BRPI0407336B1 - Processos para produzir uma mistura de ácido carboxílico/diol, e uma mistura de ácido tereftálico/diol - Google Patents

Processos para produzir uma mistura de ácido carboxílico/diol, e uma mistura de ácido tereftálico/diol Download PDF

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Publication number
BRPI0407336B1
BRPI0407336B1 BRPI0407336-3A BRPI0407336A BRPI0407336B1 BR PI0407336 B1 BRPI0407336 B1 BR PI0407336B1 BR PI0407336 A BRPI0407336 A BR PI0407336A BR PI0407336 B1 BRPI0407336 B1 BR PI0407336B1
Authority
BR
Brazil
Prior art keywords
terephthalic acid
diol
water
solvent
solid
Prior art date
Application number
BRPI0407336-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert Lin
Duane Alan Hall
Timothy Alan Upshaw
Kenny Randolph Parker
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 filed Critical
Publication of BRPI0407336A publication Critical patent/BRPI0407336A/pt
Publication of BRPI0407336B1 publication Critical patent/BRPI0407336B1/pt

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/81—Preparation processes using solvents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
BRPI0407336-3A 2003-03-06 2004-03-03 Processos para produzir uma mistura de ácido carboxílico/diol, e uma mistura de ácido tereftálico/diol BRPI0407336B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/383,126 US7193109B2 (en) 2003-03-06 2003-03-06 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US10/383,126 2003-03-06
PCT/US2004/006434 WO2004081080A1 (en) 2003-03-06 2004-03-03 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production

Publications (2)

Publication Number Publication Date
BRPI0407336A BRPI0407336A (pt) 2006-01-10
BRPI0407336B1 true BRPI0407336B1 (pt) 2014-02-04

Family

ID=32927028

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0407336-3A BRPI0407336B1 (pt) 2003-03-06 2004-03-03 Processos para produzir uma mistura de ácido carboxílico/diol, e uma mistura de ácido tereftálico/diol

Country Status (17)

Country Link
US (2) US7193109B2 (https=)
EP (1) EP1599528B1 (https=)
JP (1) JP2006519915A (https=)
KR (1) KR101136780B1 (https=)
CN (1) CN100344671C (https=)
AR (1) AR043385A1 (https=)
AT (1) ATE364055T1 (https=)
BR (1) BRPI0407336B1 (https=)
CA (1) CA2516567A1 (https=)
DE (1) DE602004006844T2 (https=)
ES (1) ES2285439T3 (https=)
MX (1) MXPA05009379A (https=)
MY (1) MY139568A (https=)
PL (1) PL1599528T3 (https=)
RU (1) RU2345979C2 (https=)
TW (1) TWI297016B (https=)
WO (1) WO2004081080A1 (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7276625B2 (en) * 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7193109B2 (en) * 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7214760B2 (en) * 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
DE102004047076A1 (de) * 2004-09-28 2006-04-06 Zimmer Ag Verfahren zur Herstellung von Polyestern
US7847121B2 (en) * 2006-03-01 2010-12-07 Eastman Chemical Company Carboxylic acid production process
US7863483B2 (en) * 2006-03-01 2011-01-04 Eastman Chemical Company Carboxylic acid production process
US8697906B2 (en) * 2006-03-01 2014-04-15 Grupo Petrotemex, S.A. De C.V. Methods and apparatus for producing a low-moisture carboxylic acid wet cake
US20070208199A1 (en) * 2006-03-01 2007-09-06 Kenny Randolph Parker Methods and apparatus for isolating carboxylic acid
US8173835B2 (en) * 2006-03-01 2012-05-08 Grupo Petrotemex, S.A. De C.V. Method and apparatus for drying carboxylic acid
US7462736B2 (en) * 2006-03-01 2008-12-09 Eastman Chemical Company Methods and apparatus for isolating carboxylic acid
JP4970015B2 (ja) * 2006-12-08 2012-07-04 花王株式会社 電子写真用トナー
US8017723B2 (en) * 2008-10-31 2011-09-13 Grupo Petrotemex, S.A. De C.V. Steam heated polyester production process
US8198397B2 (en) * 2008-10-31 2012-06-12 Grupo Petrotemex, S.A. De C.V. Integrated steam heating in polyester production process
CN103182283B (zh) * 2013-03-21 2015-12-23 安徽淮化股份有限公司 乙二醇工业生产中no2预反应装置系统

