JPWO2022085550A1 - - Google Patents

Info

Publication number
JPWO2022085550A1
JPWO2022085550A1 JP2022507412A JP2022507412A JPWO2022085550A1 JP WO2022085550 A1 JPWO2022085550 A1 JP WO2022085550A1 JP 2022507412 A JP2022507412 A JP 2022507412A JP 2022507412 A JP2022507412 A JP 2022507412A JP WO2022085550 A1 JPWO2022085550 A1 JP WO2022085550A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022507412A
Other languages
Japanese (ja)
Other versions
JP7060772B1 (ja
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=81290852&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPWO2022085550(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Priority to JP2022066387A priority Critical patent/JP2022093398A/ja
Application granted granted Critical
Publication of JP7060772B1 publication Critical patent/JP7060772B1/ja
Publication of JPWO2022085550A1 publication Critical patent/JPWO2022085550A1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/02Loose filtering material, e.g. loose fibres
    • B01D39/04Organic material, e.g. cellulose, cotton
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055Carbonaceous material
    • B01D39/2058Carbonaceous material the material being particulate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055Carbonaceous material
    • B01D39/2065Carbonaceous material the material being fibrous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28011Other properties, e.g. density, crush strength
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057Surface area, e.g. B.E.T specific surface area
    • B01J20/28066Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B01J20/28071Pore volume, e.g. total pore volume, mesopore volume, micropore volume being less than 0.5 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28078Pore diameter
    • B01J20/2808Pore diameter being less than 2 nm, i.e. micropores or nanopores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3078Thermal treatment, e.g. calcining or pyrolizing
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/318Preparation characterised by the starting materials
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/318Preparation characterised by the starting materials
    • C01B32/324Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/336Preparation characterised by gaseous activating agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0407Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0442Antimicrobial, antibacterial, antifungal additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/08Special characteristics of binders
    • B01D2239/086Binders between particles or fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/20Halogens or halogen compounds
    • B01D2257/206Organic halogen compounds
    • B01D2257/2066Fluorine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/485Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4875Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
    • B01J2220/4881Residues from shells, e.g. eggshells, mollusk shells
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/32Hydrocarbons, e.g. oil
    • C02F2101/322Volatile compounds, e.g. benzene
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/36Organic compounds containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Geology (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)
JP2022507412A 2020-10-23 2021-10-14 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器 Active JP7060772B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022066387A JP2022093398A (ja) 2020-10-23 2022-04-13 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020177898 2020-10-23
JP2020177898 2020-10-23
PCT/JP2021/038008 WO2022085550A1 (ja) 2020-10-23 2021-10-14 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022066387A Division JP2022093398A (ja) 2020-10-23 2022-04-13 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器

Publications (2)

Publication Number Publication Date
JP7060772B1 JP7060772B1 (ja) 2022-04-26
JPWO2022085550A1 true JPWO2022085550A1 (https=) 2022-04-28

Family

ID=81290852

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022507412A Active JP7060772B1 (ja) 2020-10-23 2021-10-14 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器
JP2022066387A Pending JP2022093398A (ja) 2020-10-23 2022-04-13 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022066387A Pending JP2022093398A (ja) 2020-10-23 2022-04-13 炭素質材料及びその製造方法、並びに、含フッ素有機化合物除去材、浄水用フィルター及び浄水器

Country Status (7)

