Patents Assigned to TDA Research, Inc.
  • Patent number: 11897983
    Abstract: Crosslink-forming monomers, comprising reverse-acrylate groups, and crosslinked polymer networks formed by the polymerization of monomers that comprise said reverse-acrylate crosslink-forming monomers. Crosslink-forming monomers, comprising reverse-acrylate groups, comprising an alkyl, an aryl, an alkoxyl, and an alkylamino group bridging one or more reverse-acrylate groups. Crosslink-forming monomers, comprising reverse-acrylate groups, comprising an alkyl, an aryl, an alkoxyl, and an alkylamino ester groups. Crosslink-forming monomers, comprising reverse-acrylate groups, comprising alkyl groups where the group is selected from the group consisting of a methyl, an ethyl, a propyl, an n-butyl and a t-butyl. Reverse-acrylate crosslink-forming monomers comprise a chemical structure where the two or more polymerizable carbon-carbon double bonds are connected by a crosslinking group on the opposite side of the hydrolysable ester groups relative to normal crosslinking acrylate monomers.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: February 13, 2024
    Assignee: TDA Research, Inc.
    Inventors: Robert Donald Bolskar, James William Raebiger, Rhia M Martin, Silvia De Vito Luebben
  • Patent number: 11890653
    Abstract: A method for cleaning firearm suppressors comprising: providing a used suppressor having an internal cavity with a fouling material deposited on a surface of the internal cavity; providing a cleaning solution; providing an ultra-sonic probe; introducing the cleaning solution into the internal cavity of the used suppressor; contacting at least part of the ultra-sonic probe with the cleaning solution that is introduced inside the internal cavity of the used suppressor; operating the ultra-sonic probe; removing at least part of the fouling material from the surface of the internal cavity of the used suppressor; and, draining the cleaning solution from the used suppressor.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 6, 2024
    Assignee: TDA Research, Inc.
    Inventor: William Wallace Ellis, III
  • Patent number: 11850569
    Abstract: Compositions and methods of preparing the compositions are disclosed for sorbents and other surfaces that can adsorb and desorb carbon dioxide. A sorbent or surface can include a metal compound such as an alkali or alkaline earth compound and a support. The sorbent can be prepared by several methods, including an incipient wetness technique. The sorbents have a CO2 adsorption and desorption profile. A sorbent having high levels of a metal compound and adsorbed CO2 is disclosed.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 26, 2023
    Assignees: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY, TDA RESEARCH, INC.
    Inventors: Jeannine Elizabeth Elliott, Robert James Copeland, Margarita Dubovik, Daniel P. Leta, Patrick P. McCall, Chuansheng Bai, Bruce A. DeRites
  • Patent number: 11786859
    Abstract: A vacuum assisted pressure swing adsorption device for purifying oxygen from air, comprising: a first adsorption bed of LiLSX adsorbent and second adsorption bed of AgLiLSX adsorbent, wherein the first adsorption bed and the second adsorption bed are connected to each other in series. A method for producing medical oxygen using a vacuum assisted pressure swing adsorption device comprising: a first adsorption bed of LiLSX adsorbent and second adsorption bed of AgLiLSX adsorbent, wherein the first adsorption bed and the second adsorption bed are connected to each other in series.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: October 17, 2023
    Assignee: TDA Research, Inc.
    Inventors: Gökhan O. Alptekin, Douwe Bruinsma, Ambalavanan Jayaraman, Brandon Gushlaw
  • Patent number: 11420182
    Abstract: The disclosure generally relates to CCS sorbents, particularly for CO2/H2O displacement desorption process. The sorbent includes an aluminum oxide support and an alkali metal salt impregnated on the support, and a silicon modification of the sorbent to reduce water uptake by the sorbent and make it more hydrophobic. The silicon modification can be an organosilyl moiety added after the initial sorbent is complete, or a silica source added to the aluminum oxide structure, typically via impregnation. The sorbents demonstrate better H2O/CO2 ratios. Compositions and methods of making are disclosed.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: August 23, 2022
    Assignees: ExxonMobile Technology and Engineering Company, TDA Research, Inc. W
    Inventors: Chuansheng Bai, Majosefina Cunningham, Patrick P. McCall, Hans Thomann, Jeannine Elizabeth Elliott, Vinh Nguyen
  • Patent number: 11198109
    Abstract: The disclosure generally relates to CCS sorbents, particularly for CO2/H2O displacement desorption process. The sorbents include an aluminum oxide support that includes two alkali metal salts impregnated on the support. The two alkali metals include a potassium metal salts and a second alkali metal salt which is not potassium. The second metal salt disrupts poisoning effects that degrade sorbent lifetime. The sorbents demonstrate improved CO2 loadings and better H2O/CO2 ratios, as well as improved stability. Compositions and methods of making are disclosed.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: December 14, 2021
    Assignees: ExxonMobil Research and Engineering Company, TDA Research, Inc.