Family Cites Families (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064044A (en) 1957-08-15 1962-11-13 Standard Oil Co Multistage oxidation system for preparing dicarboxylic acid
US3027990A (en) * 1960-01-12 1962-04-03 Owens Illinois Glass Co Dual lehr loader
NL276649A (https=) 1960-10-12
FR1433325A (fr) 1963-03-29 1966-04-01 Standard Oil Co Perfectionnements à la purification de l'acide téréphtalique
GB1059840A (en) * 1963-12-30 1967-02-22 Teijin Ltd Processes for the preparation of terephthalic acid and the preparation of linear polyesters therefrom
US3584039A (en) 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
US3683018A (en) 1969-05-26 1972-08-08 Standard Oil Co Integrated oxidation of isomeric xylene mixture to isomeric phthalic acid mixture and separation of mixture of isomeric phthalic acids into individual isomer products
US3839436A (en) 1969-05-26 1974-10-01 Standard Oil Co Integration of para-or meta-xylene oxidation to terephthalic acid or isophthalic acid and its purification by hydrogen treatment of aqueous solution
JPS4815848B1 (https=) 1969-06-06 1973-05-17
NL7103374A (https=) 1970-04-01 1971-10-05
SU1042809A1 (ru) 1971-01-21 1983-09-23 Всесоюзный Научно-Исследовательский И Проектный Институт Мономеров Осадительна центрифуга непрерывного действи
JPS4826740A (https=) * 1971-08-06 1973-04-09
JPS4829735A (https=) * 1971-08-19 1973-04-19
JPS5146098B2 (https=) 1971-12-16 1976-12-07
US3931305A (en) 1973-08-20 1976-01-06 Standard Oil Company Terephthalic acid recovery by continuous flash crystallization
US3850983A (en) 1973-10-15 1974-11-26 Standard Oil Co Separation of terephthalic from paratoluic acid from solutions thereof in water and/or acetic acid
JPS523030A (en) 1975-06-25 1977-01-11 Mitsubishi Chem Ind Ltd Process for manufacturing high purity terephthalic acid
GB1498031A (en) 1975-08-06 1978-01-18 Ici Ltd Level controller
JPS52113940A (en) 1976-03-19 1977-09-24 Toshiba Corp Preparation of liquid crystals
CA1067095A (en) 1976-07-06 1979-11-27 Hiroshi Hashizume Process for producing terephthalic acid
JPS5949212B2 (ja) 1976-09-16 1984-12-01 三菱化学株式会社 テレフタル酸の製造法
JPS5353634A (en) 1976-10-25 1978-05-16 Toray Ind Inc Preparation of highly pure
JPS5390233A (en) 1977-01-14 1978-08-08 Toray Ind Inc Purification of terephthalic acid
JPS5390234A (en) 1977-01-17 1978-08-08 Nippon Chemtec Consulting Inc Method of purifying terephthalic acid
US4330676A (en) 1977-07-04 1982-05-18 Imperial Chemical Industries Limited Oxidation process
JPS5931491B2 (ja) * 1977-08-12 1984-08-02 三井化学株式会社 テレフタル酸懸濁液中の母液を置換分離する方法
DE2906945C2 (de) 1978-02-23 1984-01-12 Asahi Kasei Kogyo K.K., Osaka Verfahren zur Gewinnung hochreiner Terephthalsäure
JPS5517309A (en) 1978-07-21 1980-02-06 Mitsubishi Gas Chem Co Inc Preparation of high purity terephthalic acid
JPS5533421A (en) 1978-08-29 1980-03-08 Kuraray Yuka Kk Method of centrifuging slurry containing crystals of terephthalic acid
DE3065198D1 (en) * 1979-11-28 1983-11-10 Ici Plc Slurries of terephthalic acid in ethylene glycol
GB2072162B (en) 1980-03-21 1984-03-21 Labofina Sa Process for the production and the recovery of terephthalic acid
DE3128474A1 (de) 1980-07-21 1982-06-09 Hercofina, Wilmington, N.C. Verfahren zur gegenstromwaesche fein verteilter roher terephthalsaeure
US4380662A (en) 1981-03-16 1983-04-19 Labofina, S.A. Process for the purification of terephthalic acid
US4334086A (en) 1981-03-16 1982-06-08 Labofina S.A. Production of terephthalic acid
