Patents by Inventor Sanyuan YANG
Sanyuan YANG 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: 20240335824Abstract: A low SAR chabazite zeolite, its synthesis, and its use for the treatment of an exhaust gas, are disclosed. The chabazite (CHA) zeolite having an SAR of from 7 to 15, and at least one following features: (a) a mesoporous surface area of less than 35 m2 (b) a BET surface area of 500-800 m2/g; and/or (c) a micropore volume of 0.2-0.3 cm2/g.Type: ApplicationFiled: June 16, 2022Publication date: October 10, 2024Inventors: Sanyuan YANG, Alessandro TURRINA, Logan SPELL, Daniel GILLELAND
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Patent number: 11766668Abstract: Molecular sieves comprising intergrowths of cha and aft having an “sfw-GME tail”, at least one structure directing agent (SDA) within the framework of the molecular sieve, an intergrowth of CHA and GME framework structures, cha cavities, and aft cavities are described. A first SDA comprising either an N,N-dimethyl-3,5-dimethylpiperidinium cation or a N,N-diethyl-2,6-dimethylpiperidinium cation is required. A second SDA, which can further be present, is a CHA or an SFW generating cation. The amount of the second SDA-2 used can change the proportion of the components in the cha-aft-“sfw-GME tail”. Activated molecular sieves formed from SDA containing molecular sieves are also described. Compositions for preparing these molecular sieves are described. Methods of preparing a SDA containing JMZ-11, an activated JMZ-11, and metal containing activated JMZ-11 are described.Type: GrantFiled: November 18, 2022Date of Patent: September 26, 2023Inventors: Mervyn Shannon, Alessandro Turrina, Sanyuan Yang
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Patent number: 11759770Abstract: A passive NOx absorber for treating an exhaust gas from a diesel engine is described. The passive NOx absorber comprises a first washcoat region comprising a zeolite catalyst, the zeolite catalyst comprising a noble metal and a zeolite having a SAR of 2-15.Type: GrantFiled: April 22, 2022Date of Patent: September 19, 2023Inventors: Jillian Collier, Francois Moreau, Matthew O'Brien, Paul Richard Phillips, Sanyuan Yang
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Molecular Sieve Intergrowths of cha and aft having an "sfw-GME tail," Methods of Preparation and Use
Publication number: 20230087077Abstract: Molecular sieves comprising intergrowths of cha and aft having an “sfw-GME tail”, at least one structure directing agent (SDA) within the framework of the molecular sieve, an intergrowth of CHA and GME framework structures, cha cavities, and aft cavities are described. A first SDA comprising either an N,N-dimethyl-3,5-dimethylpiperidinium cation or a N,N-diethyl-2,6-dimethylpiperidinium cation is required. A second SDA, which can further be present, is a CHA or an SFW generating cation. The amount of the second SDA-2 used can change the proportion of the components in the cha-aft-“sfw-GME tail”. Activated molecular sieves formed from SDA containing molecular sieves are also described. Compositions for preparing these molecular sieves are described. Methods of preparing a SDA containing JMZ-11, an activated JMZ-11, and metal containing activated JMZ-11 are described.Type: ApplicationFiled: November 18, 2022Publication date: March 23, 2023Inventors: Mervyn SHANNON, Alessandro TURRINA, Sanyuan YANG -
Patent number: 11571679Abstract: A passive NOx adsorber is disclosed. The passive NOx adsorber is effective to adsorb NOx at or below a low temperature and release the adsorbed NOx at temperatures above the low temperature. The passive NOx adsorber comprises a noble metal and a molecular sieve having an LTL Framework Type. The invention also includes an exhaust system comprising the passive NOx adsorber, and a method for treating exhaust gas from an internal combustion engine utilizing the passive NOx adsorber.Type: GrantFiled: September 10, 2019Date of Patent: February 7, 2023Assignee: Johnson Matthey Public Limited CompanyInventors: Jillian Elaine Collier, Sanyuan Yang
