Patents Assigned to TDA Research
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Patent number: 10384193Abstract: A platinum-carbon electrocatalyst material comprising a carbon support having a minimum BET surface area of 1000 m2/g, a nitrogen content of at least 2.5 weight percent, which is present in the form of pyridine, pyridone or pyrrole, a phosphorous content of at least 3 weight percent, which is present in the form of phosphate and phosphonate, and a plurality of platinum nanoparticles dispersed on the carbon support having a maximum average particle diameter of 1.5 nm.Type: GrantFiled: March 22, 2018Date of Patent: August 20, 2019Assignee: TDA Research, Inc.Inventors: Vinh The Nguyen, Steven Dietz, Steve Paglieri
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Patent number: 10266405Abstract: The present invention provides a steam reforming process for heavy oil or hydrocarbons using a circulating fluidized bed reactor, the process having a reforming step and a regeneration step, wherein the reforming step and the regeneration step comprise a bubbling fluidized reactor containing a fluidizable nickel-containing reforming catalyst and produce hydrogen as a product of the reforming bed. The API gravity of the feedstock may be between ?11 and 54, preferably between ?11 and 20.Type: GrantFiled: April 28, 2015Date of Patent: April 23, 2019Assignee: TDA Research, Inc.Inventors: Girish Srinivas, Steven Charles Gebhard, Robert James Copeland
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Patent number: 9927178Abstract: A seasonal process that captures stores and uses water in an ambient temperature-dependent manner to improve the efficiency of a natural gas power plant, comprising: (a) providing a natural gas power plant, the natural gas power plant having a flue gas stream, a cooling tower, and a gas turbine; (b) providing a water collection system; (c) providing a water storage facility; wherein the flue gas stream comprises uncondensed water vapor; wherein the water collection system is operably connected to the flue gas stream and the flue gas stream is directed to flow, at least in part, into the water collection system; wherein the water collection system is operably connected to the water storage facility; wherein the water storage facility is operably connected to the cooling tower and the water storage facility is operably connected to the gas turbine; wherein the process comprises the following steps of condensing flue gas water or using water that has been condensed from the flue gas stream based on outdoor ambieType: GrantFiled: May 8, 2016Date of Patent: March 27, 2018Assignee: TDA Research, Inc.Inventors: Girish Srinivas, Steven Charles Gebhard, Robert James Copeland, David P. Eisenberg
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Patent number: 9901098Abstract: The present invention relates to a method for treating plant pests or pathogens. The disclosed method of protecting plants against pests includes a plant protection composition, wherein the plant protection composition comprises a water-soluble activator and a benefit active precursor. The composition is applied externally to the plant where a benefit active species is generated in situ, thus mitigating the pest.Type: GrantFiled: September 2, 2016Date of Patent: February 27, 2018Assignee: TDA Research, Inc.Inventors: William Bell, Christopher Brian France
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Patent number: 9823134Abstract: A decoupling radiant and convective heat sensing device, and a decoupling radiant and convective heat sensing device with a means for performing calculations and then determining a heat flux and an ambient temperature using formulas or reference tables, and also with a means for alerting a person of hazardous fire conditions based on a calculated heat flux and ambient temperature.Type: GrantFiled: October 24, 2014Date of Patent: November 21, 2017Assignee: TDA Research, Inc.Inventors: Girish Srinivas, Michael Karpuk, Steven Gebhard, Joe Fredrickson
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Patent number: 9808967Abstract: The present invention relates to a process for making polyolefin matrix composites reinforced with continuous carbon fibers. The polymer-fiber composite material comprises a plurality of continuous fibers; and a polyolefin matrix. The present invention also relates to articles of manufacture made substantially from polyolefin matrix composites reinforced with continuous carbon fibers as well as orthopedic implant devices having a wear surface, or bearing comprising a polyolefin matrix composite reinforced with continuous carbon fibers.Type: GrantFiled: September 20, 2016Date of Patent: November 7, 2017Assignee: TDA Research, Inc.Inventor: Michael D Diener
