b) 1% to 5% of hydrogen peroxide or 0.0001% to 0.05% of ozone based on the total weight of said composition, (c) 0.1% to 5% of acetic acid based on the total weight of said composition, (d) 0.0001% to 0.5% of ammonium fluoride based on the total weight of said composition and (e) remaining amount of water.
Owner:SK HYNIX INC
Pressure-sensitive adhesive sheet and method of manufacture thereof
InactiveUS20100255297A1Poor electrical contactMinimizing corrosionFilm/foil adhesivesSpecial surfacesSilver plateAqueous medium
The present invention provides a pressure-sensitive adhesive sheet minimizing the corrosion of metals not in contact with the PSA sheet. PSA sheet 54 has a pressure-sensitive adhesive layer formed from an aqueous pressure-sensitive adhesive composition comprising an adhesive ingredient and a preservative in an aqueous medium. In a metal corrosion test carried out by placing 1 g of the PSA sheet 54 and a silver plate 56 so as not to be in mutual contact in a 50 mL vessel 52 and then closing and holding the vessel 52 at 85° C. for one week, the PSA sheet 54 does not corrode the silver plate 56.
Owner:NITTO DENKO CORP
Crossflow air heater bypass
A boiler system includes combustion air conduit for directing the flow of combustion air through a first air heater (e.g., A-side heater) to a boiler and flue gas conduit for directing the flow of flue gas generated by the boiler to a second air heater (e.g., B-side heater). The combustion air conduit is configured to direct the majority of the combustion air to the first air heater, and the flue gas conduit is configured to direct the majority of the flue gas from the boiler to the second air heater.
Owner:PPL
Inkjet printer having printhead and ink for minimizing corrosion of exposed corrodible structures within printhead
InactiveUS20120287206A1Corrosion minimizationMinimizing corrosionInking apparatusInksEngineeringBorophosphosilicate glass
An inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.
Owner:ZAMTEC
Razor maintenance device and method of use thereof
InactiveUS20140083052A1Avoid corrosionEasy to findOther accessoriesSolid materialOlive oilWaste management
Owner:COSPER STEVE
Inkjet printer having printhead and ink for minimizing corrosion of exposed corrodible structures within printhead
ActiveUS8757779B2Minimizing corrosionAvoid corrosionInking apparatusMeasurement apparatus componentsSilicon oxideBorophosphosilicate glass
An inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.
Owner:MEMJET TECH LTD
Foundation void former unit
A void former unit (10) for use in a concrete foundation (25) includes a plurality of tyres (12) located side-by-side. The void former can have a retention element in the form of tyre tread or conveyor belt (16) located around the perimeter of the plurality of tyres. Typically, each tyre has an in-use upper side wall removed therefrom, thus enabling a fill material (36) to be located within each tyre, and between each tyre and the retention element, and in any voids between the tyres in the unit The improvement comprises arranging a capping element (80) on the unit and / or in-filling the unit with fill material (74,78) formed from tyre or conveyor belt material. The unit can be used in a concrete foundation by arranging one or more of the void former units on the ground and in-filling the units with the fill material and / or covering the units with the capping element prior to concrete pouring.
Owner:ECOFLEX AUSTRALIA
Emulsified soil biocides used in drip irrigation systems
InactiveUS6923937B2Good curative effectMinimizing corrosionBiocideDead animal preservationDrip irrigationNon ionic
A soil biocide formulation for aqueous delivery comprising from about 50 to 99% by weight of the formulation of a fumigant preferably selected from the group consisting of methyl bromide, chloropicrin, 1-3 dichloropropene (Telone), propargyl bromide, dimethyl disulphide methylisothiocyanate and mixtures of them; and from about 50 to 1% emulsifier with the emulsifier being comprised of non-ionic and anionic surfactants.
Owner:TRICAL
Method of removing mineral scales from a substrate with minimized corrosion of the substrate
InactiveUS20200063017A1Corrosion minimizationMinimizing corrosionCleaning apparatusDrilling compositionOrganic acidActive agent
A method of removing mineral scales from a substrate with minimized corrosion of the substrate includes the steps of providing an acid solution providing a corrosion inhibitor solution, applying the acid solution to the substrate to remove mineral scales therefrom, and applying the corrosion inhibitor solution to the substrate to minimize corrosion thereof. The acid solution includes a mineral acid, an organic acid, or a combination thereof. The corrosion inhibitor solution includes an alpha-beta unsaturated aldehyde, a hydrophobic amine, and an oxime. The corrosion inhibitor solution optionally includes formic acid, a surfactant, and a solvent.
