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公开(公告)号:US09718051B2
公开(公告)日:2017-08-01
申请号:US14189556
申请日:2014-02-25
Applicant: Chevron U.S.A. Inc.
Inventor: Stacey Ian Zones , Cong-Yan Chen , Annabelle Benin
CPC classification number: B01J29/86 , B01J29/70 , B01J35/002 , B01J2229/183 , C01B39/023 , C01B39/026 , C01B39/36
Abstract: The present invention is directed to an alumino-borosilicate SSZ-57 zeolite having enhanced large pore selectivity. The alumino-borosilicate SSZ-57 zeolite of the present invention is characterized as having substantially all of its aluminum atoms located within regions of the zeolite structure which form the 12 ring channels.
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公开(公告)号:US09475038B2
公开(公告)日:2016-10-25
申请号:US14626779
申请日:2015-02-19
Applicant: Chevron U.S.A. Inc.
Inventor: Stacey Ian Zones , Dan Xie , Cong-Yan Chen , Ann Jia-Bao Liang
IPC: B01J29/70 , B01D53/02 , B01D53/94 , B01J20/18 , C07C209/16 , B01D71/02 , B01D53/22 , C01B39/48 , C07C1/20
CPC classification number: B01J29/70 , B01D53/02 , B01D53/228 , B01D53/9413 , B01D53/945 , B01D53/9486 , B01D71/024 , B01D71/025 , B01D2253/108 , B01D2253/116 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2063 , B01D2255/2073 , B01D2255/20738 , B01D2255/20746 , B01D2255/20753 , B01D2255/20761 , B01D2255/20784 , B01D2255/20792 , B01D2255/50 , B01J20/18 , C01B39/48 , C07C1/20 , C07C209/16 , C07C2529/70 , Y02A50/2324 , Y02P20/52 , Y02P30/42 , Y02T10/22 , C07C211/04 , C07C11/04 , C07C11/06 , C07C11/08
Abstract: This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-99. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
Abstract translation: 本公开涉及用于称为SSZ-99的新型结晶分子筛的用途。 使用甲基乙基二异丙基铵阳离子作为结构导向剂合成SSZ-99。
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公开(公告)号:US09115041B2
公开(公告)日:2015-08-25
申请号:US14145818
申请日:2013-12-31
Applicant: Chevron U.S.A. Inc.
Inventor: Cong-Yan Chen , Stephen J. Miller , James N. Ziemer
Abstract: A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C8 paraffinic compounds to para-xylene is provided. Para-xylene is produced at greater than thermodynamic equilibrium concentrations using the process.
Abstract translation: 提供了在促进C8链烷烃化合物转化为对二甲苯的条件下使用中孔沸石的重整方法。 使用该方法在大于热力学平衡浓度下产生对二甲苯。
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公开(公告)号:US20250065312A1
公开(公告)日:2025-02-27
申请号:US18810971
申请日:2024-08-21
Applicant: Chevron U.S.A. Inc.
Inventor: Stacey I. Zones , Cong-Yan Chen
IPC: B01J29/04 , B01J37/00 , B01J37/03 , B01J37/04 , B01J37/06 , B01J37/08 , B01J37/20 , C01B39/48 , C10G35/06
Abstract: A novel synthetic crystalline molecular sieve material, designated boron ITQ-21, is provided. The boron ITQ-21 can be synthesized using an N,N-diethyl-5,8-dimethyl-2-azonium bicyclo [3.2.2] nonane cation as a structure directing agent. The boron ITQ-21 may be used in organic compound conversion reactions and/or sorptive processes.
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公开(公告)号:US20230382744A1
公开(公告)日:2023-11-30
申请号:US18325228
申请日:2023-05-30
Applicant: Chevron U.S.A. Inc.
Inventor: Stacey I. Zones , Cong-Yan Chen
IPC: C01B33/26 , B01J29/12 , C10G35/095 , B01J37/20
CPC classification number: C01B33/2853 , B01J29/126 , C10G35/095 , B01J37/20 , C01P2002/72 , C10G2300/70
Abstract: A novel synthetic crystalline borongermanosilicate molecular sieve material, designated boron SSZ-117x, is provided. The boron SSZ-117x can be synthesized using N,N,N,3,5-pentamethyladamantan-1-ammonium cations as a structure directing agent. The synthesis employs a boron pathway to achieve the boron molecular sieve. The boron SSZ-117x may be used in organic compound conversion reactions, such as reforming, and/or sorptive processes.
