Patents by Inventor Pascaline Harrison Tran
Pascaline Harrison Tran 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: 20150115198Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight.Type: ApplicationFiled: October 30, 2014Publication date: April 30, 2015Inventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore
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Patent number: 8906823Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight.Type: GrantFiled: December 5, 2008Date of Patent: December 9, 2014Assignee: BASF CorporationInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore
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Publication number: 20140274676Abstract: Provided herein are catalytic articles and methods of making same using a single coat process. The catalytic article comprises an elongated substrate monolith having a plurality of longitudinally extending passages, each passage having at least a first surface and a second surface opposite the first surface, the first and second surfaces coated with at least a first coating and a second coating, wherein the first coating comprises a first catalyst composition and overlies the second coating on the first surface, the second coating comprises a second catalyst composition and overlies the first coating on the second surface, and wherein the first catalyst composition and second catalyst composition have a difference in surface charge. The washcoat may be applied as one slurry, which then self-segregates into two coatings.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: BASF CorporationInventors: Xinsheng Liu, Ye Liu, Michael P. Galligan, Pascaline Harrison Tran, Keshavaraja Alive
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Publication number: 20140255284Abstract: A catalyst for oxidizing carbon monoxide (CO), volatile organic compounds (VOCs), and methyl bromide (CH3Br) is provided. The catalyst comprises a first base metal catalyst supported on an oxygen donating support that is substantially free of alumina, and at least one second base metal catalyst. Also provided is a method for treating the waste stream from a purified terephthalic acid (PTA) process, the method comprising contacting a waste stream containing carbon monoxide (CO), volatile organic compounds (VOCs), and methyl bromide with a catalyst comprising a first base metal catalyst supported on an oxygen donating support that is substantially free of alumina, and at least one second base metal catalyst.Type: ApplicationFiled: March 8, 2013Publication date: September 11, 2014Applicant: BASF CorporationInventors: Laif R. Alden, Mark T. Buelow, Gerard D. Lapadula, Pascaline Harrison Tran, Tiep Pham, Howard Furbeck, Francis S. Romanski
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Publication number: 20140255262Abstract: Catalyst washcoats with improved porosity and methods for making the washcoats are provided. The process comprises incorporation of an oil-in-water macroemulsion into the catalyst slurry prior to washcoating the carrier substrate, and calcining the washcoated carrier substrate to remove the oil-in-water macroemulsion. Also provided are catalyst articles comprising the washcoat and methods for abatement of exhaust gas emissions.Type: ApplicationFiled: March 6, 2013Publication date: September 11, 2014Applicant: BASF CorporationInventors: Xinsheng Liu, Esra Cinar, Chunjuan Zhang, Pascaline Harrison Tran
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Patent number: 8828343Abstract: Catalyst articles comprising palladium and related methods of preparation and use are disclosed. Disclosed is a catalyst article comprising a first catalytic layer formed on a substrate, wherein the first catalytic layer comprises palladium impregnated on a ceria-free oxygen storage component and platinum impregnated on a refractory metal oxide, and a second catalytic layer formed on the first catalytic layer comprising platinum and rhodium impregnated on a ceria-containing oxygen storage component. The palladium component of the catalyst article is present in a higher proportion relative to the other platinum group metal components. The catalyst articles provide improved conversion of carbon monoxide in exhaust gases, particularly under rich engine operating conditions.Type: GrantFiled: March 2, 2011Date of Patent: September 9, 2014Assignee: BASF CorporationInventors: Xinsheng Liu, Ye Liu, Pascaline Harrison Tran, Keshavaraja Alive, Michael P. Galligan
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Patent number: 8765085Abstract: Aspects of the invention relate to a base metal catalyst composition effective to catalyze the abatement of hydrocarbons, carbon monoxide and nitrogen oxides under both rich and lean engine operating conditions comprising a support including at least 10% by weight of reducible ceria doped with up to about 60% by weight of one or more of oxides selected from the group Al, Pr, Sm, Zr, Y, Si, Ti and La; and a base metal oxide on the reducible ceria support, the base metal selected from one or more of Ni, Fe, Mn, Cu, Co, Ba, Mg, Ga, Ca, Sr, V, W, Bi and Mo, the base metal catalyst composition effective to promote a steam reforming reaction of hydrocarbons and a water gas shift reaction to provide H2 as a reductant to abate NOx. Other aspects of the invention relate to methods of using and making such catalysts.Type: GrantFiled: April 22, 2013Date of Patent: July 1, 2014Assignee: Basf CorporationInventors: Pascaline Harrison Tran, Xinsheng Liu, Ye Liu, Michael P. Galligan, Qinglin Zhang
