CA2818111C - Co2 collection methods and systems - Google Patents

Co2 collection methods and systems Download PDF

Info

Publication number
CA2818111C
CA2818111C CA2818111A CA2818111A CA2818111C CA 2818111 C CA2818111 C CA 2818111C CA 2818111 A CA2818111 A CA 2818111A CA 2818111 A CA2818111 A CA 2818111A CA 2818111 C CA2818111 C CA 2818111C
Authority
CA
Canada
Prior art keywords
carbon dioxide
chamber
vacuum chamber
accordance
contactor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2818111A
Other languages
English (en)
French (fr)
Other versions
CA2818111A1 (en
Inventor
Anthony M. Dicenzo
Joseph P. Bruschi
James G. Parlett
Douglas A. Galasso
Tab Hunter Crooks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boeing Co
Original Assignee
Boeing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boeing Co filed Critical Boeing Co
Publication of CA2818111A1 publication Critical patent/CA2818111A1/en
Application granted granted Critical
Publication of CA2818111C publication Critical patent/CA2818111C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0454Controlling adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047Pressure swing adsorption
    • B01D53/0476Vacuum pressure swing adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/265Drying gases or vapours by refrigeration (condensation)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/62Carbon oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes
    • B01D53/82Solid phase processes with stationary reactants
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/50Carbon dioxide
    • C01B32/55Solidifying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates
    • B01D2253/108Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2256/00Main component in the product gas stream after treatment
    • B01D2256/22Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/402Further details for adsorption processes and devices using two beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/414Further details for adsorption processes and devices using different types of adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456Removing acid components
    • B01D53/1462Removing mixtures of hydrogen sulfide and carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456Removing acid components
    • B01D53/1475Removing carbon dioxide
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/151Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Drying Of Gases (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Treating Waste Gases (AREA)
CA2818111A 2011-08-29 2012-08-20 Co2 collection methods and systems Active CA2818111C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/220,261 2011-08-29
US13/220,261 US10118122B2 (en) 2011-08-29 2011-08-29 CO2 collection methods and systems

Publications (2)

Publication Number Publication Date
CA2818111A1 CA2818111A1 (en) 2013-02-28
CA2818111C true CA2818111C (en) 2016-11-22

Family

ID=46724247

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2818111A Active CA2818111C (en) 2011-08-29 2012-08-20 Co2 collection methods and systems

Country Status (6)

Country Link
US (2) US10118122B2 (https=)
EP (1) EP2564914B1 (https=)
JP (1) JP6059916B2 (https=)
CN (1) CN102963893B (https=)
AU (1) AU2012204024B2 (https=)
CA (1) CA2818111C (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9205357B2 (en) 2012-03-29 2015-12-08 The Boeing Company Carbon dioxide separation system and method
US9156703B2 (en) 2012-03-30 2015-10-13 The Boeing Company System and method for producing carbon dioxide
US9103549B2 (en) 2012-08-23 2015-08-11 The Boeing Company Dual stream system and method for producing carbon dioxide
US9073003B2 (en) 2012-08-23 2015-07-07 The Boeing Company System and method for collecting carbon dioxide utilizing dielectric heating
US9777628B2 (en) 2012-08-23 2017-10-03 The Boeing Company System and method for processing greenhouse gases
US9073001B2 (en) 2013-02-14 2015-07-07 The Boeing Company Monolithic contactor and associated system and method for collecting carbon dioxide
JP6202371B2 (ja) * 2013-06-03 2017-09-27 国立研究開発法人海洋研究開発機構 二酸化炭素の再資源化方法
US10066884B2 (en) 2013-07-25 2018-09-04 Denbury Resources Inc. Method and apparatus for dampening flow variations and pressurizing carbon dioxide
JP7092717B2 (ja) * 2019-08-08 2022-06-28 フタバ産業株式会社 二酸化炭素施用装置
WO2022015185A1 (en) * 2020-07-16 2022-01-20 Qatar Foundation For Education, Science And Community Development Air conditioning system and method of capturing co 2 using the same
JP2023553415A (ja) 2020-12-09 2023-12-21 アリゾナ・ボード・オブ・リージェンツ・オン・ビハーフ・オブ・アリゾナ・ステイト・ユニバーシティー 二酸化炭素を効率的に捕捉するためのシステムおよび方法
MX2023013130A (es) * 2021-05-07 2023-11-28 Cold Jet Llc Metodo y aparato para formar dioxido de carbono solido.
US20230314070A1 (en) * 2022-03-30 2023-10-05 Microsoft Technology Licensing, Llc Cryogenic removal of carbon dioxide from the atmosphere
JP7444344B1 (ja) * 2022-05-31 2024-03-06 三菱電機株式会社 Co2吸着装置
DE102023119251A1 (de) * 2023-07-20 2025-01-23 Volkswagen Aktiengesellschaft Direct Air Capture Verfahren

