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Air Products And Chemicals Inc patents


Recent patent applications related to Air Products And Chemicals Inc. Air Products And Chemicals Inc is listed as an Agent/Assignee. Note: Air Products And Chemicals Inc may have other listings under different names/spellings. We're not affiliated with Air Products And Chemicals Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Air Products And Chemicals Inc-related inventors


Alkali-promoted activated alumina adsorbent

An adsorbent for removing co2 from a gas mixture, the adsorbent comprising alumina and a carbonate compound where the carbonate to alumina ir absorbance intensity ratio is reduced by washing the adsorbent with water. The disclosure also describes a method of making adsorbent particles, process for removing co2 from a gas mixture using the adsorbent, and an adsorption unit using the adsorbent.. ... Air Products And Chemicals Inc

Alkali-promoted activated alumina adsorbent

An adsorbent for removing co2 from a gas mixture, the adsorbent comprising alumina and a carbonate compound where the carbonate to alumina ir absorbance intensity ratio is reduced by washing the adsorbent with water. The disclosure also describes a method of making adsorbent particles, process for removing co2 from a gas mixture using the adsorbent, and an adsorption unit using the adsorbent.. ... Air Products And Chemicals Inc

Double-staged oxy-fuel burner

An oxy-fuel burner including a central burner element having a central conduit terminating in a central nozzle and an annular conduit terminating in an annular nozzle surrounding the central conduit, the central conduit flowing a first reactant and the annular conduit flowing a second reactant; a first staging conduit spaced apart from a side of the central burner element and terminating in a first staging nozzle; a second staging conduit spaced apart from an opposite side the central burner element and terminating in a second staging nozzle; a first mechanism to apportion a flow of the second reactant into a non-zero primary flow of the second reactant directed to the annular conduit and a non-zero secondary flow of the second reactant; and a second mechanism to selectively apportion the secondary flow of the second reactant between the staging conduits; wherein one reactant is fuel and the other reactant is oxygen.. . ... Air Products And Chemicals Inc

Aldehyde scavengers for polyurethane foams

A polyurethane composition comprising an aldehyde scavenger, a polyurethane product, and a process for making polyurethane foam are disclosed. The scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. ... Air Products And Chemicals Inc

Monitoring the activity of reforming catalyst

A method and system for determining changes in the catalytic activity of reforming catalyst where an outlet temperature of the catalytic reactor is measured and a temperature approach to equilibrium calculated based on the measured outlet temperature. The temperature approach to equilibrium is compared to an empirical model-based temperature approach to equilibrium calculated for the same operating conditions, the comparison showing changes in the catalytic activity of the reforming catalyst.. ... Air Products And Chemicals Inc

Monitoring the activity of reforming catalyst

A method and system for determining changes in the catalytic activity of reforming catalyst where an outlet temperature of the catalytic reactor is measured and a temperature approach to equilibrium calculated based on the measured outlet temperature. The temperature approach to equilibrium is compared to an empirical model-based temperature approach to equilibrium calculated for the same operating conditions, the comparison showing changes in the catalytic activity of the reforming catalyst.. ... Air Products And Chemicals Inc

Multiple pressure mixed refrigerant cooling process and system

Systems and methods described for increasing capacity and efficiency of natural gas liquefaction processes having a mixed refrigerant precooling system with multiple pressure levels comprisingcooling the compressed mixed refrigerant stream and separating the cooled compressed mixed refrigerant stream into a vapor and liquid portion. The liquid portion provides refrigeration duty to a first precooling heat exchanger. ... Air Products And Chemicals Inc

Exchange column with corrugated structured packing and method for use thereof

An exchange column having at least a first layer of structured packing and a second layer of structured packing, each layer formed from corrugated plates, the corrugated plates of the second layer having an orientation that is rotated at an angle relative to the corrugated plates of the first layer from 20° to 90°, wherein the vertical height of the first layer and/or the vertical height of the second layer is greater than 350 mm or greater than 400 mm.. . ... Air Products And Chemicals Inc