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Patent number: 9714346Abstract: A triarylmethane dye-oximate compound derived from 2,3-butanedione monoxime reacted with a triarylmethane dye. Particular embodiments include a triarylmethane dye selected from methyl violet, crystal violet, fuchsine, pararosaniline, new fuchsine, fuchsine acid, phenol red, malachite green, brilliant green, brilliant blue, Victoria blue B Victoria blue FBR, Victoria blue BO, Victoria blue FGA, Victoria blue 4 R, Victoria blue R or methyl blue. The dye-oximate compound is suitable for use as both a reactive decontaminating compound and a color indicating compound for organophosphates.Type: GrantFiled: September 16, 2016Date of Patent: July 25, 2017Assignee: TDA Research, Inc.Inventors: William Wallace Ellis, III, Brian John Elliott
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Patent number: 9635889Abstract: The present invention relates to a cooling garment, comprising: a moisture-wicking under layer; and an impermeable outer layer, wherein the impermeable outer layer is attached to the moisture-wicking under layer forming at least one channel within the garment having a wetted perimeter of at most 5 inches; and an above ambient pressure gas supply operably attached to the channel. The present invention also relates to the cooling shirt or vest garment, comprising: a moisture-wicking under layer and an impermeable outer layer, wherein the outer layer is attached to the under layer forming a plurality of channels.Type: GrantFiled: March 14, 2014Date of Patent: May 2, 2017Assignee: TDA Research, Inc.Inventors: Robert James Copeland, Girish Srinivas, John David Wright, Steven Charles Gebhard
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Patent number: 9597532Abstract: A wearable breathing apparatus includes a thermal capacitor that a user inhales and exhales through. Inhaled air is cooled as it passes through the thermal capacitor, and exhaled air cools the material of the thermal capacitor for the next breathing cycle. The breathing apparatus may be used by a firefighter, for example, as a lightweight apparatus to enable the firefighter to safely breathe dangerously heated air, for example while in a fire shelter, that may otherwise cause injury to the user. The breathing apparatus advantageously does not require external power for cooling. The thermal capacitor may also be used as a part of a rebreather that uses a scrubber that removes carbon dioxide from exhaled air, for rebreathing. Further, the thermal capacitor may be used for other purposes, such as in recirculation of building air.Type: GrantFiled: June 7, 2013Date of Patent: March 21, 2017Assignee: TDA Research, Inc.Inventors: John David Wright, Robert James Copeland, Girish Srinivas, Steven Charles Gebhard, Michael Edward Karpuk
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Patent number: 9539540Abstract: A rotary moving bed and process for separating a carbon dioxide from a gas stream is disclosed. The rotary moving bed can have a rotational assembly rotating on a vertical axis, and a plurality of sorbent cells positioned horizontally to the axis of rotation that fills a vertical space in the moving bed, where the sorbent cells adsorb the carbon dioxide by concentration swing adsorption and adsorptive displacement. The sorbent can be regenerated and the carbon dioxide recaptured by desorbing the carbon dioxide from the sorbent using concentration swing adsorption and desorptive displacement with steam. The gas flows in the system flow in a direction horizontal to the axis of rotation and in a direction opposite the rotational movement of the sorbent cells.Type: GrantFiled: July 8, 2014Date of Patent: January 10, 2017Assignees: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, TDA RESEARCH, INC.Inventors: Jeannine Elizabeth Elliott, Robert James Copeland, Patrick P. McCall
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Patent number: 9527029Abstract: A circulating moving bed and process for separating a carbon dioxide from a gas stream is disclosed. The circulating moving bed can include an adsorption reactor and a desorption reactor, and a sorbent that moves through the two reactors. The sorbent can enter the adsorptive reactor and one end and move to an exit point distal to its entry point, while a CO2 feed stream can enter near the distal point and move countercurrently through the sorbent to exit at a position near the entry point of the sorbent. The sorbent can adsorb the CO2 by concentration swing adsorption and adsorptive displacement. The sorbent can then transfer to a regeneration reactor and can move countercurrently against a flow of steam through the regeneration reactor. The sorbent can be regenerated and the carbon dioxide recaptured by desorbing the carbon dioxide from the sorbent using concentration swing desorption and desorptive displacement with steam.Type: GrantFiled: July 8, 2014Date of Patent: December 27, 2016Assignee: TDA RESEARCH, INC.Inventors: Jeannine Elizabeth Elliott, Robert James Copeland