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264340A (en) * 1979-02-28 1981-04-28 Air Products And Chemicals, Inc. Vacuum swing adsorption for air fractionation
US4249915A (en) 1979-05-30 1981-02-10 Air Products And Chemicals, Inc. Removal of water and carbon dioxide from air
US4551197A (en) * 1984-07-26 1985-11-05 Guilmette Joseph G Method and apparatus for the recovery and recycling of condensable gas reactants
GB2171927B (en) 1985-03-04 1988-05-25 Boc Group Plc Method and apparatus for separating a gaseous mixture
JPS62136222A (ja) 1985-12-10 1987-06-19 Nippon Steel Corp 混合ガスから特定のガスを吸着分離する方法
US4784672A (en) * 1987-10-08 1988-11-15 Air Products And Chemicals, Inc. Regeneration of adsorbents
DE4003533A1 (de) 1989-02-07 1990-08-09 Pero Kg Verfahren und vorrichtung zur rueckgewinnung von in einem adsorber adsorbierten umweltbelastenden stoffen
JPH07108368B2 (ja) * 1990-11-02 1995-11-22 住友精化株式会社 混合ガス中の水分除去方法
US5229089A (en) * 1991-11-06 1993-07-20 The Boc Group, Inc. Recovery of flammable materials from gas streams
US5261250A (en) * 1993-03-09 1993-11-16 Polycold Systems International Method and apparatus for recovering multicomponent vapor mixtures
US5488833A (en) * 1994-09-26 1996-02-06 Stewart; Jeffrey Tangential flow cold trap
US5518526A (en) * 1994-10-07 1996-05-21 Praxair Technology, Inc. Pressure swing adsorption process
EP0895484A4 (en) * 1996-03-26 2000-12-06 Saes Pure Gas Inc COMBINATION OF CRYOPUMP AND GETTER PUMP AND METHOD FOR REGENERATING IT
US6332925B1 (en) * 1996-05-23 2001-12-25 Ebara Corporation Evacuation system
ATE261757T1 (de) * 1996-12-11 2004-04-15 Sgi Prozess Technik Gmbh Verfahren zum betrieb einer druckwechselanlage zur gewinnung von sauerstoff aus der luft
US6048384A (en) * 1997-12-09 2000-04-11 Smolarek; James PSA process and system using simultaneous top and bottom evacuation of absorbent bed
US6070431A (en) * 1999-02-02 2000-06-06 Praxair Technology, Inc. Distillation system for producing carbon dioxide
FR2792210B1 (fr) * 1999-04-13 2001-09-14 Air Liquide Sante Int Equipement medical portable d'oxygenotherapie a domicile
JP2002013696A (ja) 2000-06-29 2002-01-18 Tokyo Gas Chemicals Co Ltd 炭酸ガスの固化精製及び圧力容器への充填方法
US6630012B2 (en) * 2001-04-30 2003-10-07 Battelle Memorial Institute Method for thermal swing adsorption and thermally-enhanced pressure swing adsorption
WO2005108297A2 (en) 2004-05-04 2005-11-17 The Trustees Of Columbia University In The City Of New York Carbon dioxide capture and mitigation of carbon dioxide emissions
WO2007133595A2 (en) * 2006-05-08 2007-11-22 The Board Of Trustees Of The University Of Illinois Integrated vacuum absorption steam cycle gas separation
US7695553B2 (en) * 2006-06-30 2010-04-13 Praxair Technology, Inc. Twin blowers for gas separation plants
US7736416B2 (en) 2007-02-26 2010-06-15 Hamilton Sundstrand Corporation Thermally linked molecular sieve beds for CO2 removal
US8616294B2 (en) 2007-05-20 2013-12-31 Pioneer Energy, Inc. Systems and methods for generating in-situ carbon dioxide driver gas for use in enhanced oil recovery
US7650939B2 (en) 2007-05-20 2010-01-26 Pioneer Energy, Inc. Portable and modular system for extracting petroleum and generating power
US8163070B2 (en) * 2008-08-01 2012-04-24 Wolfgang Georg Hees Method and system for extracting carbon dioxide by anti-sublimation at raised pressure
US8137435B2 (en) * 2009-03-31 2012-03-20 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Carbon dioxide recovery from low concentration sources