JPS5966305A (ja) 1982-10-05 1984-04-14 Tsukishima Kikai Co Ltd 向流式溶融物冷却精製法
DE3328543A1 (de) 1983-08-08 1985-03-21 Klöckner-Humboldt-Deutz AG, 5000 Köln Verwendung einer vollmantel-sieb-schneckenzentrifuge zur trennung feinkristalliner feststoffe von einer fluessigkeit
US4500732A (en) 1983-09-15 1985-02-19 Standard Oil Company (Indiana) Process for removal and recycle of p-toluic acid from terephthalic acid crystallizer solvent
US4892972A (en) 1985-10-07 1990-01-09 Amoco Corporation Purification of crude terephthalic acid
DE3536622A1 (de) 1985-10-15 1987-04-16 Krupp Gmbh Verfahren und vorrichtung zur gewinnung fester stoffe aus fluessigen stoffgemischen
DE3639958A1 (de) 1986-01-10 1987-07-16 Amberger Kaolinwerke Gmbh Mehrstufige anordnung zur gegenstromwaschung, sowie zugehoerige verfahrensmassnahmen
FI74752C (fi) 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
US4782181A (en) 1987-06-04 1988-11-01 Amoco Corporation Process for removal of high molecular weight impurities in the manufacture of purified terephthalic acid
JP2545103B2 (ja) 1987-12-17 1996-10-16 三井石油化学工業株式会社 テレフタル酸スラリ―の分散媒交換方法
US4861919A (en) 1988-02-29 1989-08-29 The Dow Chemical Company Countercurrent multi-stage water crystallization of aromatic compounds
KR900700803A (ko) 1988-03-25 1990-08-17 랄프 챨스 메더스트 회전축용 밀봉체
US4939297A (en) 1989-06-05 1990-07-03 Eastman Kodak Company Extraction process for removal of impurities from terephthalic acid filtrate
JPH0386287A (ja) 1989-08-28 1991-04-11 Idemitsu Petrochem Co Ltd 粉粒状樹脂の洗浄方法およびその洗浄装置
US5080721A (en) 1990-02-28 1992-01-14 Conoco Inc. Process for cleaning particulate solids
US5107874A (en) 1990-02-28 1992-04-28 Conoco Inc. Apparatus for cleaning particulate solids
GB9104776D0 (en) 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
US5095146A (en) 1991-03-25 1992-03-10 Amoco Corporation Water addition to crystallization train to purify terephthalic acid product
US5200557A (en) 1991-04-12 1993-04-06 Amoco Corporation Process for preparation of crude terephthalic acid suitable for reduction to prepare purified terephthalic acid
US5175355A (en) 1991-04-12 1992-12-29 Amoco Corporation Improved process for recovery of purified terephthalic acid
GB9310070D0 (en) 1992-05-29 1993-06-30 Ici Plc Process for the production of purified terephthalic acid
GB9302333D0 (en) 1993-02-05 1993-03-24 Ici Plc Filtration process
JPH06327915A (ja) 1993-05-24 1994-11-29 Mitsui Petrochem Ind Ltd スラリーから結晶を回収する方法及び装置
US5454959A (en) 1993-10-29 1995-10-03 Stevens; Jay S. Moving bed filters
JP3939367B2 (ja) 1993-11-30 2007-07-04 三菱瓦斯化学株式会社 高純度テレフタル酸を製造する方法
JP4055913B2 (ja) 1994-04-26 2008-03-05 三菱瓦斯化学株式会社 高純度テレフタル酸を製造する方法
US5653673A (en) 1994-06-27 1997-08-05 Amoco Corporation Wash conduit configuration in a centrifuge apparatus and uses thereof
US5635074A (en) 1995-02-23 1997-06-03 Motorola, Inc. Methods and systems for controlling a continuous medium filtration system
US5567842A (en) 1994-11-16 1996-10-22 Mitsubishi Chemical Corporation Process for producing terephthalic acid
US5712412A (en) 1994-12-26 1998-01-27 Mitsubishi Gas Chemical Co., Inc. Process for producing highly pure terephthalic acid
US5476919A (en) 1995-02-21 1995-12-19 Minnesota Mining And Manufacturing Company Process for esterification
JP3979505B2 (ja) 1995-05-17 2007-09-19 三菱瓦斯化学株式会社 高純度テレフタル酸の製造方法
US6013835A (en) 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5840968A (en) 1995-06-07 1998-11-24 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
JP3628708B2 (ja) 1995-11-10 2005-03-16 三井化学株式会社 ポリエチレンナフタレートの製造方法
