JP7592094B2 - 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法 - Google Patents

多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法 Download PDF

Info

Publication number
JP7592094B2
JP7592094B2 JP2022540321A JP2022540321A JP7592094B2 JP 7592094 B2 JP7592094 B2 JP 7592094B2 JP 2022540321 A JP2022540321 A JP 2022540321A JP 2022540321 A JP2022540321 A JP 2022540321A JP 7592094 B2 JP7592094 B2 JP 7592094B2
Authority
JP
Japan
Prior art keywords
filaments
mat
fibers
nonwoven
article
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
JP2022540321A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023508112A (ja
JP2023508112A5 (https=
Inventor
エム． ウィルソン，ディヴィッド
ブイ． チウ，ウィリアム
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2023508112A publication Critical patent/JP2023508112A/ja
Publication of JP2023508112A5 publication Critical patent/JP2023508112A5/ja
Application granted granted Critical
Publication of JP7592094B2 publication Critical patent/JP7592094B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/002—Inorganic yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
    • C04B35/6224—Fibres based on silica
    • C04B35/62245—Fibres based on silica rich in aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/624—Sol-gel processing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/04—Dry spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/12—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/50—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyalcohols, polyacetals or polyketals
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
    • D10B2101/08—Ceramic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/04—Filters
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/06—Packings, gaskets, seals
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Nonwoven Fabrics (AREA)
  • Inorganic Fibers (AREA)
JP2022540321A 2019-12-30 2020-12-18 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法 Active JP7592094B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962955252P 2019-12-30 2019-12-30
US62/955,252 2019-12-30
PCT/IB2020/062210 WO2021137088A1 (en) 2019-12-30 2020-12-18 Polycrystalline aluminosilicate ceramic filament nonwoven mats, and methods of making the same

Publications (3)

Publication Number Publication Date
JP2023508112A JP2023508112A (ja) 2023-02-28
JP2023508112A5 JP2023508112A5 (https=) 2023-12-21
JP7592094B2 true JP7592094B2 (ja) 2024-11-29

Family

ID=74186749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022540321A Active JP7592094B2 (ja) 2019-12-30 2020-12-18 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法

Country Status (4)

Country Link
US (1) US20230023362A1 (https=)
EP (1) EP4085165B1 (https=)
JP (1) JP7592094B2 (https=)
WO (1) WO2021137088A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102566631B1 (ko) * 2022-01-14 2023-08-14 에스케이온 주식회사 압력 강하 시트를 포함하는 배터리 모듈
EP4585735A1 (en) * 2024-01-10 2025-07-16 Eurekite Holding B.V. Process to make flexible non-woven ceramic mats

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003020938A (ja) 2001-06-22 2003-01-24 Three M Innovative Properties Co 触媒担体保持材及び触媒コンバータ
JP4174474B2 (ja) 2002-06-28 2008-10-29 電気化学工業株式会社 保持材用無機質短繊維集積体、その製造方法、及び保持材
JP2011208344A (ja) 2010-03-09 2011-10-20 Mitsubishi Plastics Inc 軽量無機繊維成形体、及びその製造方法
WO2013035646A1 (ja) 2011-09-08 2013-03-14 三菱樹脂株式会社 無機繊維成形体
WO2018093624A1 (en) 2016-11-18 2018-05-24 3M Innovative Properties Company Non-respirable, polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
WO2019217658A1 (en) 2018-05-11 2019-11-14 3M Innovative Properties Company Polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
JP2021518493A (ja) 2018-03-16 2021-08-02 アメリカン ナノ， エルエルシー シリカ繊維を組み込んだ組成物
JP2023508111A (ja) 2019-12-30 2023-02-28 スリーエム イノベイティブ プロパティズ カンパニー 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA637172A (en) 1957-08-05 1962-02-27 A. Hatch Robert Synthetic mica, mica products and method of making
US3825380A (en) 1972-07-07 1974-07-23 Exxon Research Engineering Co Melt-blowing die for producing nonwoven mats
US3916057A (en) 1973-08-31 1975-10-28 Minnesota Mining & Mfg Intumescent sheet material
US4181514A (en) 1978-02-14 1980-01-01 Huyck Corporation Stitch knitted filters for high temperature fluids and method of making them
US4305992A (en) 1979-11-28 1981-12-15 Minnesota Mining And Manufacturing Company Intumescent sheet material
US4385135A (en) 1982-05-26 1983-05-24 Minnesota Mining And Manufacturing Company Intumescent sheet material containing low density fillers
JPS61239100A (ja) * 1985-04-15 1986-10-24 イビデン株式会社 耐酸性セラミツクペ−パ−
US5242871A (en) 1988-02-29 1993-09-07 Nippon Pillar Packing Co., Ltd. Heat-resistant expansion member
JP2602460B2 (ja) 1991-01-17 1997-04-23 三菱化学株式会社 紡糸ノズル及び該紡糸ノズルを用いた金属化合物の繊維前駆体の製造法ならびに無機酸化物繊維の製造法
JP2958576B2 (ja) 1991-01-24 1999-10-06 富士写真フイルム株式会社 電池用正極材料
US5207989A (en) 1991-03-22 1993-05-04 Acs Industries, Inc. Seal for catalytic converter and method therefor
EP0678128B1 (en) 1993-01-07 1996-09-25 Minnesota Mining And Manufacturing Company Flexible nonwoven mat
US5476616A (en) 1994-12-12 1995-12-19 Schwarz; Eckhard C. A. Apparatus and process for uniformly melt-blowing a fiberforming thermoplastic polymer in a spinnerette assembly of multiple rows of spinning orifices
US5882608A (en) 1996-06-18 1999-03-16 Minnesota Mining And Manufacturing Company Hybrid mounting system for pollution control devices
US7261864B2 (en) * 2001-06-22 2007-08-28 3M Innovative Properties Company Catalyst carrier holding material and catalytic converter
KR20070086216A (ko) * 2004-11-18 2007-08-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 오염 제어 장치 및 용해된 에지를 갖는 무기 섬유 시트재료
PL2205838T3 (pl) * 2007-10-09 2014-10-31 3M Innovative Properties Co Maty mocujące zawierające nieorganiczne nanocząstki i sposób ich wytwarzania