    Inventors: Chuansheng Bai, Majosefina Cunningham, Patrick P. McCall, Hans Thomann, Jeannine Elizabeth Elliott, Vinh Nguyen
  • Patent number: 11090520
    Abstract: A composition that can decontaminate opioids on surfaces or objects, and in particular decontaminate fentanyls on surfaces using an opioid-active reagent and an opioid-effective solubilizing agent, which is a mixture of an alkyl dimethylamine oxide surfactant, an alkyl dimethylamine oxide surfactant, a C8-18 alkyl polyethylene glycol sorbitan fatty ester surfactant, and a C12-14 secondary alcohol ethoxylate surfactant. Preferably, the opioid-active reagent is chlorine dioxide. Additionally, methods for decontaminating opioids on surfaces using this composition.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: August 17, 2021
    Assignee: TDA Research, Inc.
    Inventors: William Bell, Christopher Brian France
  • Patent number: 11077421
    Abstract: The present invention relates to a carbon sorbent the can selectively remove platinum-group metals and other heavy metals such as tin without co-removing organic synthesis products including pharmaceutical intermediates and finished Active Pharmaceutical Ingredients (APIs). The carbon sorbents of the present invention are made from low-cost, high purity starting materials and the resulting carbon sorbents are also very pure. The carbon sorbents possess a combination of certain nitrogen and phosphorous groups combined with mesoporosity (2 to 50 nm diameter pores) that proves the high metal adsorption.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: August 3, 2021
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Steven Dietz
  • Patent number: 11079068
    Abstract: A method for rapidly filling a compressed gas storage tank with a moderated temperature rise using a Coanda nozzle to inject the feed gas into the tank and using the Coanda nozzle to direct the feed gas along the inner surface of the storage tank; entraining the stored gas with the feed gas that is flowing under the influence of the Coanda effect to flow along the inner surface of the gas storage tank; and transferring heat from the flowing gas to the external walls of the tank. Also, a compressed gas storage tank for rapid filling with a moderated temperature rise comprising: a gas storage tank and a Coanda nozzle capable of directing feed gas that is injected into the gas storage tank along the inner surface of the gas storage tank.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: August 3, 2021
    Assignee: TDA Research, Inc.
    Inventors: Ambalavanan Jayaraman, Michael Travis Bonnema
  • Patent number: 10899973
    Abstract: 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 fluidized reactor containing a fluidizable nickel-containing reforming catalyst and produce hydrogen as a product of the reforming bed. The invention produces high purity hydrogen in the synthesis gas product stream and avoids irreversible fouling on the catalyst.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: January 26, 2021
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Steven Charles Gebhard, Robert James Copeland, Steve Schwab
  • Patent number: 10876901
    Abstract: A decoupling radiant and convective heat sensing device having sensor elements facing in different directions, and a decoupling radiant and convective heat sensing device having sensor elements facing in different directions with a means for determining the remaining time before a Self Contained Breathing Apparatus facemask will become compromised by dangerous heat conditions.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: December 29, 2020
    Assignee: TDA Research, Inc
    Inventors: Girish Srinivas, Michael Karpuk, Steven Gebhard, Joe Fredrickson, Andrew D. Galloway
  • Patent number: 10821393
    Abstract: 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: Grant
    Filed: August 11, 2016
    Date of Patent: November 3, 2020
    Assignees: Exxonmobil Research and Engineering Company, TDA Research, Inc.
    Inventors: Jeannine Elizabeth Elliott, Robert James Copeland, Jeff Lind, Daniel P. Leta, Patrick P. McCall
  • Patent number: 10420345
    Abstract: The present invention provides a humidity tolerant CO2 generator that operates in combination with an arthropod trap. The CO2 generator comprises a means for controllably adding solid pellets to an aqueous acid solution, and optionally includes a sound-based counting system for counting the number of pellets dispensed from a feeder reservoir and into a reaction chamber. The invention also provides a method of using the same.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: September 24, 2019
    Assignee: TDA Research, Inc.
    Inventors: Brady Clapsaddle, Joe Fredrickson, William Bell, Trevor Haanstad, Jeff Martin
  • Patent number: 10384193
    Abstract: 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: Grant
    Filed: March 22, 2018
    Date of Patent: August 20, 2019
    Assignee: TDA Research, Inc.
    Inventors: Vinh The Nguyen, Steven Dietz, Steve Paglieri
  • Patent number: 10266405
    Abstract: 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: Grant
    Filed: April 28, 2015
    Date of Patent: April 23, 2019
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Steven Charles Gebhard, Robert James Copeland
  • Patent number: 9927178
    Abstract: 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 ambie
    Type: Grant
    Filed: May 8, 2016
    Date of Patent: March 27, 2018
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Steven Charles Gebhard, Robert James Copeland, David P. Eisenberg
  • Patent number: 9901098
    Abstract: 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: Grant
    Filed: September 2, 2016
    Date of Patent: February 27, 2018
    Assignee: TDA Research, Inc.
    Inventors: William Bell, Christopher Brian France
  • Patent number: 9823134
    Abstract: 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: Grant
    Filed: October 24, 2014
    Date of Patent: November 21, 2017
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Michael Karpuk, Steven Gebhard, Joe Fredrickson
  • Patent number: 9808967
    Abstract: 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: Grant
    Filed: September 20, 2016
    Date of Patent: November 7, 2017
    Assignee: TDA Research, Inc.
    Inventor: Michael D Diener
  • Patent number: 9714346
    Abstract: 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: Grant
    Filed: September 16, 2016
    Date of Patent: July 25, 2017
    Assignee: TDA Research, Inc.
    Inventors: William Wallace Ellis, III, Brian John Elliott