ES2661006T3 - Método para preparar partículas de polímero huecas - Google Patents
Método para preparar partículas de polímero huecas Download PDFInfo
- Publication number
- ES2661006T3 ES2661006T3 ES02703979.1T ES02703979T ES2661006T3 ES 2661006 T3 ES2661006 T3 ES 2661006T3 ES 02703979 T ES02703979 T ES 02703979T ES 2661006 T3 ES2661006 T3 ES 2661006T3
- Authority
- ES
- Spain
- Prior art keywords
- weight
- less
- polymerization
- monomer
- organic solvent
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/065—Burnable, meltable, sublimable materials characterised by physical aspects, e.g. shape, size or porosity
- C04B38/0655—Porous materials
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
-
- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/128—Polymer particles coated by inorganic and non-macromolecular organic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
- C08J9/20—Making expandable particles by suspension polymerisation in the presence of the blowing agent
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249958—Void-containing component is synthetic resin or natural rubbers
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- 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
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
-
- 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
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Filtering Materials (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
Un metodo para fabricar una particula de polimero hueca que tiene un diametro promedio de 15 μm o mas y 500 μm o menos y una resistencia a la compresion con un 10 % de deformacion de 1,5 MPa o mas, comprendiendo el metodo: (a) suspender una solucion de monomero para polimerizacion en un disolvente polar que contiene un estabilizante de dispersion inorganico coloidal, siendo la solucion de monomero una mezcla de al menos 100 partes en peso de un componente de monomero para polimerizacion y 1 parte en peso o mas y 400 partes en peso o menos de un disolvente organico que no tiene propiedades de polimerizacion, teniendo dicho disolvente organico una solubilidad en agua del 0,2 % en peso o menos, de modo que presenta hidrofobicidad, comprendiendo dicho componente de monomero un 10 % en peso o mas y un 99,9 % en peso o menos de monomero hidrofilo, un 0,1 % en peso o mas y un 30 % o menos de un monomero multifuncional y un 0 % en peso o mas y un 89,9 % en peso o menos de otros monomeros, en donde se anade una sal inorganica y un inhibidor de polimerizacion hidrosoluble al disolvente polar, seleccionandose la sal inorganica entre cloruro sodico, cloruro de calcio y carbonato de sodio; (b) polimerizar el componente de monomero para la polimerizacion para preparar una particula de polimero que incluya una pluralidad de porciones huecas, en las que esta contenido el disolvente organico que no tiene propiedades de polimerizacion en el interior de las porciones huecas; y (c) separacion del disolvente organico que no tiene propiedades de polimerizacion de las particulas de polimero resultantes de la etapa (b).
Description
Tabla 1
12
13
Claims (1)
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imagen1
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001072354 | 2001-03-14 | ||
JP2001072354 | 2001-03-14 | ||
PCT/JP2002/002320 WO2002072671A1 (en) | 2001-03-14 | 2002-03-12 | Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2661006T3 true ES2661006T3 (es) | 2018-03-27 |
Family
ID=18929947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES02703979.1T Expired - Lifetime ES2661006T3 (es) | 2001-03-14 | 2002-03-12 | Método para preparar partículas de polímero huecas |
Country Status (8)
Country | Link |
---|---|