Country Link
US (1) US20230390731A1 (https=)
EP (1) EP4215483A4 (https=)
JP (2) JP7060772B1 (https=)
KR (1) KR20230091907A (https=)
CN (1) CN116529207B (https=)
TW (1) TW202222705A (https=)
WO (1) WO2022085550A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4656600A1 (en) 2023-01-25 2025-12-03 Unitika Ltd. Filter
CN121358689A (zh) * 2023-06-15 2026-01-16 株式会社可乐丽 活性炭
JP7453463B1 (ja) * 2023-11-29 2024-03-19 大阪ガスケミカル株式会社 炭素質材料及びその製造方法、並びに吸着フィルター
WO2025173589A1 (ja) * 2024-02-16 2025-08-21 株式会社クラレ 成型体ならびにパーフルオロアルキル化合物および/またはポリフルオロアルキル化合物の除去方法
JP7847728B1 (ja) * 2026-01-13 2026-04-17 大阪ガスケミカル株式会社 活性炭、及びリボフラビン除去方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034674A (ja) * 1983-08-02 1985-02-22 河添 邦太朗 繊維状活性炭の製造方法
JPS60137811A (ja) * 1983-12-22 1985-07-22 Toho Rayon Co Ltd 浄水用活性炭素繊維
JPH09241014A (ja) * 1996-03-08 1997-09-16 Agency Of Ind Science & Technol 活性炭の製造方法
JP2003290654A (ja) * 2002-04-01 2003-10-14 Kuraray Co Ltd 活性炭素繊維及びその製造方法、並びに浄水器用カートリッジ及び浄水器
US20100000947A1 (en) 2008-07-04 2010-01-07 Daikin Industries, Ltd. Treating method of a fluorinated surfactant-containing aqueous solution
JP4934177B2 (ja) * 2009-08-28 2012-05-16 水ing株式会社 浄水処理装置と方法
JP5936423B2 (ja) * 2012-04-19 2016-06-22 フタムラ化学株式会社 浄水器用活性炭及びこれを用いた活性炭カートリッジ
JP6599888B2 (ja) * 2014-11-19 2019-10-30 株式会社クラレ 吸着フィルター
WO2017199717A1 (ja) * 2016-05-17 2017-11-23 株式会社クラレ 活性炭、並びにそれを用いた吸着フィルターおよび浄水器
CN109565049B (zh) * 2016-08-16 2022-05-17 株式会社可乐丽 非水电解质二次电池的负极活性物质用的碳质材料、非水电解质二次电池用负极、非水电解质二次电池以及碳质材料的制造方法
EP3810549B1 (en) * 2018-08-14 2024-05-01 Evoqua Water Technologies LLC Modified activated carbon and methods of using same
CN113727774A (zh) * 2019-04-03 2021-11-30 卡尔冈碳素公司 全氟烷基和多氟烷基吸着剂材料和使用方法
CN110274189A (zh) 2019-04-19 2019-09-24 武汉康圣金水晶工艺品有限公司 一种水晶灯罩
WO2020218370A1 (ja) * 2019-04-26 2020-10-29 株式会社クラレ 炭素質材料及びその製造方法、並びに浄水用フィルター及び浄水器

Also Published As

Publication number Publication date
JP7060772B1 (ja) 2022-04-26
TW202222705A (zh) 2022-06-16
WO2022085550A1 (ja) 2022-04-28
EP4215483A4 (en) 2024-10-30
CN116529207B (zh) 2025-05-23
EP4215483A1 (en) 2023-07-26
US20230390731A1 (en) 2023-12-07
KR20230091907A (ko) 2023-06-23
CN116529207A (zh) 2023-08-01
JP2022093398A (ja) 2022-06-23

Similar Documents

Publication Publication Date Title
BR112023005462A2 (https=)
BR112023012656A2 (https=)
BR112021014123A2 (https=)
BR112023009656A2 (https=)
JPWO2022085550A1 (https=)
BR112022009896A2 (https=)
JPWO2022071019A1 (https=)
BR112021017747A2 (https=)
BR112022024743A2 (https=)
BR112022026905A2 (https=)
BR112023011738A2 (https=)
BR112023004146A2 (https=)
BR112023006729A2 (https=)
BR102021018859A2 (https=)
BR102021015500A2 (https=)
BR112023016292A2 (https=)
BR112023011610A2 (https=)
BR112023011539A2 (https=)
BR112023008976A2 (https=)
BR102021020147A2 (https=)
BR102021018926A2 (https=)
BR102021018167A2 (https=)
BR102021017576A2 (https=)
BR102021016837A2 (https=)
BR102021016551A2 (https=)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220204

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20220204

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220322

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220414

R150 Certificate of patent or registration of utility model

Ref document number: 7060772

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R157 Certificate of patent or utility model (correction)

Free format text: JAPANESE INTERMEDIATE CODE: R157