TR28119A - Hava filtreleme malzemesi, bunun imali ve kullanimi. - Google Patents

Hava filtreleme malzemesi, bunun imali ve kullanimi.

Info

Publication number
TR28119A
TR28119A TR01372/94A TR137294A TR28119A TR 28119 A TR28119 A TR 28119A TR 01372/94 A TR01372/94 A TR 01372/94A TR 137294 A TR137294 A TR 137294A TR 28119 A TR28119 A TR 28119A
Authority
TR
Turkey
Prior art keywords
manufacture
air filtration
filtration material
air
filtration
Prior art date
Application number
TR01372/94A
Other languages
English (en)
Original Assignee
Freudenberg Carl
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 Freudenberg Carl filed Critical Freudenberg Carl
Publication of TR28119A publication Critical patent/TR28119A/tr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • 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
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • 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
    • D04H1/4282—Addition polymers
    • D04H1/43—Acrylonitrile series
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5414—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres side-by-side
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/544—Olefin series
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2915—Rod, strand, filament or fiber including textile, cloth or fabric
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
TR01372/94A 1994-03-05 1994-12-29 Hava filtreleme malzemesi, bunun imali ve kullanimi. TR28119A (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4407344A DE4407344C1 (de) 1994-03-05 1994-03-05 Luftfiltermaterial, seine Verwendung und Herstellung

Publications (1)

Publication Number Publication Date
TR28119A true TR28119A (tr) 1996-02-08

Family

ID=6511935

Family Applications (1)

Application Number Title Priority Date Filing Date
TR01372/94A TR28119A (tr) 1994-03-05 1994-12-29 Hava filtreleme malzemesi, bunun imali ve kullanimi.

Country Status (10)

Country Link
US (1) US5470485A (tr)
EP (1) EP0674933B1 (tr)
JP (1) JP2716675B2 (tr)
CN (1) CN1062190C (tr)
BR (1) BR9500387A (tr)
CZ (1) CZ286494B6 (tr)
DE (1) DE4407344C1 (tr)
ES (1) ES2116512T3 (tr)
PL (1) PL178820B1 (tr)
TR (1) TR28119A (tr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW438678B (en) 1996-08-09 2001-06-07 Daikin Ind Ltd Fire-retardant filter medium and air filter unit using the same
KR19980068512A (ko) * 1997-02-20 1998-10-26 손영목 난연성 필터 백(Filter Bag)과 그 제조방법
JP3512100B2 (ja) * 1997-04-11 2004-03-29 ダイキン工業株式会社 エアフィルターユニットおよびその製造方法
WO1999058224A1 (fr) * 1998-05-13 1999-11-18 Texel Inc. Filtre a air triboelectrique
GB9815629D0 (en) 1998-07-18 1998-09-16 Hepworth Minerals & Chemicals Filter materials and methods for the producton thereof
DE19856490B4 (de) * 1998-12-08 2006-01-12 Carl Freudenberg Kg Einrichtung zur Reinigung der Luft von Staubpartikeln, insbesondere von Pollenstaub und dergleichen
US6372004B1 (en) * 1999-07-08 2002-04-16 Airflo Europe N.V. High efficiency depth filter and methods of forming the same
JP4499852B2 (ja) * 1999-09-20 2010-07-07 阿波製紙株式会社 分離膜支持体とその製造方法
GB9924549D0 (en) 1999-10-19 1999-12-22 Hepworth Minerals & Chemicals Filter materials and methods for the production thereof
US6419729B1 (en) 2000-04-17 2002-07-16 3M Innovative Properties Company Filter assemblies with adhesive attachment systems
DE10059050C2 (de) 2000-11-28 2003-02-27 Freudenberg Carl Kg Verfahren zur Herstellung eines triboelektrisch geladenen Vliesstoffs
ES2208481T3 (es) * 2001-03-02 2004-06-16 Airflo Europe N.V. Filtro de material compuesto y procedimiento de fabricacion.
DE10120223B4 (de) 2001-04-24 2005-08-25 Carl Freudenberg Kg Mehrlagiger Luftfilter und dessen Verwendung
DE10235368A1 (de) * 2002-08-02 2004-02-19 Robert Bosch Gmbh Vorrichtung zum automatischen Schalten von Beleuchtungseinrichtungen, insbesondere für ein Kraftfahrzeug
US6808548B2 (en) * 2002-12-31 2004-10-26 Hollinee Glass Corporation Three component filtration material
WO2004060530A1 (en) * 2002-12-31 2004-07-22 Hollinee Llc Two fiber filtration material
US20040177758A1 (en) * 2003-03-14 2004-09-16 Tsai Peter P. Triboelectric air filter media
SE526593C2 (sv) * 2003-10-21 2005-10-11 Scandfilter Ab Luftfiltreringssystem
US7981177B2 (en) * 2007-04-18 2011-07-19 Transweb, Llc Filtration media having a slit-film layer
DE202007018375U1 (de) 2007-07-06 2008-07-03 Eurofilters Holding N.V. Staubsaugerfilterbeutel
DE102008050264A1 (de) * 2008-10-07 2010-04-08 Carl Freudenberg Kg Filterelement mit abscheidungsstabilisierender Beschichtung
KR101962406B1 (ko) 2010-10-25 2019-03-26 릭 엘. 채프먼 전략적 이형단면 섬유 및/또는 전하 제어제를 함유하는 섬유 블렌드를 사용하는 여과 물질
US10245537B2 (en) 2012-05-07 2019-04-02 3M Innovative Properties Company Molded respirator having outer cover web joined to mesh
EP2821118B1 (en) * 2013-07-02 2018-10-17 Pall Corporation Dual bag filter
CN105597934B (zh) * 2015-12-28 2017-07-04 江南大学 一种pm2.5颗粒吸附方法
CN108468156A (zh) * 2018-03-20 2018-08-31 吉林省华纺静电材料科技有限公司 利用聚丙烯静电纤维和丙烯腈纤维生产针刺静电网的工艺及其应用
CN115576288B (zh) * 2022-10-28 2023-08-08 苏州米果新材料科技有限公司 一种过滤材料的生产控制方法和系统
CN115897293A (zh) * 2022-12-13 2023-04-04 河南省科学院化学研究所有限公司 一种抗菌空气过滤材料及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237875A (en) * 1975-09-19 1977-03-24 Chisso Corp Manufacture of unwoven molded sheet
JPS5943171A (ja) * 1982-08-31 1984-03-10 ライオン株式会社 繊維製品処理用物品
JPS62225218A (ja) * 1986-03-25 1987-10-03 Toyobo Co Ltd 濾材の製造法
EP0246811A2 (en) * 1986-05-19 1987-11-25 Btg International Limited Blended-fibre filter material
JPH0221918A (ja) * 1988-07-11 1990-01-24 Chisso Corp フイルターエレメントの製造方法
JPH03288506A (ja) * 1990-04-03 1991-12-18 Chisso Corp 換気扇用フイルター

