Patents by Inventor Steven John Pontonio
Steven John Pontonio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9486732Abstract: Adsorbent compositions useful in adsorption and separation processes are made using silicone-derived binding agents. The adsorbent compositions are made from crystallite aluminosilicate particles bound with silicone-derived binding agents, and optionally small amounts of a clay binder, to form agglomerated crystallite particles and are calcined to volatilize the organic components associated with the silicone-derived binding agents. The agglomerated crystallite particles have superior pore structures and superior crush strengths at low binder concentrations and exhibit enhanced N2 adsorption rates and capacities when used in air separation processes.Type: GrantFiled: May 5, 2015Date of Patent: November 8, 2016Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Philip Alexander Barrett, Steven John Pontonio, Persefoni Kechagia, Neil Andrew Stephenson, Kerry C. Weston
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Publication number: 20150231553Abstract: Adsorbent compositions useful in adsorption and separation processes are made using silicone-derived binding agents. The adsorbent compositions are made from crystallite aluminosilicate particles bound with silicone-derived binding agents, and optionally small amounts of a clay binder, to form agglomerated crystallite particles and are calcined to volatilize the organic components associated with the silicone-derived binding agents. The agglomerated crystallite particles have superior pore structures and superior crush strengths at low binder concentrations and exhibit enhanced N2 adsorption rates and capacities when used in air separation processes.Type: ApplicationFiled: May 5, 2015Publication date: August 20, 2015Inventors: Philip Alexander Barrett, Steven John Pontonio, Persefoni Kechagia, Neil Andrew Stephenson, Kerry C. Weston
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Patent number: 9050582Abstract: Adsorbent compositions useful in adsorption and separation processes are made using silicone-derived binding agents. The adsorbent compositions are made from crystallite aluminosilicate particles bound with silicone-derived binding agents, and optionally small amounts of a clay binder, to form agglomerated crystallite particles and are calcined to volatilize the organic components associated with the silicone-derived binding agents. The agglomerated crystallite particles have superior pore structures and superior crush strengths at low binder concentrations and exhibit enhanced N2 adsorption rates and capacities when used in air separation processes.Type: GrantFiled: June 20, 2013Date of Patent: June 9, 2015Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Philip Alexander Barrett, Steven John Pontonio, Persefoni Kechagia, Neil Andrew Stephenson, Kerry C. Weston
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Patent number: 8969229Abstract: The present invention generally relates to high rate adsorbents and a method for their manufacture involving the steps of component mixing, extrusion, spheronization and calcination. The component mixing can involve both dry mixing in addition to wet mixing of an adsorbent with a binder, if required, and a fluid such as water. The paste so formed from the mixing stage is extruded to produce pellets which are optionally converted to beads by spheronization using in one embodiment, a marumerizer. The product is harvested and calcined to set any binder or binders used and/or burn out any additives or processing aids. This basic manufacturing scheme can be augmented by extra processing steps including ion exchange and activation to alter the composition of the adsorbents, as required.Type: GrantFiled: October 22, 2007Date of Patent: March 3, 2015Assignee: Praxair Technology, Inc.Inventors: Philip Alexander Barrett, Neil Andrew Stephenson, Steven John Pontonio, Jian Zheng
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Publication number: 20140094359Abstract: The present invention generally relates to high rate adsorbents and a method for their manufacture involving the steps of component mixing, extrusion, spheronization and calcination. The component mixing can involve both dry mixing in addition to wet mixing of an adsorbent with a binder, if required, and a fluid such as water. The paste so formed from the mixing stage is extruded to produce pellets which are optionally converted to beads by spheronization using in one embodiment, a marumerizer. The product is harvested and calcined to set any binder or binders used and/or burn out any additives or processing aids. This basic manufacturing scheme can be augmented by extra processing steps including ion exchange and activation to alter the composition of the adsorbents, as required.Type: ApplicationFiled: October 22, 2007Publication date: April 3, 2014Inventors: Philip Alexander Barrett, Neil Andrew Stephenson, Steven John Pontonio, Jain Zheng
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Publication number: 20130340614Abstract: Adsorbent compositions useful in adsorption, separation and purification processes are made using silicone-derived binding agents. The adsorbent compositions having enhanced adsorption rate and crush strength properties are made from agglomerated crystallite particles bound with silicone-derived binding agents. The silicone binder precursors are calcined during the manufacturing process to produce the silicone-derived binding agents. The adsorbent compositions are preferably used in air separation processes.Type: ApplicationFiled: June 22, 2012Publication date: December 26, 2013Inventors: PHILIP ALEXANDER BARRETT, STEVEN JOHN PONTONIO, PERSEFONI KECHAGIA, NEIL ANDREW STEPHENSON
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Publication number: 20130340615Abstract: Adsorbent compositions useful in adsorption and separation processes are made using silicone-derived binding agents. The adsorbent compositions are made from crystallite aluminosilicate particles bound with silicone-derived binding agents, and optionally small amounts of a clay binder, to form agglomerated crystallite particles and are calcined to volatilize the organic components associated with the silicone-derived binding agents. The agglomerated crystallite particles have superior pore structures and superior crush strengths at low binder concentrations and exhibit enhanced N2 adsorption rates and capacities when used in air separation processes.Type: ApplicationFiled: June 20, 2013Publication date: December 26, 2013Inventors: Philip Alexander Barrett, Steven John Pontonio, Persefoni Kechagia, Neil Andrew Stephenson, Kerry C. Weston
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Patent number: 8123835Abstract: High rate and high crush-strength adsorbent particles and collections of such particles, and particularly LiLSX particles, are provided. A binder is employed in the form of a colloidal solution during the method of manufacture. Suitable binders include various silica binders. The particles are made using the steps of mixing, agglomeration, calcination and in the case of certain adsorbents such as LiX and LiLSX, ion exchange and activation. When the adsorption rate is expressed in the form SCRR/?p (mmol mm2/g s), desirable collections of adsorbent particles can have values of at least 4.0 for the highly-exchanged Li (at least 90% Li exchanged) form of the collection of particles and can further be characterized by particles having average crush strengths of at least 0.9 lbf for particles having an average diameter of at least about 1.0 mm.Type: GrantFiled: March 10, 2008Date of Patent: February 28, 2012Assignee: Praxair Technology, Inc.Inventors: Jian Zheng, Steven John Pontonio, Neil Andrew Stephenson, Philip Alexander Barrett
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Publication number: 20100116134Abstract: High rate and high crush-strength adsorbent particles and collections of such particles, and particularly LiLSX particles, are provided. A binder is employed in the form of a colloidal solution during the method of manufacture. Suitable binders include various silica binders. The particles are made using the steps of mixing, agglomeration, calcination and in the case of certain adsorbents such as LiX and LiLSX, ion exchange and activation. When the adsorption rate is expressed in the form SCRR/?p (mmol mm2/g s), desirable collections of adsorbent particles can have values of at least 4.0 for the highly-exchanged Li (at least 90% Li exchanged) form of the collection of particles and can further be characterized by particles having average crush strengths of at least 0.9 lbf for particles having an average diameter of at least about 1.0 mm.Type: ApplicationFiled: March 10, 2008Publication date: May 13, 2010Inventors: Jian Zheng, Steven John Pontonio, Neil Andrew Stephenson, Philip Alexander Barrett