WO2005027153A1 - フェライト焼結磁石 - Google Patents
フェライト焼結磁石 Download PDFInfo
- Publication number
- WO2005027153A1 WO2005027153A1 PCT/JP2004/013339 JP2004013339W WO2005027153A1 WO 2005027153 A1 WO2005027153 A1 WO 2005027153A1 JP 2004013339 W JP2004013339 W JP 2004013339W WO 2005027153 A1 WO2005027153 A1 WO 2005027153A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sintered
- added
- ferrite
- magnet
- powder
- Prior art date
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Classifications
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- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3229—Cerium oxides or oxide-forming salts thereof
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
- C04B2235/3277—Co3O4
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/76—Crystal structural characteristics, e.g. symmetry
- C04B2235/767—Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005513938A JP4367649B2 (ja) | 2003-09-12 | 2004-09-13 | フェライト焼結磁石 |
US10/571,354 US7906036B2 (en) | 2003-09-12 | 2004-09-13 | Ferrite sintered magnet |
EP04773021.3A EP1667176B1 (en) | 2003-09-12 | 2004-09-13 | Ferrite sintered magnet |
BRPI0414278-0A BRPI0414278A (pt) | 2003-09-12 | 2004-09-13 | ìmã de ferrita sinterizada |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-321988 | 2003-09-12 | ||
JP2003321988 | 2003-09-12 | ||
JP2004-058098 | 2004-03-02 | ||
JP2004058098 | 2004-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005027153A1 true WO2005027153A1 (ja) | 2005-03-24 |
Family
ID=34315670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013339 WO2005027153A1 (ja) | 2003-09-12 | 2004-09-13 | フェライト焼結磁石 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7906036B2 (ja) |
EP (1) | EP1667176B1 (ja) |
JP (1) | JP4367649B2 (ja) |
CN (1) | CN102945718B (ja) |
BR (1) | BRPI0414278A (ja) |
WO (1) | WO2005027153A1 (ja) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007060757A1 (ja) | 2005-11-25 | 2007-05-31 | Hitachi Metals, Ltd. | 酸化物磁性材料及びその製造方法、並びにフェライト焼結磁石及びその製造方法 |
WO2007105398A1 (ja) | 2006-03-10 | 2007-09-20 | Hitachi Metals, Ltd. | 回転機、ボンド磁石、マグネットロール、及びフェライト焼結磁石の製造方法 |
JP2008137879A (ja) * | 2005-12-19 | 2008-06-19 | Tdk Corp | フェライト磁性材料 |
WO2008105449A1 (ja) | 2007-03-01 | 2008-09-04 | Tdk Corporation | フェライト焼結磁石 |
EP1968077A1 (en) * | 2005-12-28 | 2008-09-10 | Hitachi Metals, Ltd. | Oxide magnetic material |
WO2008146712A1 (ja) * | 2007-05-25 | 2008-12-04 | Hitachi Metals, Ltd. | フェライト焼結磁石及びその製造方法、並びに仮焼体及びその製造方法 |
JP2009001476A (ja) * | 2007-03-28 | 2009-01-08 | Hitachi Metals Ltd | フェライト焼結磁石及びその製造方法、並びにそれを用いたマグネットロール及び非可逆回路素子 |
JP2009246243A (ja) * | 2008-03-31 | 2009-10-22 | Tdk Corp | フェライト焼結磁石 |
JP2010001171A (ja) * | 2008-06-18 | 2010-01-07 | Hitachi Metals Ltd | 磁気記録媒体用フェライト粒子 |
JP2011171568A (ja) * | 2010-02-19 | 2011-09-01 | Hitachi Metals Ltd | 酸化物磁性材料、フェライト焼結磁石及びフェライト焼結磁石の製造方法 |
WO2011111756A1 (ja) * | 2010-03-10 | 2011-09-15 | 日立金属株式会社 | フェライト焼結磁石及びその製造方法 |
