Patents by Inventor Emi Leung
Emi Leung 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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Publication number: 20190388838Abstract: The present invention relates to catalyst compositions effective for carrying out three-way conversion including platinum group metal nanoparticles (e.g., nanoparticles of Pt, Pd, Au, Ru, Rh, alloys thereof, and mixtures thereof), the nanoparticles having an average particle size of 15 to 50 nm, wherein the nanoparticles are dispersed on a refractory metal oxide component. In some such catalyst compositions, a significant portion, e.g., at least 90% of the nanoparticles have a particle size within this range. Methods of preparing, and using such catalyst compositions as well as catalyst articles and emission treatment systems comprising such catalyst compositions are also provided herein.Type: ApplicationFiled: January 26, 2018Publication date: December 26, 2019Applicant: BASF CorporationInventors: Tian Luo, Michel Deeba, Yunlong Gu, Stephan Deuerlein, Emi Leung
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Patent number: 10512898Abstract: Provided are automotive catalyst composites having a catalytic material on a carrier, wherein the catalytic material comprises at least two layers. The first layer is deposited directly on the carrier and comprises a first palladium component supported on a first refractory metal oxide component, a first oxygen storage component, or a combination thereof. The second layer is deposited on top of the first layer and comprises a rhodium component supported on a second refractory metal oxide component and a second palladium component supported on a second oxygen storage component, a third refractory metal oxide component or a combination thereof. Generally these catalyst composites are used as three-way conversion (TWC) catalysts. Methods of making and using the same are also provided.Type: GrantFiled: June 24, 2016Date of Patent: December 24, 2019Assignee: BASF CorporationInventors: Michel Deeba, Yipeng Sun, Tian Luo, Emi Leung, Pavel Ruvinskiy, Dinh Dang
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Publication number: 20190160427Abstract: The invention provides an automotive catalyst composite effective for abating carbon monoxide, hydrocarbons, and NOx emission in an automotive exhaust gas stream, which includes a catalytic material on a carrier, the catalytic material including a plurality of core-shell support particles comprising a core and a shell surrounding the core, the core including a plurality of particles having a primary particle size distribution d90 of up to about 5 ?m, wherein the core particles comprise particles of one or more metal oxides, the shell including nanoparticles of one or more metal oxides, wherein the nanoparticles have a primary particle size distribution d90 in the range of about 5 nm to about 1000 nm (1 ?m), and one or more platinum group metals (PGMs) on the core-shell support. The invention also provides an exhaust gas treatment system and related method of treating exhaust gas utilizing the catalyst composite.Type: ApplicationFiled: May 9, 2017Publication date: May 30, 2019Applicant: BASF CorporationInventors: Michel Deeba, Tian Luo, Yunlong Gu, Emi Leung
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Publication number: 20180178198Abstract: Provided are automotive catalyst composites having a catalytic material on a carrier, wherein the catalytic material comprises at least two layers. The first layer is deposited directly on the carrier and comprises a first palladium component supported on a first refractory metal oxide component, a first oxygen storage component, or a combination thereof. The second layer is deposited on top of the first layer and comprises a rhodium component supported on a second refractory metal oxide component and a second palladium component supported on a second oxygen storage component, a third refractory metal oxide component or a combination thereof. Generally these catalyst composites are used as three-way conversion (TWC) catalysts. Methods of making and using the same are also provided.Type: ApplicationFiled: June 24, 2015Publication date: June 28, 2018Inventors: Michel Deeba, Yipeng Sun, Tian Luo, Emi Leung, Pavel Ruvinskiy, Dinh Dang
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Patent number: 8829239Abstract: An object of the present invention relates to a porous metal organic framework comprising at least one first organic compound and ions of at least one metal, with the skeleton of the framework being formed at least partly by the at least one first organic compound coordinating at least partly in a bidentate fashion to at least two ions of the at least one metal, where the at least one metal is lithium and the at least one first compound is derived from formic acid or acetic acid. Also provided a process for preparing the porous metal organic framework and its use for gas storage or separation.Type: GrantFiled: July 28, 2009Date of Patent: September 9, 2014Assignee: BASF SEInventors: Emi Leung, Ulrich Mueller, Gerhard Cox
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Patent number: 8647417Abstract: A vacuum insulation unit having at least one thermally insulating, evacuatable porous core material which is sealed in an airtight manner and a sorption medium, wherein the sorption medium containing at least one porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion.Type: GrantFiled: January 12, 2010Date of Patent: February 11, 2014Assignee: BASF SEInventors: Andrea Eisenhardt, Joerg Krogmann, Emi Leung, Ulrich Mueller, Christoph Kiener
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Patent number: 8569407Abstract: The present invention relates to a biodegradable material in the form of a foil or a film, where the material comprises a polymer comprising at least one porous metal-organic framework and the at least one porous metal-organic framework comprises at least one at least bidentate organic compound coordinated to at least one metal ion. The invention further relates to food packaging comprising such a material and also its use for the packaging of foods and the use of a porous metal-organic framework for the absorption of ethene in food packaging.Type: GrantFiled: March 17, 2010Date of Patent: October 29, 2013Assignee: BASF SEInventors: Emi Leung, Ulrich Müller, Jan Kurt Walter Sandler, Gabriel Skupin, Motonori Yamamoto, Antje Van der Net
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Patent number: 8524932Abstract: The present invention relates to a process for preparing a porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion, where the at least one metal ion is based on an aluminum ion and the at least one at least bidentate organic compound is based on fumaric acid, by reacting at least one aluminum compound with at least fumaric acid in an alkaline aqueous medium, optionally in the presence of at least one base, at a temperature in the range from 20° C. to 100° C. at an absolute pressure of not more than 2 bar for from 0.2 to 4 hours.Type: GrantFiled: September 30, 2011Date of Patent: September 3, 2013Assignee: BASF SEInventors: Emi Leung, Ulrich Müller, Natalia Trukhan, Hendrick Mattenheimer, Gerhard Cox, Stefan Blei
