KR20170100581A - 개질제를 포함하는 탄소 지지형 촉매 및 이의 제조 방법 - Google Patents

개질제를 포함하는 탄소 지지형 촉매 및 이의 제조 방법 Download PDF

Info

Publication number
KR20170100581A
KR20170100581A KR1020177020312A KR20177020312A KR20170100581A KR 20170100581 A KR20170100581 A KR 20170100581A KR 1020177020312 A KR1020177020312 A KR 1020177020312A KR 20177020312 A KR20177020312 A KR 20177020312A KR 20170100581 A KR20170100581 A KR 20170100581A
Authority
KR
South Korea
Prior art keywords
carbon
niobium
platinum
titanium
supported catalyst
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.)
Ceased
Application number
KR1020177020312A
Other languages
English (en)
Korean (ko)
Inventor
안드레아스 하스
Original Assignee
바스프 에스이
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 바스프 에스이 filed Critical 바스프 에스이
Publication of KR20170100581A publication Critical patent/KR20170100581A/ko
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/648—Vanadium, niobium or tantalum or polonium
    • B01J23/6484—Niobium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J35/1019—
    • B01J35/1023—
    • B01J35/1028—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/33—Electric or magnetic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/393—Metal or metal oxide crystallite size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0045—Drying a slurry, e.g. spray drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0207—Pretreatment of the support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • B01J37/035—Precipitation on carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8803—Supports for the deposition of the catalytic active composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8825—Methods for deposition of the catalytic active composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882—Heat treatment, e.g. drying, baking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/921—Alloys or mixtures with metallic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
    • H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/617—500-1000 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/618—Surface area more than 1000 m2/g
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Inert Electrodes (AREA)
  • Hybrid Cells (AREA)
  • Fuel Cell (AREA)
KR1020177020312A 2014-12-22 2015-12-21 개질제를 포함하는 탄소 지지형 촉매 및 이의 제조 방법 Ceased KR20170100581A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14199646.2 2014-12-22
EP14199646 2014-12-22
PCT/EP2015/080752 WO2016102440A1 (en) 2014-12-22 2015-12-21 Carbon supported catalyst comprising a modifier and process for preparing the carbon supported catalyst

Publications (1)

Publication Number Publication Date
KR20170100581A true KR20170100581A (ko) 2017-09-04

Family

ID=52344984

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177020312A Ceased KR20170100581A (ko) 2014-12-22 2015-12-21 개질제를 포함하는 탄소 지지형 촉매 및 이의 제조 방법

Country Status (6)

Country Link
US (1) US20180006313A1 (enExample)
EP (1) EP3237110A1 (enExample)
JP (1) JP6671376B2 (enExample)
KR (1) KR20170100581A (enExample)
CN (1) CN107249735A (enExample)
WO (1) WO2016102440A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210061958A (ko) * 2019-11-20 2021-05-28 건국대학교 산학협력단 전기증착법을 이용한 금속 유기 골격체와 층상 이중 수산화물 복합체 제조 방법