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003020938A (ja) 2001-06-22 2003-01-24 Three M Innovative Properties Co 触媒担体保持材及び触媒コンバータ
JP4174474B2 (ja) 2002-06-28 2008-10-29 電気化学工業株式会社 保持材用無機質短繊維集積体、その製造方法、及び保持材
JP2011208344A (ja) 2010-03-09 2011-10-20 Mitsubishi Plastics Inc 軽量無機繊維成形体、及びその製造方法
WO2013035646A1 (ja) 2011-09-08 2013-03-14 三菱樹脂株式会社 無機繊維成形体
WO2018093624A1 (en) 2016-11-18 2018-05-24 3M Innovative Properties Company Non-respirable, polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
JP2021518493A (ja) 2018-03-16 2021-08-02 アメリカン ナノ， エルエルシー シリカ繊維を組み込んだ組成物
WO2019217658A1 (en) 2018-05-11 2019-11-14 3M Innovative Properties Company Polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
JP2023508111A (ja) 2019-12-30 2023-02-28 スリーエム イノベイティブ プロパティズ カンパニー 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法

Also Published As

Publication number Publication date
JP2023508112A (ja) 2023-02-28
EP4085165B1 (en) 2023-12-13
EP4085165A1 (en) 2022-11-09
WO2021137088A1 (en) 2021-07-08
US20230023362A1 (en) 2023-01-26

Similar Documents

Publication Publication Date Title
US20220178061A1 (en) Non-respirable, polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
CN113646475B (zh) 无机纤维成型体、尾气净化装置用垫和尾气净化装置
CN102575552B (zh) 多层垫和废气处理装置
US20230043218A1 (en) Polycrystalline aluminosilicate ceramic filament nonwoven mats, and methods of making the same
JP2018048647A (ja) 汚染物質制御デバイス用の多層装着マット
US9200391B2 (en) Mat, method for manufacturing the mat, and apparatus for purifying exhaust gas
JP5990393B2 (ja) 保持シール材、及び、排ガス浄化装置
US20110311404A1 (en) Thermally Stable Inorganic Fibers For Exhaust Gas Treatment Device Insulating Mat
EP3790850B1 (en) Nonwoven article of discontinuous polycrystalline, aluminosilicate ceramic fibers, and method of making and using the same
US20210140080A1 (en) Polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
JP7592094B2 (ja) 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法
US20150017072A1 (en) Inorganic fiber, method of producing inorganic fiber aggregate, holding sealing material, and exhaust gas purifying apparatus
US9133569B2 (en) Mat, method of manufacturing mat, and exhaust gas purification apparatus
JP7728681B2 (ja) 保持シール材、保持シール材の製造方法及び排ガス浄化装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231213

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231213

TRDD Decision of grant or rejection written
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20241015

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20241022

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241119

R150 Certificate of patent or registration of utility model

Ref document number: 7592094

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150