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Patent number: 8431744Abstract: The present invention relates to a process for preparing a magnesium formate-based porous metal-organic framework, which comprises the steps (a) addition of magnesium or magnesium oxide to formic acid; (b) stirring of the reaction mixture at at least 75° C.; (c) isolation of the solid from the resulting suspension by filtration.Type: GrantFiled: March 18, 2010Date of Patent: April 30, 2013Assignee: BASF SEInventors: Emi Leung, Ulrich Müller, Gerhard Cox
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Patent number: 8343261Abstract: The present invention relates to the use of a porous metal organic framework comprising at least a first organic compound and, if appropriate, a second organic compound, in which at least the first organic compound is at least partially coordinated in a bidentate fashion to at least one metal ion, where the at least one metal ion is Mg(II) and the first organic compound is derived from formic acid and the second organic compound is derived from acetic acid, for storing or isolating methane. Furthermore, the invention relates to a porous metal organic framework based on magnesium formate and acetate and also its preparation.Type: GrantFiled: March 17, 2009Date of Patent: January 1, 2013Assignee: BASF SEInventors: Emi Leung, Ulrich Mueller, Gerhard Cox, Hans Wolfgang Hoeffken
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Publication number: 20120082864Abstract: The present invention relates to a process for preparing a porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion, where the at least one metal ion is based on an aluminum ion and the at least one at least bidentate organic compound is based on fumaric acid, by reacting at least one aluminum compound with at least fumaric acid in an alkaline aqueous medium, optionally in the presence of at least one base, at a temperature in the range from 20° C. to 100° C. at an absolute pressure of not more than 2 bar for from 0.2 to 4 hours.Type: ApplicationFiled: September 30, 2011Publication date: April 5, 2012Inventors: Emi Leung, Ulrich Müller, Natalia Trukhan, Hendrick Mattenheimer, Gerhard Cox, Stefan Blei
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Publication number: 20120049110Abstract: The present invention relates to a process for producing a carbon-comprising composite, wherein a porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion is pyrolyzed under a protective gas atmosphere and the at least one at least bidentate organic compound is nitrogen-free. The invention further relates to composites which can be obtained in this way and sulfur electrodes comprising these and also their uses.Type: ApplicationFiled: August 31, 2011Publication date: March 1, 2012Applicant: BASF SEInventors: Natalia Trukhan, Ulrich Müller, Emi Leung, Alexander Panchenko, Nicole Janssen
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Publication number: 20120016066Abstract: The present invention relates to a biodegradable material in the form of a foil or a film, where the material comprises a polymer comprising at least one porous metal-organic framework and the at least one porous metal-organic framework comprises at least one at least bidentate organic compound coordinated to at least one metal ion. The invention further relates to food packaging comprising such a material and also its use for the packaging of foods and the use of a porous metal-organic framework for the absorption of ethene in food packaging.Type: ApplicationFiled: March 17, 2010Publication date: January 19, 2012Applicant: BASF SEInventors: Emi Leung, Ulrich Müller, Jan Kurt Walter Sandler, Gabriel Skupin, Motonori Yamamoto, Antje Van der Net
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Publication number: 20120016160Abstract: The present invention relates to a process for preparing a magnesium formate-based porous metal-organic framework, which comprises the steps (a) addition of magnesium or magnesium oxide to formic acid; (b) stirring of the reaction mixture at at least 75° C.; (c) isolation of the solid from the resulting suspension by filtration.Type: ApplicationFiled: March 18, 2010Publication date: January 19, 2012Applicant: BASF SEInventors: Emi Leung, Ulrich Müller, Gerhard Cox
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Publication number: 20110265654Abstract: The present invention relates to vacuum insulation units comprising at least one thermally insulating, evacuatable porous core material which is sealed in an airtight manner and a sorption medium, wherein the sorption medium comprises at least one porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion, and also shaped bodies comprising such a vacuum insulation unit. Furthermore, the present invention relates to the use of a porous metal-organic framework as getter material in a vacuum insulation unit.Type: ApplicationFiled: January 12, 2010Publication date: November 3, 2011Applicant: BASF SEInventors: Andrea Eisenhardt, Joerg Krogmann, Emi Leung, Ulrich Mueller, Christoph Kiener
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Publication number: 20110178335Abstract: The present invention relates to the use of a porous metal organic framework comprising at least a first organic compound and, if appropriate, a second organic compound, in which at least the first organic compound is at least partially coordinated in a bidentate fashion to at least one metal ion, where the at least one metal ion is Mg(II) and the first organic compound is derived from formic acid and the second organic compound is derived from acetic acid, for storing or isolating methane. Furthermore, the invention relates to a porous metal organic framework based on magnesium formate and acetate and also its preparation.Type: ApplicationFiled: March 17, 2009Publication date: July 21, 2011Applicant: BASF SEInventors: Emi Leung, Ulrich Mueller, Gerhard Cox, Hans Wolfgang Hoeffken
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Publication number: 20110112343Abstract: The present invention relates to a porous metal organic framework comprising at least one first organic compound and ions of at least one metal, with the skeleton of the framework being formed at least partly by the at least one first organic compound coordinating at least partly in a bidentate fashion to at least two ions of the at least one metal, where the at least one metal is lithium and the at least one first compound is derived from formic acid or acetic acid. The invention additionally relates to a process for preparing it and also its use for gas storage or separation.Type: ApplicationFiled: July 28, 2009Publication date: May 12, 2011Applicant: BASF SEInventors: Emi Leung, Ulrich Mueller, Gerhard Cox