Also Published As

Publication number Publication date
US10118122B2 (en) 2018-11-06
CN102963893B (zh) 2017-03-01
CN102963893A (zh) 2013-03-13
EP2564914A1 (en) 2013-03-06
JP2013056329A (ja) 2013-03-28
US20130047664A1 (en) 2013-02-28
AU2012204024B2 (en) 2016-10-27
AU2012204024A1 (en) 2013-03-21
US20190030478A1 (en) 2019-01-31
EP2564914B1 (en) 2017-05-31
CA2818111A1 (en) 2013-02-28
US11376543B2 (en) 2022-07-05
JP6059916B2 (ja) 2017-01-11

Similar Documents

Publication Publication Date Title
US11376543B2 (en) CO2 collection methods and systems
CN104107629B (zh) 一种烟气二氧化碳捕集系统及捕集方法
CN102652246B (zh) 用于低温冷却/液化的方法和设备
CN105214442A (zh) 一种新型高效的有机溶剂回收系统
CN210495768U (zh) 压缩冷凝膜分离技术实现湿法锂电隔膜二氯甲烷回收装置
CN103801104B (zh) 高性能聚乙烯纤维干法纺丝溶剂回收的节能方法
CN105097060B (zh) 一种高温气冷堆优化氦净化再生系统及再生方法
CN105032122A (zh) 一种氚化水回收装置及其实现方法
CN103894044A (zh) 一种乙炔干燥的新装置
US20250161870A1 (en) Mechanical vapor re-compressor heat pump for separating co2 from water vapor in temperature-vacuum swing adsorption cycles
CN104841245A (zh) 人造板制造行业用冷凝加吸附式甲醛回收装置及回收方法
CN103830991A (zh) 有机溶剂吸附回收的真空脱附系统及方法
CN113915519B (zh) 一种零排放、防形变环网柜绝缘气体回收装置和方法
CN207299713U (zh) 一种烟气碳捕集系统的二氧化碳液化装置
CN104830371B (zh) 一种回收炼厂干气中c2的装置和方法
CN211302579U (zh) 一种用于VOCs回收的废气治理系统
CN103880578B (zh) 一种煤层气的富集工艺
CN203663659U (zh) 有机溶剂吸附回收的真空脱附系统
CN106352658B (zh) 一种环己酮装置氧化尾气治理装置及其应用
CN203170183U (zh) 低浓度煤层气变压吸附富集系统
CN221811421U (zh) 一种空气分离氧氮后回收氮气的装置
CN204656288U (zh) 人造板制造行业用冷凝加吸附式甲醛回收装置
CN204656278U (zh) 木质家具行业用常压解析的吸附式甲苯回收装置
CN202744589U (zh) 一种全蒸汽vd真空精炼炉的无阀控制回路
CN207774927U (zh) 一种空分预冷装置冷却水循环系统

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20140903

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 12TH ANNIV.) - STANDARD

Year of fee payment: 12

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20240816

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20240816

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 13TH ANNIV.) - STANDARD

Year of fee payment: 13

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250815

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250903