Exchange column with corrugated structured packing and method for use thereof

An exchange column having at least a first layer of structured packing and a second layer of structured packing, each layer formed from corrugated plates, the corrugated plates of the second layer having an orientation that is rotated at an angle relative to the corrugated plates of the first layer from 20° to 90°, wherein the vertical height of the first layer and/or the vertical height of the second layer is greater than 350 mm or greater than 400 mm.. . ... Air Products And Chemicals Inc

Mixed refrigerant cooling process and system

The present invention relates to methods of increasing the operability, capacity, and efficiency of natural gas liquefaction processes, with a focus on mixed refrigerant cycles. The present invention also relates to natural gas liquefaction systems in which the above-mentioned methods can be carried out. ... Air Products And Chemicals Inc

Refrigerant recovery in natural gas liquefaction processes

Described herein is a method of removing refrigerant from a natural gas liquefaction system in which vaporized mixed refrigerant is withdrawn from the closed-loop refrigeration circuit and introduced into a distillation column so as to be separated into an overhead vapor enriched in methane and a bottoms liquid enriched in heavier components. Overhead vapor is withdrawn from the distillation column to form a methane enriched stream that is removed from the liquefaction system, and bottoms liquid is reintroduced from the distillation column into the closed-loop refrigeration circuit. ... Air Products And Chemicals Inc

Composition comprising an onion extract and liposomes

The present invention relates to a composition comprising a first onion extract (a), and liposomes, wherein at least a portion of the onion extract is encapsulated in the liposomes. Furthermore the present invention relates to a method for preparing a composition comprising a first onion extract (a), and liposomes, wherein at least a portion of the onion extract is encapsulated in the liposomes. ... Air Products And Chemicals Inc

Heavy hydrocarbon removal system for lean natural gas liquefaction

A system and method for integrated heavy hydrocarbon removal in a liquefaction system having a lean natural gas source. An economizer located between a main cryogenic heat exchanger and a reflux drum is provided to cool an overhead vapor stream against a partially condensed stream. ... Air Products And Chemicals Inc

Steam-hydrocarbon reforming reactor

Steam-hydrocarbon reforming reactor with a reformer tube containing ceramic-supported catalyst pellets and metal foam particles. The ceramic-supported catalyst pellets have a porous support comprising one or more of alumina, calcium aluminate, and magnesium aluminate. ... Air Products And Chemicals Inc

11/23/17 / #20170336136

Liquefaction method and system

A system and method for liquefaction of a natural gas stream utilizing a plurality of asymmetric parallel pre-cooling circuits. The use of asymmetric parallel cooling circuits allows for greater control over each refrigerant stream during the cooling process and simplifies process control by dedicating heat exchangers to performing similar duties.. ... Air Products And Chemicals Inc

11/23/17 / #20170336028

Compressed gas dispensing

Compressed gas dispensing methods using cascade dispensing from a first plurality of storage vessels and a second plurality of storage vessels. A compressor is used to provide very high pressure compressed gas for the second plurality of pressure storage vessels. ... Air Products And Chemicals Inc

11/09/17 / #20170320729

Method and apparatus for producing a hydrogen-containing product

Process and apparatus for producing a hydrogen-containing product by steam-hydrocarbon reforming of multiple hydrocarbon feedstocks in a production facility utilizing a prereformer in addition to the primary reformer. The temperature of the reactant mixture introduced into the prereformer is controlled depending on the composition of the reactant mixture fed to the prereformer.. ... Air Products And Chemicals Inc

10/12/17 / #20170292783

Method of operating natural gas liquefaction facility

A method for controlling the flow of natural gas and refrigerant in the main heat exchanger of a natural gas liquefaction facility. The method provides for the automated control of a flow rate of a natural gas feed stream through a heat exchanger based on one or more process variables and set points. ... Air Products And Chemicals Inc

10/05/17 / #20170284874

Method for temperature data acquisition

A method for determining temperature information for a plurality of tubes in a furnace where one or more digital images provide temperature information for imaged tubes, and temperature information for non-imaged tubes is determined from the temperature information for the imaged tubes and measured temperatures of combined effluent from the imaged and non-imaged tubes.. . ... Air Products And Chemicals Inc