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Patent number: 11541378Abstract: Molecular sieves comprising intergrowths of cha and aft having an “sfw-GME tail”, at least one structure directing agent (SDA) within the framework of the molecular sieve, an intergrowth of CHA and GME framework structures, cha cavities, and aft cavities are described. A first SDA comprising either an N,N-dimethyl-3,5-dimethylpiperidinium cation or a N,N-diethyl-2,6-dimethylpiperidinium cation is required. A second SDA, which can further be present, is a CHA or an SFW generating cation. The amount of the second SDA-2 used can change the proportion of the components in the cha-aft-“sfw-GME tail”. Activated molecular sieves formed from SDA containing molecular sieves are also described. Compositions for preparing these molecular sieves are described. Methods of preparing a SDA containing JMZ-11, an activated JMZ-11, and metal containing activated JMZ-11 are described.Type: GrantFiled: March 27, 2020Date of Patent: January 3, 2023Assignee: Johnson Matthey Public Limited CompanyInventors: Mervyn Shannon, Alessandro Turrina, Sanyuan Yang
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Publication number: 20220339613Abstract: A passive NOx absorber for treating an exhaust gas from a diesel engine is described. The passive NOx absorber comprises a first washcoat region comprising a zeolite catalyst, the zeolite catalyst comprising a noble metal and a zeolite having a SAR of 2-15.Type: ApplicationFiled: April 22, 2022Publication date: October 27, 2022Inventors: Jillian Collier, Francois Moreau, Matthew O'Brien, Paul Richard Phillips, Sanyuan Yang
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Patent number: 11192096Abstract: Provided are a novel form of AEI zeolite, a novel synthesis technique for producing pure phase AEI zeolite, a catalyst comprising the AEI zeolite in combination with a metal, and methods of using the same. The AEI aluminosilicate zeolite has a cuboid morphology and a silica-to-alumina ratio of 20 to 50.Type: GrantFiled: July 7, 2020Date of Patent: December 7, 2021Assignee: Johnson Matthey Public Limited CompanyInventors: Hai-Ying Chen, Joseph Fedeyko, Raul Francisco Lobo, Trong Dinh Pham, Sanyuan Yang
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Patent number: 10940466Abstract: A novel method for synthesizing AEI zeolites is provided which results in high overall relative yields on silica and the structure directing agent.Type: GrantFiled: March 9, 2018Date of Patent: March 9, 2021Assignee: Johnson Matthey Public Limited CompanyInventors: John Leonello Casci, David Lang, Sanyuan Yang
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Publication number: 20200360906Abstract: Provided are a novel form of AEI zeolite, a novel synthesis technique for producing pure phase AEI zeolite, a catalyst comprising the AEI zeolite in combination with a metal, and methods of using the same.Type: ApplicationFiled: July 7, 2020Publication date: November 19, 2020Inventors: Hai-Ying CHEN, Joseph FEDEYKO, Raul Francisco LOBO, Trong Dinh PHAM, Sanyuan YANG
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Molecular Sieve Intergrowths of cha and aft having an "sfw-GME tail," Methods of Preparation and Use
Publication number: 20200316572Abstract: Molecular sieves comprising intergrowths of cha and aft having an “sfw-GME tail”, at least one structure directing agent (SDA) within the framework of the molecular sieve, an intergrowth of CHA and GME framework structures, cha cavities, and aft cavities are described. A first SDA comprising either an N,N-dimethyl-3,5-dimethylpiperidinium cation or a N,N-diethyl-2,6-dimethylpiperidinium cation is required. A second SDA, which can further be present, is a CHA or an SFW generating cation. The amount of the second SDA-2 used can change the proportion of the components in the cha-aft-“sfw-GME tail”. Activated molecular sieves formed from SDA containing molecular sieves are also described. Compositions for preparing these molecular sieves are described. Methods of preparing a SDA containing JMZ-11, an activated JMZ-11, and metal containing activated JMZ-11 are described.Type: ApplicationFiled: March 27, 2020Publication date: October 8, 2020Inventors: Mervyn Shannon, Alessandro Turrina, Sanyuan Yang -
Patent number: 10737252Abstract: Provided are a novel form of AEI zeolite, a novel synthesis technique for producing pure phase AEI zeolite, a catalyst comprising the AEI zeolite in combination with a metal, and methods of using the same.Type: GrantFiled: September 28, 2017Date of Patent: August 11, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Hai-Ying Chen, Joseph Fedeyko, Raul Lobo, Trong Pham, Sanyuan Yang