US (1) | US7319114B2 (es) |
EP (1) | EP1375525B1 (es) |
JP (1) | JP3923432B2 (es) |
KR (1) | KR20030089702A (es) |
CN (1) | CN1284802C (es) |
AU (1) | AU2002237576A1 (es) |
CA (1) | CA2440870A1 (es) |
ES (1) | ES2661006T3 (es) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4991057B2 (ja) * | 2001-07-05 | 2012-08-01 | 積水化学工業株式会社 | 多孔質セラミックフィルタの製造方法 |
US7387829B2 (en) | 2004-01-13 | 2008-06-17 | Ibiden Co., Ltd. | Honeycomb structure, porous body, pore forming material for the porous body, and methods for manufacturing the pore forming material, the porous body and the honeycomb structure |
WO2005068398A1 (ja) * | 2004-01-13 | 2005-07-28 | Ngk Insulators, Ltd. | セラミック構造体の製造方法 |
JP2006249389A (ja) * | 2005-03-14 | 2006-09-21 | Fuji Xerox Co Ltd | 水酸基含有ポリマーの製造方法 |
EP1862482B1 (en) * | 2005-03-23 | 2017-12-06 | Sekisui Chemical Co., Ltd. | Thermally disappearing resin particle |
US20070098963A1 (en) * | 2005-10-27 | 2007-05-03 | Xiaoqi Zhou | Toner receiving compositions for electrophotographic toner receiving systems |
US7858554B2 (en) * | 2007-05-24 | 2010-12-28 | Geo2 Technologies, Inc. | Cordierite fiber substrate and method for forming the same |
US8038759B2 (en) * | 2005-11-16 | 2011-10-18 | Geoz Technologies, Inc. | Fibrous cordierite materials |
US20090166910A1 (en) * | 2005-11-16 | 2009-07-02 | Geo2 Technologies, Inc. | System and Method for Twin Screw Extrusion of a Fibrous Porous Substrate |
US20070107395A1 (en) * | 2005-11-16 | 2007-05-17 | Bilal Zuberi | Extruded porous substrate and products using the same |
US8039050B2 (en) * | 2005-12-21 | 2011-10-18 | Geo2 Technologies, Inc. | Method and apparatus for strengthening a porous substrate |
US20100104647A1 (en) * | 2007-02-09 | 2010-04-29 | Newsouth Innovations Pty Limited | Hollow microparticles |
KR100842058B1 (ko) * | 2007-03-29 | 2008-06-30 | 한국기계연구원 | 다공질 세라믹스 제조방법 |
CN101295043A (zh) * | 2007-04-25 | 2008-10-29 | 北京京东方光电科技有限公司 | 一种散光板结构及其制造方法 |
WO2010070987A1 (ja) * | 2008-12-18 | 2010-06-24 | 株式会社クレハ | 中空マイクロスフェアの製造方法及び多孔質セラミックス成形体の製造方法 |
US9074504B2 (en) | 2009-09-04 | 2015-07-07 | Hitachi Metals, Ltd. | Ceramic honeycomb structure and its production method |
CN102958987A (zh) | 2010-06-24 | 2013-03-06 | 3M创新有限公司 | 不含有机乳化剂的可聚合组合物以及其聚合物和制造方法 |
JP5727962B2 (ja) * | 2012-04-16 | 2015-06-03 | 三光株式会社 | 非膨張型中空ポリマー微粒子の製造方法 |
DE102016211948A1 (de) * | 2016-06-30 | 2018-01-04 | HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung | Kern-Hülle-Partikel zur Verwendung als Füllstoff für Speisermassen |
KR102372520B1 (ko) * | 2016-08-02 | 2022-03-08 | 마쓰모토유시세이야쿠 가부시키가이샤 | 수지 중공 입자 및 그 용도 |
CA3039897C (en) * | 2016-10-11 | 2023-04-18 | Arkema Inc. | Hollow polymer particles for thermal insulation |
CN110997736B (zh) * | 2017-08-01 | 2023-04-11 | 日本瑞翁株式会社 | 胶乳的制造方法 |
WO2019181987A1 (ja) * | 2018-03-23 | 2019-09-26 | 富士フイルム株式会社 | 中空粒子及びその製造方法、並びに、造孔材、化粧料用粒子及び軽量化材 |
Family Cites Families (33)
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US2996389A (en) * | 1958-03-15 | 1961-08-15 | Fernhof Sven | Method of manufacturing porous ceramic products |
US3615972A (en) * | 1967-04-28 | 1971-10-26 | Dow Chemical Co | Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same |
JPS5632513A (en) | 1979-06-26 | 1981-04-02 | Rohm & Haas | Manufacture of aqueous dispersion of nonnwatersoluble core*sheath pigment like polymer granular body |
JPS59174561A (ja) * | 1983-03-18 | 1984-10-03 | 三井造船株式会社 | 多孔質セラミツクスの製造方法 |
JPS60197746A (ja) * | 1984-03-21 | 1985-10-07 | Daicel Chem Ind Ltd | 多孔質球状粒子及びその製法 |
JPS60155245A (ja) * | 1984-01-24 | 1985-08-15 | Daicel Chem Ind Ltd | 酢酸セルロ−ス多孔質球状粒子及びその製造方法 |
DE160267T1 (de) * | 1984-04-24 | 1986-05-22 | Kanto Kagaku | Poroese keramische cordientkoerper, ihre herstellung und ihre verwendung. |