US5616792A (en) 1996-02-01 1997-04-01 Amoco Corporation Catalytic purification of dicarboxylic aromatic acid
JPH09255619A (ja) 1996-03-28 1997-09-30 Mitsubishi Chem Corp テレフタル酸の製造法
JP3731681B2 (ja) 1996-04-18 2006-01-05 三菱瓦斯化学株式会社 高純度テレフタル酸の製造方法
JP3788634B2 (ja) 1996-04-18 2006-06-21 三菱瓦斯化学株式会社 高純度テレフタル酸の製造法
US5840965A (en) 1996-06-24 1998-11-24 E. I. Du Pont De Nemours And Company Process for the production of purified telephthalic acid
JPH1036313A (ja) 1996-07-22 1998-02-10 Tsukishima Kikai Co Ltd 高純度芳香族ジカルボン酸の製造方法およびその装置
JPH1045667A (ja) 1996-07-29 1998-02-17 Mitsubishi Gas Chem Co Inc 分散媒置換装置を用いた高純度テレフタル酸の製造方法
US5955394A (en) 1996-08-16 1999-09-21 Mobile Process Technology, Co. Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids
US5925786A (en) 1996-10-30 1999-07-20 Mitsui Chemicals, Inc. Process for producing aromatic dicarboxylic acid
KR100264749B1 (ko) 1997-02-17 2000-09-01 나까니시 히로유끼 고순도 테레프탈산의 제조 방법
AU6109198A (en) 1997-02-27 1998-09-18 Imperial Chemical Industries Plc Production of terephthalic acid
GB9717251D0 (en) 1997-08-15 1997-10-22 Ici Plc Process and apparatus
JP4259651B2 (ja) * 1997-09-29 2009-04-30 三菱化学株式会社 テレフタル酸の製造方法
JPH11100350A (ja) * 1997-09-29 1999-04-13 Mitsubishi Chemical Corp テレフタル酸の製造法
DE19811280C2 (de) * 1998-03-12 2002-06-27 Inventa Fischer Gmbh Verfahren und Vorrichtung zur Rückgewinnung von linearem Polyester
US6228215B1 (en) 1998-04-06 2001-05-08 Hoffman Enviornmental Systems, Inc. Method for countercurrent treatment of slurries
US5971907A (en) 1998-05-19 1999-10-26 Bp Amoco Corporation Continuous centrifugal separator with tapered internal feed distributor
NL1010393C2 (nl) 1998-10-26 2000-04-27 Tno Werkwijze en inrichting voor het aan vast deeltjesmateriaal door extractie onttrekken van een component.
US6153790A (en) 1998-12-01 2000-11-28 Shell Oil Company Method to produce aromatic dicarboxylic acids using cobalt and zirconium catalysts
AU763854B2 (en) 1999-06-16 2003-07-31 Amut S.P.A. Plant for washing plastic material
US6297348B1 (en) 1999-08-30 2001-10-02 Shell Oil Company Closely linking a NDA process with a pen process
MXPA02003928A (es) * 1999-10-22 2002-10-23 Teijin Ltd Metodo para la separacion y recuperacion de tereftalato de dimetilo y etilenglicol a partir de residuo de poliester.
CA2398041A1 (en) 2000-01-25 2001-08-02 Inca International S.P.A. Process for the recovery of crude terephthalic acid (cta)
US6517733B1 (en) 2000-07-11 2003-02-11 Vermeer Manufacturing Company Continuous flow liquids/solids slurry cleaning, recycling and mixing system
CN1114588C (zh) 2000-12-13 2003-07-16 中国石化集团扬子石油化工有限责任公司 一种减少对苯二甲酸生产中立式离心机振动和故障的方法
WO2003020680A1 (en) 2001-08-29 2003-03-13 Mitsubishi Chemical Corporation Method for producing aromatic dicarboxylic acid
JP2003062405A (ja) 2001-08-29 2003-03-04 Mitsubishi Chemicals Corp 固液分離方法
JP2003062487A (ja) 2001-08-29 2003-03-04 Mitsubishi Chemicals Corp 固液分離方法
JP3958948B2 (ja) 2001-10-16 2007-08-15 帝人ファイバー株式会社 ポリエステル原料の製造方法
DE60232602D1 (de) 2001-12-03 2009-07-23 Kureha Corp Verfahren zur kontinuierlichen reinigung von polyarylensulfid
US7276625B2 (en) 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
JP4262995B2 (ja) * 2003-02-06 2009-05-13 帝人ファイバー株式会社 ポリエステル原料に適したテレフタル酸ケークの製造方法
US7193109B2 (en) 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7282151B2 (en) 2003-06-05 2007-10-16 Eastman Chemical Company Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
US7214760B2 (en) 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production