10/05/17 / #20170284737

Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation

A method and apparatus for liquefying a natural gas feed stream and removing nitrogen therefrom to produce a nitrogen-depleted lng product, in which a natural gas feed stream is fed into the warm end of a main heat exchanger, cooled and at least partially liquefied, withdrawn from an intermediate location of the main heat exchanger and separated to form a nitrogen-enriched natural gas vapor stream and a nitrogen-depleted natural gas liquid stream, the liquid and vapor streams being reintroduced into an intermediate location of the main heat exchanger and further cooled in parallel to form a first lng stream and a first at least partially liquefied nitrogen-enriched natural gas stream, respectively.. . ... Air Products And Chemicals Inc

09/07/17 / #20170254593

Integrated sensor system and methods for combustion processes

An integrated sensor system for use in a furnace system including a furnace having at least one burner and two or more zones each differently affected by at least one furnace parameter regulating energy input into the furnace, including a first temperature sensor positioned to measure a first temperature in the furnace system, a second temperature sensor positioned to measure a second temperature in the furnace system; and a controller programmed to receive the first and second measured temperatures, and to adjust operation of a furnace system parameter based on a relationship between the first and second temperatures, thereby differentially regulating energy input into at least two of the zones of the furnace; wherein the relationship between the first and second temperatures is a function of one or more of a difference between the two temperatures, a ratio of the two temperatures, and a weighted average of the two temperatures.. . ... Air Products And Chemicals Inc

08/24/17 / #20170239641

Modified chabazite adsorbent compositions, methods of making and using them

A method for preparing an adsorbent is disclosed that includes mixing an nay zeolite, aqueous al(oh)3, and aqueous koh, and then heating the resultant mixture for an allotted amount of time to achieve a composition comprising at least 90% single phase chabazite having an si/al ratio of 1.0 to 2.2.. . ... Air Products And Chemicals Inc

08/24/17 / #20170239640

Modified chabazite adsorbent compositions, methods of making and using them

An adsorbent having a composition comprising at least 90% chabazite where the chabazite is a single phase chabazite having an si/al ratio of 1.2 to 1.8, the chabazite includes a mixture of at least two types of cations, and each of the at least two types of cations are in a molar ratio relative to al of at least 0.05.. . ... Air Products And Chemicals Inc

08/17/17 / #20170234612

Treatment of nitrogen-rich natural gas streams

Helium can be recovered from nitrogen-rich natural gas at high pressure with low helium loss by cryogenic distillation of the natural gas after pre-treatment of the gas to remove incompatible impurities and then recovery of natural gas liquid (ngl) from the pre-treated gas by distillation. Overall power consumption may be reduced, particularly if the feed to the helium recovery column system is at least substantially condensed by indirect heat exchange against a first portion of nitrogen-enriched bottoms liquid at first pressure, and a second portion of nitrogen-enriched bottoms liquid at a second pressure that is different from the first pressure.. ... Air Products And Chemicals Inc

08/17/17 / #20170234611

Recovery of helium from nitrogen-rich streams

Overall power consumption in a cryogenic distillation process for recovering helium from nitrogen-rich gases comprising helium may be reduced if the feed to the distillation column system is at least substantially condensed by indirect heat exchange against a first bottoms liquid at first pressure, and a second bottoms liquid at a second pressure that is different from the first pressure.. . ... Air Products And Chemicals Inc

08/03/17 / #20170216761

Heater arrangement for tepsa system

. . The present invention relates to a temperature enhanced pressure swing adsorption (tepsa) process for removing at least two components including a less strongly adsorbed component and a more strongly adsorbed component from a gas mixture, said process comprising using one single heater and at least two adsorber vessels, in each of which repeated cycles comprising an adsorption phase and subsequent regeneration phases.. . ... Air Products And Chemicals Inc

07/13/17 / #20170198905

Oxygen-fuel burner with cavity-actuated mixing

An oxy-gaseous fuel burner (400, 500) or a solid fuel burner (700) having an annular cavity (404, 504, 704) upstream from and proximate to an outlet plane (416, 516, 716) and a converging (434, 734) or converging-diverging nozzle (537) located upstream from and proximal to the cavity (404, 504, 704). The solid fuel burner (700) also is preferably operated so that the velocity of gas exiting a second annulus (730) is less than the velocity of gas exiting a central conduit (710).. ... Air Products And Chemicals Inc