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Patent number: 9518171Abstract: The present invention relates to polyolefin matrix composites reinforced with continuous carbon fibers, and a process for making them. The polymer-fiber composite material comprises a plurality of continuous fibers; and a polyolefin matrix, wherein, the polyolefin matrix comprises polyolefin polymer chains with a number average molecular weight of at least 1×106 amu, and wherein, the polymer-fiber composite has a notched impact strength greater than the notched impact strength of a neat polyolefin, wherein the neat polyolefin has an equivalent chemical composition and number average molecular weight as the polyolefin of the polyolefin matrix in the polymer-fiber composite material. The present invention also relates to articles of manufacture made substantially from polyolefin matrix composites reinforced with continuous carbon fibers as well as orthopedic implant devices having a wear surface, or bearing comprising a polyolefin matrix composite reinforced with continuous carbon fibers.Type: GrantFiled: September 11, 2015Date of Patent: December 13, 2016Assignee: TDA Research, Inc.Inventor: Michael D Diener
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Patent number: 9504955Abstract: A process for separating a carbon dioxide from a gas stream is disclosed. The process can include passing the gas stream over a sorbent that adsorbs the carbon dioxide by concentration swing adsorption and adsorptive displacement. The sorbent can be regenerated and the carbon dioxide recaptured by desorbing the carbon dioxide from the sorbent using concentration swing adsorption and desorptive displacement. A carbon dioxide separation system is also disclosed. Neither the system nor the process rely on temperature swing or pressure swing adsorption.Type: GrantFiled: July 8, 2014Date of Patent: November 29, 2016Assignees: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, TDA RESEARCH, INC.Inventors: Jeannine Elizabeth Elliott, Robert James Copeland, Daniel P. Leta, Patrick P. McCall, Chuansheng Bai, Bruce A. DeRites
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Patent number: 9476159Abstract: The present invention provides a method for determining the functionality remaining in a functional fabric, the method comprising the steps of: providing a used functional fabric having a known original functionality, a current wear, and a current unknown functionality, providing a light source, providing a detector, optically measuring the current wear using the light source and the detector, and evaluating the current unknown functionality using a correlation that expresses the current unknown functionality as a function of the current wear, optionally the detector further comprises a digital camera, and wherein the method further comprises the step of: obtaining a magnified image of the functional fabric and quantifying the fractal dimension using a box-method fractal analysis on the image. The method may be applied the insecticide treated fabrics.Type: GrantFiled: March 20, 2015Date of Patent: October 25, 2016Assignee: TDA Research, Inc.Inventors: Christopher Brian France, William Wallace Ellis, Brady Clapsaddle, William Bell, Ronald Cook
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Patent number: 9446343Abstract: A system and method for separating and/or purification of CO2 gas from a CO2 feed stream is described. The system and method include a plurality of fixed sorbent beds, adsorption zones and desorption zones, where the sorbent beds are connected via valve and lines to create a simulated moving bed system, where the sorbent beds move from one adsorption position to another adsorption position, and then into one regeneration position to another regeneration position, and optionally back to an adsorption position. The system and method operate by concentration swing adsorption/desorption and by adsorptive/desorptive displacement.Type: GrantFiled: July 8, 2014Date of Patent: September 20, 2016Assignees: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, TDA RESEARCH, INC.Inventors: Jeannine Elizabeth Elliott, Robert James Copeland, Jeff Lind, Daniel P. Leta, Patrick P. McCall