Owner:SOLENIS TECH CAYMAN
Thin lightshield process for solid-state image sensors
ActiveUS6878919B1Minimizing corrosionThin lightshieldSolid-state devicesMaterial analysis by optical meansInterconnectionElectrical and Electronics engineering
An image sensor includes a substrate having photosensitive areas; an insulator spanning the substrate; and a first and second layer of a multi-layer metallization structure, wherein the first layer forms light shield regions over selected portions of the photosensitive area as well forming circuit interconnections and barrier regions to prevent spiking into the substrate or gates at contacts in the non-imaging area; and the second layer spanning the interconnections and barrier regions of the first layer only over the non-imaging areas and the second layer overlays edges of the first layer.
Owner:OMNIVISION TECH INC
Corrosion control in and selenium removal from flue gas wet scrubber systems
ActiveUS20120177554A1Minimizing corrosionCorrosion minimizationGas treatmentOther chemical processesFossil fuelAmount of substance
A method and composition for the reduction of the emission of selenium into the environment from the burning of fossil fuels with the use of two chemistries, either individually or in combination with each other. The method uses polydithiocarbamic compounds, including polydithiocarbamic compounds derived from a polymer produced from acrylic-x and alkylamine in conjunction with a scrubber process to capture selenium and reduce its emission in aqueous phase blowdown. The method and composition also helps reduce corrosion in the scrubber process.
Owner:ECOLAB USA INC
Inkjet printer having printhead and ink for minimizing corrosion of exposed corrodible structures within printhead
ActiveUS20120287207A1Corrosion minimizationMinimizing corrosionInking apparatusInksBorophosphosilicate glassEngineering
An inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.
Owner:MEMJET TECH LTD
Sour-gas sweetening solutions and methods
ActiveUS7951347B2Minimizing corrosionReduce molecular weightHydrogenOther chemical processesAqueous solutionSilicon
A sour gas sweetening solution comprises an aqueous solution of a silicon-containing compound and an amine-containing compound. The silicon-containing compound is preferably maintained at a concentration less than or equal to 500 parts per million (“ppm”) more preferably less than or equal to 400 ppm, and most preferably between about 100 ppm and 300 ppm as SiO2. The silicon-containing compound can be MxSiyOz, wherein “M” is a metal and “x”, “y” and “z” are numbers greater than zero. The amine-containing compound can be selected from the group consisting of primary amines, secondary amines and tertiary amines.
Owner:NOVUM ENERGY TECH
Waste Management
InactiveUS20170122132A1Minimizing corrosionEasy maintenanceSteam generation plantsMechanical energy handlingDisposal wasteEnvironmental engineering
The present invention relates to a method for producing steam, the method comprising: (a) passing waste gas through a first boiler to produce steam having a first temperature, and cooled waste gas; (b) removing contaminants from the cooled waste gas to produce clean waste gas; (c) passing the steam having a first temperature through a second boiler; and (d) burning at least a portion of the clean waste gas in the second boiler to produce steam having a second temperature, the second temperature being higher than the first temperature. The method is particularly suited to efficiently generating high temperature, high pressure steam derived from the pyrolysis / gasification of organic waste.
Owner:CHINOOK END STAGE RECYCLING
Method for production of purified (meth)acrylic acid
ActiveUS20090299090A1Corrosion minimizationMinimizing corrosionOrganic compound preparationCarboxylic acid esters separation/purificationMeth-Copper
The present invention relates to reducing corrosion of distillation equipment during azeotropic distillation of (meth)acrylic acid in the presence of dissolved copper, by providing aqueous (meth)acrylic acid having not more than 0.1% by weight formaldehyde, based on the total weight of the aqueous (meth)acrylic acid. The source of the copper may, for example, be copper-based polymerization inhibitors added to the aqueous (meth)acrylic acid and / or distillation equipment.
