FR2897059B1 - Procede de preparation d'acide acrylique - Google Patents

Procede de preparation d'acide acrylique

Info

Publication number
FR2897059B1
FR2897059B1 FR0601061A FR0601061A FR2897059B1 FR 2897059 B1 FR2897059 B1 FR 2897059B1 FR 0601061 A FR0601061 A FR 0601061A FR 0601061 A FR0601061 A FR 0601061A FR 2897059 B1 FR2897059 B1 FR 2897059B1
Authority
FR
France
Prior art keywords
acrylic acid
propylene
acrolein
oxidation
preparation
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 - Fee Related
Application number
FR0601061A
Other languages
English (en)
French (fr)
Other versions
FR2897059A1 (fr
Inventor
Jean Luc Dubois
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.)
Arkema SA
Original Assignee
Arkema SA
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
Priority to FR0601061A priority Critical patent/FR2897059B1/fr
Application filed by Arkema SA filed Critical Arkema SA
Priority to BRPI0707533-2A priority patent/BRPI0707533A2/pt
Priority to DE602007001072T priority patent/DE602007001072D1/de
Priority to CN2007800045903A priority patent/CN101400639B/zh
Priority to US12/278,016 priority patent/US7880034B2/en
Priority to RU2008135966/04A priority patent/RU2397156C2/ru
Priority to MYPI20083003A priority patent/MY139630A/en
Priority to JP2008551845A priority patent/JP5097128B2/ja
Priority to AT07731584T priority patent/ATE430724T1/de
Priority to EP07731584A priority patent/EP1981835B1/fr
Priority to PT07731584T priority patent/PT1981835E/pt
Priority to KR1020087019397A priority patent/KR101004593B1/ko
Priority to ES07731584T priority patent/ES2325695T3/es
Priority to PCT/FR2007/050758 priority patent/WO2007090991A2/fr
Priority to PL07731584T priority patent/PL1981835T3/pl
Publication of FR2897059A1 publication Critical patent/FR2897059A1/fr
Application granted granted Critical
Publication of FR2897059B1 publication Critical patent/FR2897059B1/fr
Priority to ZA200806644A priority patent/ZA200806644B/xx
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/52Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition by dehydration and rearrangement involving two hydroxy groups in the same molecule
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0446Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical
    • B01J8/0449Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds
    • B01J8/0453Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds the beds being superimposed one above the other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0446Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical
    • B01J8/0449Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds
    • B01J8/0457Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds the beds being placed in separate reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0492Feeding reactive fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0496Heating or cooling the reactor
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00203Coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796Details of the reactor or of the particulate material
    • B01J2208/00805Details of the particulate material
    • B01J2208/00814Details of the particulate material the particulate material being provides in prefilled containers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR0601061A 2006-02-07 2006-02-07 Procede de preparation d'acide acrylique Expired - Fee Related FR2897059B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR0601061A FR2897059B1 (fr) 2006-02-07 2006-02-07 Procede de preparation d'acide acrylique
PT07731584T PT1981835E (pt) 2006-02-07 2007-02-06 Processo de preparação de ácido acrílico
CN2007800045903A CN101400639B (zh) 2006-02-07 2007-02-06 丙烯酸的制备方法
US12/278,016 US7880034B2 (en) 2006-02-07 2007-02-06 Acrylic acid preparation method
RU2008135966/04A RU2397156C2 (ru) 2006-02-07 2007-02-06 Способ получения акриловой кислоты
MYPI20083003A MY139630A (en) 2006-02-07 2007-02-06 Acrylic acid preparation method
JP2008551845A JP5097128B2 (ja) 2006-02-07 2007-02-06 アクリル酸の製法方法
AT07731584T ATE430724T1 (de) 2006-02-07 2007-02-06 Herstellungsverfahren für acrylsäure
BRPI0707533-2A BRPI0707533A2 (pt) 2006-02-07 2007-02-06 processo de preparação de ácido acrìlico
DE602007001072T DE602007001072D1 (de) 2006-02-07 2007-02-06 Herstellungsverfahren für acrylsäure
KR1020087019397A KR101004593B1 (ko) 2006-02-07 2007-02-06 아크릴산 제조 방법
ES07731584T ES2325695T3 (es) 2006-02-07 2007-02-06 Procedimiento de preparacion de acido acrilico.
PCT/FR2007/050758 WO2007090991A2 (fr) 2006-02-07 2007-02-06 Procede de preparation d'acide acrylique
PL07731584T PL1981835T3 (pl) 2006-02-07 2007-02-06 Sposób wytwarzania kwasu akrylowego
EP07731584A EP1981835B1 (fr) 2006-02-07 2007-02-06 Procede de preparation d'acide acrylique
ZA200806644A ZA200806644B (en) 2006-02-07 2008-07-30 Acrylic acid preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0601061A FR2897059B1 (fr) 2006-02-07 2006-02-07 Procede de preparation d'acide acrylique