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Publication number: 20200016571Abstract: A passive NOx adsorber is disclosed. The passive NOx adsorber is effective to adsorb NOx at or below a low temperature and release the adsorbed NOx at temperatures above the low temperature. The passive NOx adsorber comprises a noble metal and a molecular sieve having an LTL Framework Type. The invention also includes an exhaust system comprising the passive NOx adsorber, and a method for treating exhaust gas from an internal combustion engine utilizing the passive NOx adsorber.Type: ApplicationFiled: September 10, 2019Publication date: January 16, 2020Inventors: Jillian Elaine COLLIER, Sanyuan YANG
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Patent number: 10112184Abstract: A method for synthesizing AEI zeolites is provided which results in high relative yields of AEI based on the weight of the reaction mixture and on the structure directing agent. The method also provides for the reduced use of water in the reaction mixture. A reaction mixture composition comprises the following components: at least one source of silica, at least one source of alumina, at least one structure directing agent (SDA), a source of hydroxide ions and water, where the silica sources and the alumina sources are expressed as SiO2 and Al2O3, respectively, and the components are present in the following ratios: SiO2/Al2O3 ?10-100 OH?/SiO2 0.2-0.9 SDA/SiO2 0.01-0.20 Alkali metal cation/SiO2 0.20-1.0? H2O/SiO2 ??4-60.Type: GrantFiled: November 11, 2016Date of Patent: October 30, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Sanyuan Yang, David Lang
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Publication number: 20180193824Abstract: A novel method for synthesizing AEI zeolites is provided which results in high overall relative yields on silica and the structure directing agent.Type: ApplicationFiled: March 9, 2018Publication date: July 12, 2018Inventors: John Leonello CASCI, David LANG, Sanyuan YANG
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Publication number: 20180093257Abstract: Provided are a novel form of AEI zeolite, a novel synthesis technique for producing pure phase AEI zeolite, a catalyst comprising the AEI zeolite in combination with a metal, and methods of using the same.Type: ApplicationFiled: September 28, 2017Publication date: April 5, 2018Inventors: Hai-Ying Chen, Joseph Fedeyko, Raul Lobo, Trong Pham, Sanyuan Yang
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Patent number: 9919296Abstract: A novel method for synthesizing AEI zeolites is provided which results in high overall relative yields on silica and the structure directing agent. Structure directing agents useful in the present invention include the cations N,N-Dimethyl-3,5-dimethylpiperidinium, N,N-Dimethyl-2-(2-hydroxyethyl)piperidinium, N,N-Dimethyl-2-ethylpiperidinium, and 2,2,4,6,6-Pentamethyl-2-azoniabycyclo[3.2.1]octane.Type: GrantFiled: October 31, 2014Date of Patent: March 20, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Sanyuan Yang, John Leonello Casci, David Lang
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Publication number: 20170128921Abstract: A novel method for synthesizing AEI zeolites is provided which results in high relative yields of AEI based on the weight of the reaction mixture and on the structure directing agent. The method also provides for the reduced use of water in the reaction mixture.Type: ApplicationFiled: November 11, 2016Publication date: May 11, 2017Inventors: Sanyuan Yang, David Lang
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Publication number: 20170001169Abstract: A passive NOx adsorber is disclosed. The passive NOx adsorber is effective to adsorb NOx at or below a low temperature and release the adsorbed NOx at temperatures above the low temperature. The passive NOx adsorber comprises a noble metal and a molecular sieve having an LTL Framework Type. The invention also includes an exhaust system comprising the passive NOx adsorber, and a method for treating exhaust gas from an internal combustion engine utilizing the passive NOx adsorber.Type: ApplicationFiled: June 30, 2016Publication date: January 5, 2017Inventors: Jillian Elaine COLLIER, Sanyuan YANG
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Publication number: 20150118150Abstract: A novel method for synthesizing AEI zeolites is provided which results in high overall relative yields on silica and the structure directing agent.Type: ApplicationFiled: October 31, 2014Publication date: April 30, 2015Inventors: Sanyuan YANG, John Leonello CASCI, David LANG