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9873107B2 (en) * 2014-03-18 2018-01-23 Basf Se Process for the production of a carbon supported catalyst
US10886540B2 (en) * 2015-12-14 2021-01-05 Indiana University Research And Technology Corporation Systems and methods of graphene supported catalysts
CA3017676C (en) 2016-03-18 2024-02-27 Basf Se Metal-doped tin oxide for electrocatalysis applications
CN109906287B (zh) 2016-10-28 2022-06-21 巴斯夫欧洲公司 包含负载在氧化锡上的贵金属氧化物的电催化剂组合物
KR102093824B1 (ko) * 2018-05-02 2020-03-26 한국과학기술연구원 탄소-담지 백금-전이금속 합금 나노입자 촉매의 제조방법
CN108745373A (zh) * 2018-06-15 2018-11-06 南京大学 一种贵金属合金/碳材料负载型催化剂的制备方法
KR102141396B1 (ko) * 2018-08-24 2020-08-05 한국과학기술연구원 탄소-담지 백금-전이금속 합금 나노입자 촉매의 제조방법
JP6904371B2 (ja) * 2019-02-08 2021-07-14 株式会社豊田中央研究所 Ｐｔ−Ｌｎナノ粒子、並びに、Ｐｔ−Ｌｎナノ粒子複合体及びその製造方法
US20210104752A1 (en) * 2019-10-02 2021-04-08 Robert Bosch Gmbh Catalyst support materials for fuel cells
CN111883791A (zh) * 2020-06-17 2020-11-03 江苏大学 三金属铂钯铬直接乙醇燃料电池催化剂的制备方法
CN111939893B (zh) * 2020-08-11 2023-07-21 江苏集萃安泰创明先进能源材料研究院有限公司 一种储氢材料用复合催化剂及其制备方法
CN114512617A (zh) * 2020-11-17 2022-05-17 京东方科技集团股份有限公司 一种发光器件、显示装置和发光器件的制作方法
KR20220091754A (ko) * 2020-12-24 2022-07-01 현대자동차주식회사 인터메탈릭 촉매 및 이의 제조 방법
KR20220103288A (ko) * 2021-01-15 2022-07-22 현대자동차주식회사 인터메탈릭 촉매 및 이의 제조 방법
CN112921344B (zh) * 2021-01-19 2022-06-10 华南理工大学 一种氧化锡-氯氧化铋复合颗粒及其制备方法和应用
CN113113623A (zh) * 2021-03-26 2021-07-13 中国科学技术大学 碳负载的铂基金属间化合物纳米材料合成方法及其电催化应用
CN116020503B (zh) * 2021-10-25 2024-08-30 中国石油化工股份有限公司 用于烃类选择氧化的成型钒磷氧化物催化剂及其制备方法和顺酐的制备方法
CN117486746B (zh) * 2023-12-21 2024-04-05 禾工(广州)材料科技股份有限公司 一种十八烷基油酸酰胺的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI301001B (en) * 2004-05-25 2008-09-11 Lg Chemical Ltd Ruthenium-rhodium alloy electrode catalyst and fuel cell comprising the same
KR100745736B1 (ko) * 2006-02-23 2007-08-02 삼성에스디아이 주식회사 카본나노튜브, 이를 포함한 담지 촉매 및 상기 담지 촉매를이용한 연료전지
JP5822834B2 (ja) * 2009-09-22 2015-11-24 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 燃料電池用の金属酸化物ドーピングを有する触媒
JP2011222132A (ja) * 2010-04-02 2011-11-04 Hitachi Ltd 電極触媒材料およびその製造方法
JP2012024745A (ja) * 2010-07-28 2012-02-09 Hitachi Ltd 触媒材料及びその製造方法
EP2477264B1 (en) * 2011-01-13 2018-12-19 Samsung Electronics Co., Ltd. Catalyst including active particles, method of preparing the catalyst, fuel cell including the catalyst, electrode including the active particles for lithium air battery, and lithium air battery including the electrode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210061958A (ko) * 2019-11-20 2021-05-28 건국대학교 산학협력단 전기증착법을 이용한 금속 유기 골격체와 층상 이중 수산화물 복합체 제조 방법

Also Published As

Publication number Publication date
EP3237110A1 (en) 2017-11-01
CN107249735A (zh) 2017-10-13
US20180006313A1 (en) 2018-01-04
JP2018507097A (ja) 2018-03-15
WO2016102440A1 (en) 2016-06-30
JP6671376B2 (ja) 2020-03-25

Similar Documents

Publication Publication Date Title
JP6517316B2 (ja) 炭素担持触媒を生成するための方法
JP6671376B2 (ja) 改質剤を含む炭素担持触媒及び炭素担持触媒の製造方法
KR101797782B1 (ko) 연료 전지를 위한 금속 산화물 도핑을 갖는 촉매
US8709964B2 (en) Process for producing a carbon-comprising support
EP2133943B1 (en) Process for producing electrode catalyst for fuel cell
KR101649384B1 (ko) 촉매의 연속 제조 방법
WO2012035501A1 (en) Process for producing carbon-comprising support
KR20120115559A (ko) 촉매의 제조 방법 및 촉매
EP3856951A1 (en) Process for producing alloy nanoparticles
EP3942636B1 (en) Method for preparation of a supported noble metal-metal alloy composite, and the obtained supported noble metal-metal alloy composite
RU2695999C1 (ru) Способ получения катализаторов с наноразмерными частицами платины и ее сплавов с металлами
RU2446009C1 (ru) Способ приготовления платино-рутениевых электрокатализаторов
KR20210099240A (ko) 물리적 기상 증착법을 이용한 탄소-담지 합금 나노입자 촉매의 제조방법
CN116936835A (zh) 一种双贵金属有序Pt3-xMxCo/NMC金属间化合物催化剂及其制备方法与应用
KR20070058435A (ko) 전기화학적 산화 반응을 위한 금속 합금 및 그의 제조 방법
KR102902940B1 (ko) 지지된 귀금속-금속 합금 복합체의 제조 방법 및 얻어진 지지된 귀금속-금속 합금 복합체
Chandravathanam et al. Effect of citrate on the Pt state of Pt/Carbon Black catalyst for methanol electro-oxidation studies

Legal Events

Date Code Title Description
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PX0901 Re-examination

St.27 status event code: A-2-3-E10-E12-rex-PX0901

PX0601 Decision of rejection after re-examination

St.27 status event code: N-2-6-B10-B17-rex-PX0601

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000