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Publication number: 20140178262Abstract: Hollow porous metal oxide microspheres are provided. The microspheres may be used as a support for a catalyst, particularly an exhaust treatment catalyst for an internal combustion engine. Also provided are methods of making the microspheres, methods of using the microspheres as catalyst supports, and methods of exhaust treatment using catalyst articles comprising the microspheres.Type: ApplicationFiled: December 20, 2012Publication date: June 26, 2014Applicant: BASF CorporationInventors: Pascaline Harrison Tran, Michael P. Galligan, Ye Liu, Xiaolin David Yang, Qingyuan Hu, Doan Lieu
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Publication number: 20140151599Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight. Further embodiments include physical blending of a flow modifier into the sorbent composition.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicant: BASF CorporationInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore
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Patent number: 8728974Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight.Type: GrantFiled: August 3, 2012Date of Patent: May 20, 2014Assignee: BASF CorporationInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore
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Patent number: 8668890Abstract: Aspects of the invention relate to a method of treating a gas stream generated by a motorcycle, the method comprising: contacting a gas stream containing hydrocarbons, carbon monoxide and nitrogen oxides and generated by a motorcycle under both rich and lean engine operating conditions with a base metal catalyst composition, thereby removing at least a part of the hydrocarbons, carbon monoxide and nitrogen oxides in gas stream. The base metal catalyst composition comprises a support including at least 10% by weight of reducible ceria, and about 3 to about 7 wt % MnO and about 8 to about 22 wt % CuO on the reducible ceria support. The base metal catalyst composition is effective to promote a steam reforming reaction of hydrocarbons and a water gas shift reaction to provide H2 as a reductant to abate NOx.Type: GrantFiled: April 22, 2013Date of Patent: March 11, 2014Assignee: BASF CorporationInventors: Pascaline Harrison Tran, Xinsheng Liu, Ye Liu, Michael P. Galligan, Qinglin Zhang, Hiroyuki Horimura, Akiko Iwasa
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Publication number: 20130330258Abstract: Aspects of the invention relate to a base metal catalyst composition effective to catalyze the abatement of hydrocarbons, carbon monoxide and nitrogen oxides under both rich and lean engine operating conditions comprising a support including at least 10% by weight of reducible ceria doped with up to about 60% by weight of one or more of oxides selected from the group Al, Pr, Sm, Zr, Y, Si, Ti and La; and a base metal oxide on the reducible ceria support, the base metal selected from one or more of Ni, Fe, Mn, Cu, Co, Ba, Mg, Ga, Ca, Sr, V, W, Bi and Mo, the base metal catalyst composition effective to promote a steam reforming reaction of hydrocarbons and a water gas shift reaction to provide H2 as a reductant to abate NOx. Other aspects of the invention relate to methods of using and making such catalysts.Type: ApplicationFiled: April 22, 2013Publication date: December 12, 2013Applicant: BASF CorporationInventors: Pascaline Harrison Tran, Xinsheng Liu, Ye Liu, Michael P. Galligan, Qinglin Zhang
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Publication number: 20130323145Abstract: Aspects of the invention relate to a method of treating a gas stream generated by a motorcycle, the method comprising: contacting a gas stream containing hydrocarbons, carbon monoxide and nitrogen oxides and generated by a motorcycle under both rich and lean engine operating conditions with a base metal catalyst composition, thereby removing at least a part of the hydrocarbons, carbon monoxide and nitrogen oxides in gas stream. The base metal catalyst composition comprises a support including at least 10% by weight of reducible ceria, and about 3 to about 7 wt % MnO and about 8 to about 22 wt % CuO on the reducible ceria support. The base metal catalyst composition is effective to promote a steam reforming reaction of hydrocarbons and a water gas shift reaction to provide H2 as a reductant to abate NOx.Type: ApplicationFiled: April 22, 2013Publication date: December 5, 2013Applicants: HONDA MOTOR CO., LTD., BASF CorporationInventors: Pascaline Harrison Tran, Xinsheng Liu, Ye Liu, Michael P. Galligan, Qinglin Zhang, Hiroyuki Horimura, Akiko Iwasa