Owner:ROHM & HAAS CO
Flexible display device
ActiveUS10534399B2Corrosion minimizationMinimizing corrosionDigital data processing detailsSolid-state devicesEngineeringFlexible display
Provided is a flexible display device. The flexible display device includes a flexible substrate, a plurality of sub-pixels, a plurality of lines, a pad part, an outer pad part, and a plurality of outer lines. The plurality of lines is connected to the plurality of sub-pixels. The pad part is connected to the plurality of lines. The outer pad part is disposed to be spaced from the pad part. The plurality of outer lines is connected to the outer pad part. The flexible substrate is bent in a first bending area where the plurality of lines is disposed, and the flexible substrate is bent in a second bending area where the plurality of outer lines is disposed.
Owner:LG DISPLAY CO LTD
Sour-gas sweetening solutions and methods
ActiveUS20100186589A1Minimizing corrosionReduce molecular weightHydrogenOther chemical processesAqueous solutionSilicon
A sour gas sweetening solution comprises an aqueous solution of a silicon-containing compound and an amine-containing compound. The silicon-containing compound is preferably maintained at a concentration less than or equal to 500 parts per million (“ppm”) more preferably less than or equal to 400 ppm, and most preferably between about 100 ppm and 300 ppm as SiO2. The silicon-containing compound can be MxSiyOz, wherein “M” is a metal and “x”, “y” and “z” are numbers greater than zero. The amine-containing'compound can be selected from the group consisting of primary amines, secondary amines and tertiary amines.
Owner:NOVUM ENERGY TECH
Self-adhesive protective wrap
InactiveUS20150353778A1Corrosion minimizationIrregular shapeFilm/foil adhesivesFibre treatmentMicrocrystalline waxPolypropylene glycol
A self-adhesive wrap product includes a non-woven material layer impregnated with a wax formulation. The wax formulation has microcrystalline wax, mineral oil, polypropylene glycol, and soy oil. The self-adhesive wrap product is particularly suitable for minimizing a corrosion of metal components wrapped with the self-adhesive wrap product.
Owner:T VAC
Photoresist removing compositions
ActiveUS6887655B2Minimizing corrosionSimple compositionChemical paints/ink removersSemiconductor/solid-state device manufacturingAcetic acidResist
A photoresist polymer remover composition for removing photoresist residuals generated from etching or ashing sub-processes. The disclosed photoresist polymer remover composition includes: (a) 5% to 15% of sulfuric acid based on the total weight of said composition, (b) 1% to 5% of hydrogen peroxide or 0.0001% to 0.05% of ozone based on the total weight of said composition, (c) 0.1% to 5% of acetic acid based on the total weight of said composition, (d) 0.0001% to 0.5% of ammonium fluoride based on the total weight of said composition and (e) remaining amount of water.
Owner:SK HYNIX INC +1
Method of manufacturing semiconductor device
InactiveUS7049235B2Minimizing corrosionSimple compositionElectrostatic cleaningSemiconductor/solid-state device manufacturingResistAcetic acid
A method of manufacturing a semiconductor device includes a process for forming a photoresist pattern. In the disclosed process, residual photoresist polymers are removed using a photoresist polymer remover composition that includes: (a) 5% to 15% of sulfuric acid based on the total weight of said composition, (b) 1% to 5% of hydrogen peroxide or 0.0001% to 0.05% of ozone based on the total weight of said composition, (c) 0.1% to 5% of acetic acid based on the total weight of said composition, (d) 0.0001% to 0.5% of ammonium fluoride based on the total weight of said composition and (e) remaining amount of water.
Owner:SK HYNIX INC
Thin lightshield process for solid-state image sensors
ActiveUS20050244998A1Minimizing corrosionSolid-state devicesSemiconductor/solid-state device manufacturingEngineeringInterconnection
An image sensor includes a substrate having photosensitive areas; an insulator spanning the substrate; and a first and second layer of a multi-layer metallization structure, wherein the first layer forms light shield regions over selected portions of the photosensitive area as well forming circuit interconnections and barrier regions to prevent spiking into the substrate or gates at contacts in the non-imaging area; and the second layer spanning the interconnections and barrier regions of the first layer only over the non-imaging areas and the second layer overlays edges of the first layer.
Owner:OMNIVISION TECH INC
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