JPS6187734A (ja) * | 1984-10-03 | 1986-05-06 | Japan Synthetic Rubber Co Ltd | 中空ポリマ−粒子の製造方法 |
JPH05125127A (ja) | 1985-11-28 | 1993-05-21 | Japan Synthetic Rubber Co Ltd | 単一の内孔を有するポリマー粒子 |
US4777153A (en) * | 1986-05-06 | 1988-10-11 | Washington Research Foundation | Process for the production of porous ceramics using decomposable polymeric microspheres and the resultant product |
US4946953A (en) * | 1986-10-16 | 1990-08-07 | Kanebo, Ltd. | Fine cellulose particles and process for production thereof employing coagulated viscose |
JP2728910B2 (ja) | 1988-12-27 | 1998-03-18 | 三井東圧化学株式会社 | 小孔を有する合成樹脂粒子の製造法 |
JP2733087B2 (ja) | 1989-03-29 | 1998-03-30 | 花王株式会社 | 中空ポリマー微粒子及びその製造方法並びにその用途 |
JPH02290211A (ja) * | 1989-04-28 | 1990-11-30 | Kanebo Ltd | セラミックフィルター及びその製造方法 |
JPH0540770A (ja) | 1991-08-02 | 1993-02-19 | Canon Inc | 情報処理装置 |
JP2728838B2 (ja) * | 1993-02-04 | 1998-03-18 | 鐘紡株式会社 | 多孔質焼結体の製造方法 |
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JP3574673B2 (ja) | 1993-12-10 | 2004-10-06 | 松本油脂製薬株式会社 | 中空非球状樹脂粒子および化粧料 |
JPH07216127A (ja) * | 1994-02-02 | 1995-08-15 | Asahi Glass Co Ltd | ポリテトラフルオロエチレン微小中空体およびその製造方法 |
JP3561748B2 (ja) | 1994-10-14 | 2004-09-02 | 綜研化学株式会社 | 異方導電性接着剤 |
US5578217A (en) * | 1994-11-30 | 1996-11-26 | Alliedsignal Inc. | Use a solvent impregnated crosslinked matrix for metal recovery |
JPH08215522A (ja) | 1994-12-15 | 1996-08-27 | Matsushita Electric Ind Co Ltd | 排ガスフィルター及びその製造方法 |
WO1996030412A1 (fr) * | 1995-03-31 | 1996-10-03 | Daicel Chemical Industries, Ltd. | Acetate de cellulose hautement resistant et procede de preparation associe |
US5712358A (en) * | 1995-06-07 | 1998-01-27 | Amcol International Corporation | Process for producing an oil sorbent copolymer and the product thereof |
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JP2894990B2 (ja) | 1996-06-14 | 1999-05-24 | 松本油脂製薬株式会社 | 耐熱性と耐溶剤性に優れた熱膨張性マイクロカプセル |
JP2000288325A (ja) | 1999-02-01 | 2000-10-17 | Ngk Insulators Ltd | セラミック多孔質膜を分離膜とするフィルタの製造方法 |
JP2000248005A (ja) * | 1999-02-26 | 2000-09-12 | Hitachi Chem Co Ltd | 架橋重合体粒子及びその製造方法 |
JP3334890B2 (ja) * | 1999-05-21 | 2002-10-15 | アメリカ合衆国 | 微小中空球状ポリイミド |
JP2001123834A (ja) * | 1999-10-28 | 2001-05-08 | Kobe Steel Ltd | 建設機械の排気構造 |
JP2001213727A (ja) * | 2000-01-27 | 2001-08-07 | Matsumoto Yushi Seiyaku Co Ltd | 球状樹脂粒子及び化粧料 |
JP2003183087A (ja) * | 2001-12-18 | 2003-07-03 | Sekisui Chem Co Ltd | 中空ポリマー粒子を用いた多孔質セラミックフィルタ |
JP3935415B2 (ja) * | 2002-09-30 | 2007-06-20 | 積水化学工業株式会社 | 造孔剤、造孔剤の製造方法、多孔質セラミックフィルタおよび多孔質セラミックフィルタの製造方法 |
-
2002
- 2002-03-12 CN CNB028057392A patent/CN1284802C/zh not_active Expired - Lifetime
- 2002-03-12 AU AU2002237576A patent/AU2002237576A1/en not_active Abandoned
- 2002-03-12 KR KR10-2003-7011857A patent/KR20030089702A/ko active Search and Examination
- 2002-03-12 JP JP2002571571A patent/JP3923432B2/ja not_active Expired - Lifetime
- 2002-03-12 EP EP02703979.1A patent/EP1375525B1/en not_active Expired - Lifetime
- 2002-03-12 ES ES02703979.1T patent/ES2661006T3/es not_active Expired - Lifetime
- 2002-03-12 US US10/471,502 patent/US7319114B2/en not_active Expired - Lifetime
- 2002-03-12 CA CA 2440870 patent/CA2440870A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1525982A (zh) | 2004-09-01 |
US7319114B2 (en) | 2008-01-15 |
JPWO2002072671A1 (ja) | 2004-07-02 |
CN1284802C (zh) | 2006-11-15 |
WO2002072671A2 (fr) | 2002-09-19 |
EP1375525A4 (en) | 2009-11-04 |
AU2002237576A1 (en) | 2002-09-24 |
JP3923432B2 (ja) | 2007-05-30 |
US20040091709A1 (en) | 2004-05-13 |
KR20030089702A (ko) | 2003-11-22 |
WO2002072671A3 (fr) | 2002-12-19 |
CA2440870A1 (en) | 2002-09-19 |
EP1375525A2 (en) | 2004-01-02 |
EP1375525B1 (en) | 2017-12-20 |
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