07/13/17 / #20170198904

Solid fuel burner and method of operating

An oxy-gaseous fuel burner (400, 500) or a solid fuel burner (700) having an annular cavity (404, 504, 704) upstream from and proximate to an outlet plane (416, 516, 716) and a converging (434, 734) or converging-diverging nozzle (537) located upstream from and proximal to the cavity (404, 504, 704). The solid fuel burner (700) also is preferably operated so that the velocity of gas exiting a second annulus (730) is less than the velocity of gas exiting a central conduit (710).. ... Air Products And Chemicals Inc

06/15/17 / #20170171418

Thermal imaging in a high temperature furnace

An apparatus and method for thermal imaging of an interior space of a high temperature furnace through an opening in a wall of the furnace. An outer housing houses at least a portion of a rigid borescope. ... Air Products And Chemicals Inc

05/11/17 / #20170133236

Composite abrasive particles for chemical mechanical planarization composition and method of use thereof

. . Polishing compositions comprising ceria coated silica particles offer minimal topography, reduced oxide and nitride losses, while providing high oxide polish rates. These formulations are especially useful for polishing large structures typically used in 3d nand device manufacturing.. ... Air Products And Chemicals Inc

04/27/17 / #20170115246

Method and apparatus for determining heating value

Method and apparatus for determining a heating value of a sample hydrocarbon-containing mixture having hydrocarbons and non-hydrocarbons as mixture components. The sample is reacted with an excess amount of oxidant gas in a reaction chamber to form a product gas containing residual oxygen. ... Air Products And Chemicals Inc

04/27/17 / #20170114430

System and method for control of a copper melting furnace

A method and system of controlling a melting process of copper in a copper melting furnace including measuring at least one furnace parameter, wherein the at least one furnace parameter includes one or both of a furnace temperature and a furnace exhaust oxygen concentration, calculating a first rate of change of the furnace parameter over a first time period, calculating a second rate of change of the furnace parameter over a second time period at least a portion of which occurs after the first time period, comparing the first rate of change with the second rate of change, and indicating substantial completion of a process phase in the furnace when the second rate of change deviates by a predetermined threshold percentage from the first rate of change.. . ... Air Products And Chemicals Inc

04/20/17 / #20170107460

Tin hard mask and etch residual removal

Composition, method and system for pvd tin hard mask removal from 28/20 nm pattern wafers have been disclosed. The composition uses peroxide as oxidizing agent for pvd tin hard mask removal under slightly basic conditions. ... Air Products And Chemicals Inc

03/30/17 / #20170089637

Parallel compression in lng plants using a positive displacement compressor

A system and method for increasing the capacity and efficiency of natural gas liquefaction processes by debottlenecking the refrigerant compression system. A secondary compression circuit comprising at least one positive displacement compressor is provided in parallel fluid flow communication with at least a portion of a primary compression circuit comprising at least one dynamic compressor.. ... Air Products And Chemicals Inc

03/30/17 / #20170088748

Stop-on silicon containing layer additive

Chemical mechanical polishing (cmp) compositions, methods and systems are for polishing patterned semiconductor wafers. The cmp compositions comprising an abrasive and a water soluble aluminum compound additive with a ph>7 suppress cmp stop layer (a silicon containing layer, such as silicon nitride, silicon oxide, or silicon carbide) removal rate. ... Air Products And Chemicals Inc

03/23/17 / #20170081622

Cleaning formulations

A composition useful for removing residue from a semiconductor substrate comprising in effective cleaning amounts: from about 55 to 80% by weight of water; from about 0.3 to about 5.0% by weight of edta; from about 10.0 to about 30.0% by weight of an amine compound wherein the amine compound is selected from the group consisting of a secondary amine, a tertiary amine, and mixtures thereof; from about 0.1 to about 5.0% by weight of a polyfunctional organic acid; from about 0.01 to about 8.0% by weight of a fluoride ion source; from about 0 to about 60% by weight of a water-miscible organic solvent; and from about 0 to about 15% by weight of a corrosion inhibitor.. . ... Air Products And Chemicals Inc