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Publication number: 20120292564Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. Embodiments include brominated sorbent substrate particles having a carbon content of less than about 10%. Other embodiments include one or more oxidatively active halides of a nonoxidative metal dispersed on sorbent substrate particles mixed with activated carbon in an amount up to 30% by weight.Type: ApplicationFiled: August 3, 2012Publication date: November 22, 2012Applicant: BASF CorporationInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore
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Patent number: 8193114Abstract: Catalysts, catalyst systems, and methods for removing ammonia and/or carbon monoxide in flue gases are provided where ammonia is used with a selective catalytic reduction catalyst for reducing oxides of nitrogen. A dual oxidation catalyst generally comprises an alkali component, a transition metal, and a metal oxide support. This catalyst is also substantially free from precious metal components and effective for substantially simultaneously oxidizing ammonia (NH3) and carbon monoxide (CO) when placed in an exhaust gas stream. The catalyst is effective to provide low ammonia to nitrogen oxides selectivity.Type: GrantFiled: November 15, 2006Date of Patent: June 5, 2012Assignee: BASF Catalysts LLCInventors: Ahmad Moini, Gerald S. Koermer, Pascaline Harrison Tran, Jacqueling S. Curran
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Publication number: 20110217216Abstract: Catalyst articles comprising palladium and related methods of preparation and use are disclosed. Disclosed is a catalyst article comprising a first catalytic layer formed on a substrate, wherein the first catalytic layer comprises palladium impregnated on a ceria-free oxygen storage component and platinum impregnated on a refractory metal oxide, and a second catalytic layer formed on the first catalytic layer comprising platinum and rhodium impregnated on a ceria-containing oxygen storage component. The palladium component of the catalyst article is present in a higher proportion relative to the other platinum group metal components. The catalyst articles provide improved conversion of carbon monoxide in exhaust gases, particularly under rich engine operating conditions.Type: ApplicationFiled: March 2, 2011Publication date: September 8, 2011Applicant: BASF Catalysts LLCInventors: Xinsheng Liu, Ye Liu, Pascaline Harrison Tran, Keshavaraja Alive, Michael P. Galligan
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Publication number: 20100158775Abstract: Air treatment catalyst systems and methods for treating the air in the aircraft cabin environment are provided. The catalyst system and method remove ozone, volatile organic compounds, NOx and other pollutants. The catalyst system used to treat the cabin air comprises a plurality of discrete substrates having an ozone abatement catalyst loaded thereon and arranged in a stacked configuration between a source of the air stream and the passenger cabin, the at least the first two substrates adjacent the source of the air stream comprise an iron-based alloy.Type: ApplicationFiled: December 18, 2008Publication date: June 24, 2010Applicant: BASF Catalysts LLCInventors: Michael P. Galligan, Mark Buelow, Martin Volland, Pascaline Harrison Tran, Bruce J. Frishberg
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Patent number: 7704920Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods include mixing sorbent substrate particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the sorbent particles.Type: GrantFiled: November 30, 2005Date of Patent: April 27, 2010Assignee: BASF Catalysts LLCInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore, Barry Keven Speronello, Ronald Thomas Mentz
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Patent number: 7578869Abstract: Methods of manufacturing bentonite sorbents for removal of pollutants including mercury from gas streams, such as a flue gas stream from coal-fired utility plants are disclosed. The methods include mixing bentonite sorbent particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the bentonite sorbent particles.Type: GrantFiled: November 30, 2005Date of Patent: August 25, 2009Assignee: BASF Catalysts LLCInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore, Barry Keven Speronello, Ronald Thomas Mentz
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Patent number: 7575629Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods include mixing fly ash particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the fly ash particles.Type: GrantFiled: November 30, 2005Date of Patent: August 18, 2009Assignee: BASF Catalysts LLCInventors: Xiaolin David Yang, Pascaline Harrison Tran, Lawrence Shore, Stanley Scott Mack, James Eugene Staudt