WO2011115129A1 (ja) * | 2010-03-17 | 2011-09-22 | Tdk株式会社 | フェライト磁性材料、フェライト磁石、フェライト焼結磁石 |
JP2012004406A (ja) * | 2010-06-18 | 2012-01-05 | Hitachi Metals Ltd | フェライト焼結磁石及びその製造方法 |
JP2012084869A (ja) * | 2010-09-14 | 2012-04-26 | Hitachi Metals Ltd | 酸化物磁性材料の製造方法 |
JPWO2011004791A1 (ja) * | 2009-07-08 | 2012-12-20 | Tdk株式会社 | フェライト磁性材料 |
WO2014034401A1 (ja) * | 2012-08-31 | 2014-03-06 | 日立金属株式会社 | フェライト仮焼体、フェライト焼結磁石の製造方法及びフェライト焼結磁石 |
JP2019172509A (ja) * | 2018-03-28 | 2019-10-10 | Tdk株式会社 | フェライト焼結磁石 |
JP2020129579A (ja) * | 2019-02-07 | 2020-08-27 | Tdk株式会社 | フェライト焼結磁石 |
CN113470912A (zh) * | 2020-03-30 | 2021-10-01 | Tdk株式会社 | 铁氧体烧结磁铁及旋转电机 |
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JP4215261B2 (ja) * | 2004-10-29 | 2009-01-28 | Tdk株式会社 | フェライト磁性材料及びその製造方法 |
JP4820312B2 (ja) | 2006-03-31 | 2011-11-24 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石 |
US9047164B2 (en) * | 2006-09-12 | 2015-06-02 | Opshub, Inc. | Calculating defect density by file and source module |
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CN105637601B (zh) | 2013-10-02 | 2018-03-16 | 户田工业株式会社 | 粘结磁体用铁氧体颗粒粉末、粘结磁体用树脂组合物以及使用它们的成型体 |
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JP6927404B1 (ja) * | 2020-03-24 | 2021-08-25 | 日立金属株式会社 | フェライト仮焼体、フェライト焼結磁石及びその製造方法 |
CN115385679B (zh) * | 2022-08-30 | 2023-08-11 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | 一种高剩磁比高矫顽力低铁磁共振线宽锶铁氧体材料及其制备方法 |
CN117185796A (zh) * | 2023-09-25 | 2023-12-08 | 浙江凯文磁钢有限公司 | 一种二元配方制造m型永磁铁氧体材料的方法 |
Citations (4)
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JPH11224812A (ja) * | 1997-09-19 | 1999-08-17 | Tdk Corp | 磁石粉末、焼結磁石、それらの製造方法、ボンディッド磁石および磁気記録媒体 |
JP2001076919A (ja) * | 1999-07-07 | 2001-03-23 | Tdk Corp | フェライト磁石およびその製造方法 |
JP2001135512A (ja) * | 1999-11-08 | 2001-05-18 | Sumitomo Special Metals Co Ltd | フェライト磁石粉末および該磁石粉末を用いた磁石およびそれらの製造方法 |
JP2002104872A (ja) * | 2000-07-28 | 2002-04-10 | Tdk Corp | フェライト磁石の製造方法 |
Family Cites Families (3)
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CN1155022C (zh) * | 1997-02-25 | 2004-06-23 | Tdk株式会社 | 氧化物磁性材料、铁氧体颗粒、烧结磁体、粘结磁体、磁记录介质和电机 |
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- 2004-09-13 EP EP04773021.3A patent/EP1667176B1/en active Active
- 2004-09-13 BR BRPI0414278-0A patent/BRPI0414278A/pt not_active Application Discontinuation
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- 2004-09-13 WO PCT/JP2004/013339 patent/WO2005027153A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
BRPI0414278A (pt) | 2006-11-07 |
CN102945718A (zh) | 2013-02-27 |
JP4367649B2 (ja) | 2009-11-18 |
US7906036B2 (en) | 2011-03-15 |
JPWO2005027153A1 (ja) | 2007-11-08 |
EP1667176A4 (en) | 2009-12-16 |
US20060284136A1 (en) | 2006-12-21 |
EP1667176B1 (en) | 2016-03-23 |
EP1667176A1 (en) | 2006-06-07 |
CN102945718B (zh) | 2016-03-30 |
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