Also Published As

Publication number Publication date
DE602004006844D1 (de) 2007-07-19
MXPA05009379A (es) 2005-11-04
CA2516567A1 (en) 2004-09-23
WO2004081080A1 (en) 2004-09-23
WO2004081080A8 (en) 2005-02-10
BRPI0407336A (pt) 2006-01-10
KR101136780B1 (ko) 2012-04-19
US20040176635A1 (en) 2004-09-09
MY139568A (en) 2009-10-30
KR20050107493A (ko) 2005-11-11
EP1599528B1 (en) 2007-06-06
US20050228164A1 (en) 2005-10-13
US7193109B2 (en) 2007-03-20
JP2006519915A (ja) 2006-08-31
ATE364055T1 (de) 2007-06-15
CN100344671C (zh) 2007-10-24
RU2345979C2 (ru) 2009-02-10
US7226986B2 (en) 2007-06-05
EP1599528A1 (en) 2005-11-30
AR043385A1 (es) 2005-07-27
PL1599528T3 (pl) 2007-08-31
TW200427725A (en) 2004-12-16
RU2005130983A (ru) 2006-04-10
DE602004006844T2 (de) 2008-02-07
ES2285439T3 (es) 2007-11-16
CN1756786A (zh) 2006-04-05
TWI297016B (en) 2008-05-21

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
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