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Patent number: 9295984Abstract: Sorbents and methods of using them for removing mercury from flue gases over a wide range of temperatures are disclosed. Sorbent materials of this invention comprise oxy- or hydroxyl-halogen (chlorides and bromides) of manganese, copper and calcium as the active phase for Hg0 oxidation, and are dispersed on a high surface porous supports. In addition to the powder activated carbons (PACs), this support material can be comprised of commercial ceramic supports such as silica (SiO2), alumina (Al2O3), zeolites and clays. The support material may also comprise of oxides of various metals such as iron, manganese, and calcium. The non-carbon sorbents of the invention can be easily injected into the flue gas and recovered in the Particulate Control Device (PCD) along with the fly ash without altering the properties of the by-product fly ash enabling its use as a cement additive.Type: GrantFiled: March 15, 2013Date of Patent: March 29, 2016Assignee: TDA Research, Inc.Inventor: Gokhan Alptekin
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Patent number: 9290462Abstract: This invention relates to the composition of matter of polythiols having a chemical structure in FIG. 1. In certain embodiments this invention provides a polythiol with low or no odor and which is a liquid, a waxy solid or a semi-solid at 22° C. In another embodiment the polythiols have a viscosity lower than 100,000 cP at 50° C. In other embodiments, the invention provides a mixture of thiol compounds or a mixture of thiol and amine compounds.Type: GrantFiled: December 17, 2014Date of Patent: March 22, 2016Assignee: TDA Research, Inc.Inventor: Silvia DeVito Luebben
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Patent number: 9120079Abstract: The present invention provides a sorbent for the removal of carbon dioxide from gas streams, comprising: a CO2 capacity of at least 9 weight percent when measured at 22° C. and 1 atmosphere; an H2O capacity of at most 15 weight percent when measured at 25° C. and 1 atmosphere; and an isosteric heat of adsorption of from 5 to 8.5 kilocalories per mole of CO2. The invention also provides a carbon sorbent in a powder, a granular or a pellet form for the removal of carbon dioxide from gas streams, comprising: a carbon content of at least 90 weight percent; a nitrogen content of at least 1 weight percent; an oxygen content of at most 3 weight percent; a BET surface area from 50 to 2600 m2/g; and a DFT micropore volume from 0.04 to 0.8 cc/g.Type: GrantFiled: March 17, 2014Date of Patent: September 1, 2015Assignee: TDA Research, Inc.Inventors: Steven Dean Dietz, Gokhan Alptekin, Ambalavanan Jayaraman
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Patent number: 9044796Abstract: A method of encapsulating and safely transporting hazardous waste is disclosed. The method comprises the steps of: first, providing a waste object at a first location; second, covering the waste object with a closed cell polymer foam; third, allowing a sufficient time for the closed cell polymer foam to cure; and fourth, transporting the covered waste object to a second location. In another embodiment the method comprises the steps of: first, providing a waste object at a first location; second, treating the waste object to decontaminate or neutralize the hazardous waste; third, covering the waste object with a closed cell polymer foam; fourth, allowing a sufficient time for the closed cell polymer foam to cure; and fifth, transporting the covered waste object to a second location.Type: GrantFiled: March 12, 2014Date of Patent: June 2, 2015Assignee: TDA Research, Inc.Inventor: Christopher Brian France
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Patent number: 9040635Abstract: A polymer, optionally made from renewable sources, comprising a specific chemical structure that is a result of the polymerization of ?-hydroxycarbonyl compounds (alpha-hydroxycarbonyl compounds), particularly ?-hydroxyaldehydes (alpha-hydroxyaldehydes) and ?-hydroxyketones (alpha-hydroxyketones), or glycolaldehyde. A method of polymerization, the method comprising the step of reacting trimethylsilyl trifluoromethanesulfonate with the cyclic dimer of one or more ?-hydroxycarbonyl compounds. A method of making said polymer, the method comprising dehydrating a cyclic dimer of one or more ?-hydroxycarbonyl compounds. An end-capped polymer made from one or more ?-hydroxycarbonyl compounds and terminal end-cap groups.Type: GrantFiled: January 17, 2014Date of Patent: May 26, 2015Assignee: TDA Research, Inc.Inventors: Silvia DeVito Luebben, James William Raebiger, Aaron Jeremy Skaggs