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0580241A (ja) * 1991-06-21 1993-04-02 Canon Inc レンズ鏡筒
US5284704A (en) * 1992-01-15 1994-02-08 American Felt & Filter Company Non-woven textile articles comprising bicomponent fibers and method of manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237875A (en) * 1975-09-19 1977-03-24 Chisso Corp Manufacture of unwoven molded sheet
JPS5943171A (ja) * 1982-08-31 1984-03-10 ライオン株式会社 繊維製品処理用物品
JPS62225218A (ja) * 1986-03-25 1987-10-03 Toyobo Co Ltd 濾材の製造法
EP0246811A2 (en) * 1986-05-19 1987-11-25 Btg International Limited Blended-fibre filter material
JPH0221918A (ja) * 1988-07-11 1990-01-24 Chisso Corp フイルターエレメントの製造方法
JPH03288506A (ja) * 1990-04-03 1991-12-18 Chisso Corp 換気扇用フイルター

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 7718, Derwent World Patents Index; Class A11, AN 77-31807Y *
DATABASE WPI Section Ch Week 8416, Derwent World Patents Index; Class A04, AN 84-097825 *
DATABASE WPI Section Ch Week 8745, Derwent World Patents Index; Class A12, AN 87-317511 *
DATABASE WPI Section Ch Week 9010, Derwent World Patents Index; Class A11, AN 90-070215 *
DATABASE WPI Section Ch Week 9206, Derwent World Patents Index; Class A04, AN 92-044826 *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 171 (C - 0706) 3 April 1990 (1990-04-03) *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 118 (C - 0922) 25 March 1992 (1992-03-25) *

Also Published As

Publication number Publication date
DE4407344C1 (de) 1995-05-11
JP2716675B2 (ja) 1998-02-18
CN1062190C (zh) 2001-02-21
EP0674933A3 (de) 1995-11-22
PL178820B1 (pl) 2000-06-30
CN1112850A (zh) 1995-12-06
CZ286494B6 (en) 2000-04-12
JPH07256024A (ja) 1995-10-09
EP0674933A2 (de) 1995-10-04
EP0674933B1 (de) 1998-04-29
ES2116512T3 (es) 1998-07-16
CZ334194A3 (en) 1996-02-14
US5470485A (en) 1995-11-28
PL307521A1 (en) 1995-09-18
BR9500387A (pt) 1995-10-24

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