Patents by Inventor Lisa Nguyen
Lisa Nguyen 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: 11766666Abstract: A catalyst for converting hydrocarbon, a method of making the same, and a method of using the same are provided. Such a catalyst includes a zeotype microporous material, a binder material, and a metal phosphide, which can be in a range of from 0.01% to 10% by weight of a total weight of the catalyst. For example, such a catalyst can be used to convert light alkene or alkane into aromatic hydrocarbon such as benzene, toluene, xylenes, and a combination thereof. The alkene may be ethylene, propylene, butylene, or a combination thereof. The alkene may be supplied directly or from a stream converted from light alkane such as methane, ethane, propane, butane, or a combination thereof.Type: GrantFiled: December 30, 2020Date of Patent: September 26, 2023Assignees: CHINA INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGYInventors: Lisa Nguyen, Hui Wang, Junjun Shan, Louis Guillen, Hua Liu, Aihua Zhang, Joshua Miles
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Publication number: 20230249163Abstract: The present disclosure relates to the catalytic field, and discloses a catalyst system and a light hydrocarbon aromatization method, a carbon dioxide hydrogenation process and a method for enhancing the catalytic activity and/or lifetime of the catalyst during a heterogeneous catalysis process, the catalyst system comprising a porous material layer containing an active metal component and a molecular sieve layer. The catalyst system provided by the present disclosure exhibits desirable catalytic activity, stability, renewability and selectivity, thus has significant benefits.Type: ApplicationFiled: March 24, 2022Publication date: August 10, 2023Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Junjun Shan, Louis Guillen, Hui Wang, Aihua Zhang, Lisa Nguyen, Joshua Miles, Saydul Sardar, Hua Liu
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Patent number: 11648540Abstract: The present disclosure provides a modified catalyst, and preparation method and a method for producing aromatic hydrocarbons by aromatization of olefins using the modified catalyst. The modified catalyst comprises an acidic molecular sieve and an olefin aromatization active metal component, the total acid amount of the catalyst as measured by NH3-TPD method is not higher than 0.35 mmol/g, and ratio of the strong acid to weak acid is within a range of 0.8-1.2.Type: GrantFiled: January 25, 2021Date of Patent: May 16, 2023Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Aihua Zhang, Hui Wang, Junjun Shan, Joshua Miles, Lisa Nguyen, Louis Guillen, Amin Sardar, Hua Liu
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Patent number: 11517884Abstract: A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.Type: GrantFiled: January 16, 2020Date of Patent: December 6, 2022Assignees: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGYInventors: Junjun Shan, Hui Wang, Lisa Nguyen, Joshua Miles, Jihong Cheng
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Patent number: 11479519Abstract: A method for aromatization of light alkanes, comprising: subjecting the light alkanes to dehydroaromatization reaction in the presence of aromatization catalysts including carriers and metal active components supported on the carriers, the metal active components include platinum, the carriers include zeolites and binders, and at least 80 wt. % of the metal active components are distributed on the zeolites. The method of the present disclosure may increase yield of the target product—aromatic hydrocarbons, and the regenerated catalyst can still maintain high catalytic performance. In addition, the method of the present disclosure can meet the requirements of industrial applications.Type: GrantFiled: December 27, 2019Date of Patent: October 25, 2022Assignee: CHINA ENERGY INVESTMENT CORPORATION LIMITEDInventors: Hui Wang, Yizhi Xiang, John Matsubu, Junjun Shan, Jihong Cheng, Qi Sun, Lisa Nguyen
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Patent number: 11479520Abstract: A system and a method are provided for producing aromatics. Such a system includes a cracker unit configured to convert a light alkane into an olefin-containing hydrocarbon comprising at least one alkene, and an aromatization unit. The light alkane is selected from the group consisting of methane, ethane, propane, butane, and a combination thereof. The cracker unit is configured to at least partially feed the olefin-containing hydrocarbon into the aromatization unit. Such an olefin-containing hydrocarbon comprises at least 40 wt. % of the at least one alkene. The aromatization unit is used to convert the olefin-containing hydrocarbon therein into a product stream, which includes an aromatic hydrocarbon selected from the group consisting of benzene, toluene, xylenes, and a combination thereof.Type: GrantFiled: April 13, 2021Date of Patent: October 25, 2022Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Joshua Miles, Hui Wang, Junjun Shan, Jihong Cheng, Anthony Ku, Lisa Nguyen