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公开(公告)号:US11591231B2
公开(公告)日:2023-02-28
申请号:US17358472
申请日:2021-06-25
Applicant: CHEVRON U.S.A. INC.
Inventor: Joel Edward Schmidt , Adeola Florence Ojo , Cong-Yan Chen
Abstract: An organotemplate-free synthetic process for the production of a zeolite of TON framework type structure is provided. The process includes the steps of: (1) preparing a mixture comprising: (a) an alumina-coated silica; (b) a source of an alkali metal; (c) an alcohol; (d) a source of hydroxide ions; (e) seed crystals comprising a zeolitic material having a TON framework type structure; and (f) water; and (2) crystallizing the mixture obtained in step (1).
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公开(公告)号:US11167996B1
公开(公告)日:2021-11-09
申请号:US17323034
申请日:2021-05-18
Applicant: Chevron U.S.A. Inc.
Inventor: Joel Edward Schmidt , Cong-Yan Chen
IPC: C01B39/48 , B01J29/70 , B01J29/74 , B01J37/00 , B01J37/04 , B01J37/10 , C07C1/22 , C07C5/22 , B01J37/30
Abstract: A method is provided for synthesizing molecular sieves of SZR framework type using 1,2,3-trimethylimidazolium cations as a structure directing agent and alumina-coated silica as a combined source of silicon and aluminum.
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公开(公告)号:US20150238949A1
公开(公告)日:2015-08-27
申请号:US14582019
申请日:2014-12-23
Inventor: Alexander Katz , Namal De Silva , Andrew Solovyov , Alexander Kuperman , Cong-Yan Chen , Partha Nandi , Alexander Okrut , Igor Busygin
CPC classification number: B01J31/24 , B01J23/46 , B01J23/468 , B01J31/066 , B01J31/16 , B01J31/20 , B01J31/2273 , B01J31/2404 , B01J31/2447 , B01J31/2457 , B01J35/0013 , B01J37/086 , B01J2231/641 , B01J2231/645 , B01J2231/70 , B01J2531/0211 , B01J2531/827 , B01J2540/10 , B01J2540/50 , C07C5/03 , C07C2531/24 , C07F15/0033
Abstract: The invention provides complexes in which a calixarene-related compound is coordinated to an iridium-containing metal colloid. The complexes can be immobilized on a substrate. The complexes of the invention are useful as tunable and highly robust isolated metal colloids that find use in binding of molecules and catalysis of chemical reactions.
Abstract translation: 本发明提供了一种其中杯芳烃相关化合物与含铱金属胶体配位的配合物。 络合物可以固定在基底上。 本发明的配合物可用作可调和高度坚固的分离金属胶体,其用于结合分子和催化化学反应。
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公开(公告)号:US12097485B2
公开(公告)日:2024-09-24
申请号:US18064336
申请日:2022-12-12
Applicant: CHEVRON U.S.A. INC.
Inventor: Stacey Ian Zones , Cong-Yan Chen
CPC classification number: B01J29/048 , B01J35/40 , C01B39/48 , C07C4/06 , C07C5/222 , B01J2229/18 , C01P2002/72 , C01P2004/03 , C01P2004/62 , C01P2004/64 , C07C2529/04
Abstract: A method is disclosed for producing small crystal, high aluminum content zincoaluminosilicate crystalline materials having the SSZ-41 framework structure. The compositions made according to that method, as well as uses of the same, are also disclosed.
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公开(公告)号:US11939537B2
公开(公告)日:2024-03-26
申请号:US17605286
申请日:2020-04-21
Applicant: Chevron U.S.A. Inc.
Inventor: Cong-Yan Chen , Emmanuel Behraz
CPC classification number: C10G59/06 , B01D3/00 , B01J29/40 , C10G2300/1044 , C10G2300/308 , C10G2300/4018 , C10G2400/02
Abstract: An improved reforming process for producing aromatic hydrocarbons is disclosed. The process includes two reformers arranged in parallel flow configuration, with the first reformer being a conventional reformer comprising a catalyst selective for reforming C8+ hydrocarbons to a reformate and the second reformer comprising a catalyst selective for reforming C7− hydrocarbons to a reformate. In certain embodiments, the first reformer catalyst comprises a conventional alumina catalyst and the second reformer catalyst comprises a ZSM-5 catalyst.
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