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公开(公告)号：US10800662B1
公开(公告)日：2020-10-13
申请号：US16822168
申请日：2020-03-18
Applicant: CHEVRON U.S.A. INC.
Inventor： Christopher Michael Lew , Dan Xie , Kurt Owen Jensen , Saleh Ali Elomari
Abstract: A method is provided for synthesizing a molecular sieve having the framework structure of SSZ-55 using [(1-phenyl)cyclopentylmethyl]trimethylammonium cations as a structure directing agent.
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公开(公告)号：US20250033984A1
公开(公告)日：2025-01-30
申请号：US18359247
申请日：2023-07-26
Applicant: Chevron U.S.A. Inc.
Inventor： Christopher Michael Lew , Rebecca Edyne MacLean , Kurt Owen Jensen
IPC: C01B39/02
Abstract: A method is disclosed for making a high-silica zeolite having an FAU framework structure. The method includes: (1) preparing a reaction mixture comprising: (a) a source of silica; (b) a source of alumina; (c) a source of an alkali or alkaline earth metal cation; (d) an organic structure directing agent containing at least one cation selected from a 1,2-dimethyl-3-(3-methylbenzyl) imidazolium cation, a 1-ethyl-3-methylimidazolium cation, and a 1-butyl-3-methylimidazolium cation; (e) a source of hydroxide ions; and (f) water; (2) heating the reaction mixture under crystallization conditions including a temperature of from 80° C. to 200° C. for a time sufficient to form crystals of the high-silica zeolite; and (3) recovering at least a portion of the high-silica zeolite from step (2).
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公开(公告)号：US10737946B1
公开(公告)日：2020-08-11
申请号：US16554697
申请日：2019-08-29
Applicant: Chevron U.S.A. Inc.
Inventor： Christopher Michael Lew , Kurt Owen Jensen
Abstract: A method is provided for directly synthesizing aluminum-containing molecular sieves of SEW framework type by interzeolite transformation.
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公开(公告)号：US11964875B2
公开(公告)日：2024-04-23
申请号：US17703067
申请日：2022-03-24
Applicant: CHEVRON U.S.A. INC.
Inventor： Dan Xie , Kurt Owen Jensen , Adeola Florence Ojo
CPC classification number: C01B39/48 , B01J29/703 , C01P2002/72
Abstract: A method is provided for synthesizing *MRE molecular sieves using an organic structure directing agent which comprises a 1-ethylpyridinium cation.
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Patent Agency Ranking
公开(公告)号：US20190127231A1
公开(公告)日：2019-05-02
申请号：US16151506
申请日：2018-10-04
Applicant: Chevron U.S.A. Inc.
Inventor： Dan Xie , Kurt Owen Jensen
IPC: C01B39/48
CPC classification number: C01B39/48 , B01J29/70 , B01J37/10 , C01B39/026 , C01P2002/72 , C01P2004/03 , C10G45/64
Abstract: An aluminosilicate molecular sieve of AFT framework type, designated SSZ-112, is provided. SSZ-112 is synthesized using a mixed-template method. SSZ-112 may be used in catalytic and sorptive processes.
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公开(公告)号：US10053368B1
公开(公告)日：2018-08-21
申请号：US15697777
申请日：2017-09-07
Applicant: Chevron U.S.A. Inc.
Inventor： Dan Xie , Kurt Owen Jensen
CPC classification number: C01B39/48 , B01J29/70 , B01J35/002
Abstract: A method is provided for the synthesis of AFX framework type molecular sieves using a structure directing agent selected from one or more of hexamethonium dications, 1,6-bis(N-methylpyrrolidinium)hexane dications, and 1,4-bis(N-methylpyrrolidinium)butane dications.
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公开(公告)号：US20240383762A1
公开(公告)日：2024-11-21
申请号：US18319462
申请日：2023-05-17
Applicant: Chevron U.S.A. Inc.
Inventor： Christopher Michael Lew , Rebecca Edyne MacLean , Kurt Owen Jensen
Abstract: A method is disclosed making aluminosilicate SSZ-82. The method includes (1) preparing a reaction mixture comprising: an amorphous alumina source comprising predominantly aluminum hydroxide; an amorphous silica source comprising predominantly colloidal silica; a source of an alkali metal cation; an organic structure directing agent comprising a 1,6-bis(N-cyclohexylpyrrolidinium)hexane dication; hydroxide ions; seed crystals, wherein the seed crystals comprise a crystalline molecular sieve having an SSZ-82 framework; and water; (2) heating the reaction mixture under crystallization conditions including a temperature of from 100° C. to 200° C. for a time sufficient to form crystals of the aluminosilicate zeolite; and (3) recovering at least a portion of the aluminosilicate zeolite from step (2).
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公开(公告)号：US10821431B1
公开(公告)日：2020-11-03
申请号：US16838104
申请日：2020-04-02
Applicant: CHEVRON U.S.A. INC.
Inventor： Christopher Michael Lew , Kurt Owen Jensen
Abstract: A method is provided for the synthesis of aluminum-containing forms of molecular sieve CIT-15. The method includes treating an aluminogermanosilicate CIT-13 molecular sieve with water under conditions sufficient to degermanate at least a portion of the aluminogermanosilicate CIT-13 molecular sieve to provide a phyllosilicate comprising delaminated cfi-layers; and calcining the phyllosilicate under conditions sufficient to convert the phyllosilicate to an aluminogermanosilicate CIT-15 molecular sieve.
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公开(公告)号：US10343927B2
公开(公告)日：2019-07-09
申请号：US16151506
申请日：2018-10-04
Applicant: Chevron U.S.A. Inc.
Inventor： Dan Xie , Kurt Owen Jensen
Abstract: An aluminosilicate molecular sieve of AFT framework type, designated SSZ-112, is provided. SSZ-112 is synthesized using a mixed-template method. SSZ-112 may be used in catalytic and sorptive processes.
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