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Publication number: 20220234034Abstract: The present disclosure provides a modified catalyst, and preparation method and a method for producing aromatic hydrocarbons by aromatization of olefins using the modified catalyst. The modified catalyst comprises an acidic molecular sieve and an olefin aromatization active metal component, the total acid amount of the catalyst as measured by NH3-TPD method is not higher than 0.35mmo1/g, and ratio of the strong acid to weak acid is within a range of 0.8-1.2.Type: ApplicationFiled: January 25, 2021Publication date: July 28, 2022Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Aihua ZHANG, Hui WANG, Junjun SHAN, Joshua MILES, Lisa NGUYEN, Louis GUILLEN, Amin SARDAR, Hua LIU
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Publication number: 20220203343Abstract: A catalyst for converting hydrocarbon, a method of making the same, and a method of using the same are provided. Such a catalyst includes a zeotype microporous material, a binder material, and a metal phosphide, which can be in a range of from 0.01% to 10% by weight of a total weight of the catalyst. For example, such a catalyst can be used to convert light alkene or alkane into aromatic hydrocarbon such as benzene, toluene, xylenes, and a combination thereof. The alkene may be ethylene, propylene, butylene, or a combination thereof. The alkene may be supplied directly or from a stream converted from light alkane such as methane, ethane, propane, butane, or a combination thereof.Type: ApplicationFiled: December 30, 2020Publication date: June 30, 2022Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Lisa Nguyen, Hui Wang, Junjun Shan, Louis Guillen, Hua Liu, Aihua Zhang, Joshua Miles
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Patent number: 11273430Abstract: The present discloses an aromatization catalyst, preparation process and application thereof and a low-carbon olefin aromatization process. The aromatization catalyst comprises a microporous material, a binder and a modifier; the microporous material is a zeolite molecular sieve, the binder is alumina, the modifier is phosphorus, and the molar ratio of the aluminum element in the binder to the phosphorus element is more than or equal to 1 and less than 5; the ratio of the acidity of the strongly acidic sites to the acidity of the weakly acidic sites of the olefin aromatization catalyst is less than 1.Type: GrantFiled: May 29, 2020Date of Patent: March 15, 2022Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Hui Wang, Lisa Nguyen, Junjun Shan, Joshua Miles, Jihong Cheng, Hua Liu
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Publication number: 20210323895Abstract: A system and a method are provided for producing aromatics. Such a system includes a cracker unit configured to convert a light alkane into an olefin-containing hydrocarbon comprising at least one alkene, and an aromatization unit. The light alkane is selected from the group consisting of methane, ethane, propane, butane, and a combination thereof. The cracker unit is configured to at least partially feed the olefin-containing hydrocarbon into the aromatization unit. Such an olefin-containing hydrocarbon comprises at least 40 wt. % of the at least one alkene. The aromatization unit is used to convert the olefin-containing hydrocarbon therein into a product stream, which includes an aromatic hydrocarbon selected from the group consisting of benzene, toluene, xylenes, and a combination thereof.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Joshua Miles, Hui Wang, Junjun Shan, Jihong Cheng, Anthony Ku, Lisa Nguyen
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Patent number: 11016483Abstract: A system and method for operating an indoor/outdoor drone in a training mode that limits the maximum altitude during flight, restricts the ability to perform rapid maneuvers, and also may disable the ability to conduct aerial stunts. The system includes a flight controller that may select between the training mode, a normal mode, and a stunt mode. In the training mode, the flight controller restricts an increase in altitude of the drone beyond an altitude threshold, and also restricts an increase in one or more movement parameters of the drone beyond respective movement parameter thresholds. The selection of the training mode may disable the ability for the user to select the stunt mode.Type: GrantFiled: June 12, 2018Date of Patent: May 25, 2021Assignee: MerchSource, LLCInventors: Kirk McLean, Lisa Nguyen, Michael Gerstner