03/23/17 / #20170081185

Method of operating a catalytic steam-hydrocarbon reformer

Method of operating a catalytic steam-hydrocarbon reformer where the steam flow rate at which carbon forms on the inner wall of a catalyst-containing reformer tube is determined, and the steam flow rate to the catalytic steam-hydrocarbon reformer is controlled responsive to the determined steam flow rate at which carbon forms on the inner wall of the catalyst-containing reformer tube.. . ... Air Products And Chemicals Inc

02/16/17 / #20170045290

Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane

Systems and methods are provided for recovering helium from a feed comprising helium, carbon dioxide, and at least one of nitrogen and methane. The feed is separated in a first separator to form helium-enriched stream and a co2-enriched stream. ... Air Products And Chemicals Inc

02/16/17 / #20170042784

Composition for penetrating sugar based delivery system

Water based composition comprising a sugar based delivery system, coemulsifiers and a positively charged molecule, oil, optional auxiliary materials and optional lipophilic active ingredients encapsulated to be used in personal care products including cosmetics. The composition is penetrating into the skin and is, depending on the active included, able to stabilize the substance and reduce its irritation potential.. ... Air Products And Chemicals Inc

02/09/17 / #20170037344

Photoresist cleaning composition used in photolithography and a method for treating substrate therewith

It is disclosed a photoresist cleaning composition for stripping a photoresist pattern having a film thickness of 3-150 μm, which contains (a) quaternary ammonium hydroxide (b) a mixture of water-soluble organic solvents (c) at least one corrosion inhibitor and (d) water, and a method for treating a substrate therewith.. . ... Air Products And Chemicals Inc

02/02/17 / #20170030633

System and method for liquefacation of natural gas

By using the power generated by an expander by an expansion of material gas, the outlet pressure of a compressor is increased, and a requirement on the cooling capacity of a cooler is reduced. The liquefaction system (1) for natural gas comprises a first expander (3) for generating power by expanding natural gas under pressure as material gas; a first cooling unit (11, 12) for cooling the material gas depressurized by expansion in the first expander; a distillation unit (15) for reducing or eliminating a heavy component in the material gas by distilling the material gas cooled by the first cooling unit; a first compressor (4) for compressing the material gas from which the heavy component was reduced or eliminated by the distillation unit by using the power generated in the first expander; a second heat exchanger for exchanging heat between the material gas introduced into the first compressor and the material gas compressed by the first compressor; and a liquefaction unit (21) for liquefying the material gas compressed by the first compressor by exchanging heat with a refrigerant.. ... Air Products And Chemicals Inc

01/26/17 / #20170022612

Methods for depositing group 13 metal or metalloid nitride films

Described herein are methods for forming a group 13 metal or metalloid nitride film. In one aspect, there is provided a method of forming an aluminum nitride film comprising the steps of: providing a substrate in a reactor; introducing into the reactor an at least one aluminum precursor which reacts on at least a portion of the surface of the substrate to provide a chemisorbed layer; purging the reactor with a purge gas; introducing a plasma comprising non-hydrogen containing nitrogen plasma into the reactor to react with at least a portion of the chemisorbed layer and provide at least one reactive site wherein the plasma is generated at a power density ranging from about 0.01 to about 1.5 w/cm2; and optionally purge the reactor with an inert gas; and wherein the steps are repeated until a desired thickness of the aluminum nitride film is obtained.. ... Air Products And Chemicals Inc

01/26/17 / #20170021301

Sour pressure swing adsorption process

Methods and apparatuses for separating co2 and sulfur-containing compounds from a synthesis gas obtained from gasification of a carbonaceous feedstock. The primary separating steps are performed using a sour pressure swing adsorption (spsa) system, followed by an acid gas enrichment system and a sulfur removal unit. ... Air Products And Chemicals Inc

01/12/17 / #20170007956

Perforated adsorbent particles

An adsorption vessel comprising a packed bed region of adsorbent particles contiguously arranged comprising a perforated adsorbent particles, a gas separation process using the perforated adsorbent particles, and methods for making the perforated adsorbent particles. The perforated adsorbent particles each comprise an adsorbent material where the perforated adsorbent particles each have at least 10 channels extending through the particle. ... Air Products And Chemicals Inc








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