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Publication number: 20210016261Abstract: The present discloses an aromatization catalyst, preparation process and application thereof and a low-carbon olefin aromatization process. The aromatization catalyst comprises a microporous material, a binder and a modifier; the microporous material is a zeolite molecular sieve, the binder is alumina, the modifier is phosphorus, and the molar ratio of the aluminum element in the binder to the phosphorus element is more than or equal to 1 and less than 5; the ratio of the acidity of the strongly acidic sites to the acidity of the weakly acidic sites of the olefin aromatization catalyst is less than 1.Type: ApplicationFiled: May 29, 2020Publication date: January 21, 2021Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Hui WANG, Lisa NGUYEN, Junjun SHAN, Joshua MILES, Jihong CHENG, Hua LIU
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Publication number: 20200397291Abstract: Systems and methods of use involving sensors having a signal-to-noise ratio that is substantially unaffected by non-constant noise are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.Type: ApplicationFiled: September 1, 2020Publication date: December 24, 2020Inventors: Peter C. Simpson, Robert J. Boock, Mark C. Brister, Monica A. Rixman, Kum Ming Woo, Lisa Nguyen, Seth R. Brunner, Arthur Chee, Melissa A. Nicholas, Matthew D. Wightlin, Jack Pryor, Dubravka Markovic
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Patent number: 10791928Abstract: Systems and methods of use involving sensors having a signal-to-noise ratio that is substantially unaffected by non-constant noise are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.Type: GrantFiled: February 20, 2020Date of Patent: October 6, 2020Assignee: DexCom, Inc.Inventors: Peter C. Simpson, Robert J. Boock, Mark C. Brister, Monica A. Rixman, Kum Ming Woo, Lisa Nguyen, Seth R. Brunner, Arthur Chee, Melissa A. Nicholas, Matthew D. Wightlin, Jack Pryor, Dubravka Markovic
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Publication number: 20200246783Abstract: A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.Type: ApplicationFiled: January 16, 2020Publication date: August 6, 2020Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGYInventors: Junjun SHAN, Hui WANG, Lisa NGUYEN, Joshua MILES, Jihong CHENG
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Publication number: 20200246786Abstract: A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.Type: ApplicationFiled: January 16, 2020Publication date: August 6, 2020Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGYInventors: Junjun SHAN, Hui WANG, Lisa NGUYEN, Joshua MILES, Jihong CHENG
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Publication number: 20200207683Abstract: A method for aromatization of light alkanes, comprising: subjecting the light alkanes to dehydroaromatization reaction in the presence of aromatization catalysts including carriers and metal active components supported on the carriers, the metal active components include platinum, the carriers include zeolites and binders, and at least 80 wt. % of the metal active components are distributed on the zeolites. The method of the present disclosure may increase yield of the target product—aromatic hydrocarbons, and the regenerated catalyst can still maintain high catalytic performance. In addition, the method of the present disclosure can meet the requirements of industrial applications.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Hui Wang, Yizhi Xiang, John Matsubu, Junjun Shan, Jihong Cheng, Qi Sun, Lisa Nguyen
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Publication number: 20200187776Abstract: Systems and methods of use involving sensors having a signal-to-noise ratio that is substantially unaffected by non-constant noise are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.Type: ApplicationFiled: February 20, 2020Publication date: June 18, 2020Inventors: Peter C. Simpson, Robert J. Boock, Mark C. Brister, Monica A. Rixman, Kum Ming Woo, Lisa Nguyen, Seth R. Brunner, Arthur Chee, Melissa A. Nicholas, Matthew D. Wightlin, Jack Pryor, Dubravka Markovic
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Publication number: 20200037875Abstract: Systems and methods of use involving sensors having a signal-to-noise ratio that is substantially unaffected by non-constant noise are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.Type: ApplicationFiled: October 10, 2019Publication date: February 6, 2020Inventors: Peter C. Simpson, Robert J. Boock, Mark C. Brister, Monica A. Rixman, Kum Ming Woo, Lisa Nguyen, Seth R. Brunner, Arthur Chee, Melissa A. Nicholas, Matthew D. Wightlin, Jack Pryor, Dubravka Markovic
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Publication number: 20200037874Abstract: Systems and methods of use involving sensors having a signal-to-noise ratio that is substantially unaffected by non-constant noise are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.Type: ApplicationFiled: October 10, 2019Publication date: February 6, 2020Inventors: Peter C. Simpson, Robert J. Boock, Mark C. Brister, Monica A. Rixman, Kum Ming Woo, Lisa Nguyen, Seth R. Brunner, Arthur Chee, Melissa A. Nicholas, Matthew D. Wightlin, Jack Pryor, Dubravka Markovic