Publications (2)

Publication Number Publication Date
FR2897059A1 FR2897059A1 (fr) 2007-08-10
FR2897059B1 true FR2897059B1 (fr) 2008-04-18

Family

ID=37075914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0601061A Expired - Fee Related FR2897059B1 (fr) 2006-02-07 2006-02-07 Procede de preparation d'acide acrylique

Country Status (16)

Country Link
US (1) US7880034B2 (enExample)
EP (1) EP1981835B1 (enExample)
JP (1) JP5097128B2 (enExample)
KR (1) KR101004593B1 (enExample)
CN (1) CN101400639B (enExample)
AT (1) ATE430724T1 (enExample)
BR (1) BRPI0707533A2 (enExample)
DE (1) DE602007001072D1 (enExample)
ES (1) ES2325695T3 (enExample)
FR (1) FR2897059B1 (enExample)
MY (1) MY139630A (enExample)
PL (1) PL1981835T3 (enExample)
PT (1) PT1981835E (enExample)
RU (1) RU2397156C2 (enExample)
WO (1) WO2007090991A2 (enExample)
ZA (1) ZA200806644B (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920767B1 (fr) * 2007-09-06 2009-12-18 Arkema France Procede de vaporisation reactive de glycerol
FR2934261B1 (fr) * 2008-07-25 2015-04-10 Arkema France Procede de synthese d'esters de l'acide acrylique
WO2010012586A1 (de) 2008-07-28 2010-02-04 Basf Se Verfahren zur auftrennung von in einem produktgasgemisch einer partiellen heterogen katalysierten gasphasenoxidation einer c3-vorläuferverbindung der acrylsäure als hauptbestandteil enthaltener acrylsäure und als nebenprodukt enthaltenem glyoxal
DE102008040799A1 (de) 2008-07-28 2008-12-11 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enthaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
DE102008041573A1 (de) 2008-08-26 2010-03-04 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enhaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
JP5305827B2 (ja) * 2008-10-17 2013-10-02 株式会社日本触媒 アクロレイン及びアクリル酸の製造方法
FR2943351B1 (fr) * 2009-03-18 2011-04-29 Arkema France Agent de mise en oeuvre acrylique
US8105971B2 (en) * 2009-04-02 2012-01-31 Lummus Technology Inc. Process for making catalysts useful for the conversion of paraffins to olefins
WO2011000808A2 (de) 2009-07-01 2011-01-06 Basf Se Verfahren der abtrennung von acrylsäure aus dem produktgasgemisch einer heterogen katalysierten partiellen gasphasenoxidation wenigstens einer c3-vorläuferverbindung
DE102010001228A1 (de) 2010-01-26 2011-02-17 Basf Se Verfahren der Abtrennung von Acrylsäure aus dem Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C3-Vorläuferverbindung
DE102009027401A1 (de) 2009-07-01 2010-02-18 Basf Se Verfahren der Abtrennung von Acrylsäure aus dem Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C3-Vorläuferverbindung
FR2948365B1 (fr) * 2009-07-22 2011-09-09 Arkema France Procede de fabrication d'acide acrylique bio-ressource a partir de glycerol
SG179188A1 (en) 2009-09-18 2012-04-27 Nippon Kayaku Kk Catalyst and process for preparing acrolein and/or acrylic acid by dehydration reaction of glycerin
FR2958185B1 (fr) * 2010-03-30 2012-04-20 Arkema France Procede d'oxydation selective de monoxyde de carbone
WO2012010923A1 (en) 2010-07-19 2012-01-26 Arkema France Process for manufacturing acrolein from glycerol
DE102010040921A1 (de) * 2010-09-16 2012-03-22 Basf Se Verfahren zur Herstellung von Acrylsäure aus Methanol und Essigsäure
DE102010040923A1 (de) * 2010-09-16 2012-03-22 Basf Se Verfahren zur Herstellung von Acrylsäure aus Ethanol und Formaldehyd
DE102010042216A1 (de) 2010-10-08 2011-06-09 Basf Se Verfahren zur Hemmung der unerwünschten radikalischen Polymerisation von in einer flüssigen Phase P befindlicher Acrylsäure
DE102011076931A1 (de) 2011-06-03 2012-12-06 Basf Se Wässrige Lösung, enthaltend Acrylsäure und deren konjugierte Base
WO2013008279A1 (en) 2011-07-14 2013-01-17 Nippon Kayaku Kabushiki Kaisha Process for preparing catalyst used in production of acrolein and/or acrylic acid and process for preparing acrolein and/or acrylic acid by dehydration reaction of glycerin
WO2013017904A1 (en) 2011-07-29 2013-02-07 Arkema France Improved process of dehydration reactions
FR2989684B1 (fr) * 2012-04-18 2014-10-31 Arkema France Procede de fabrication d'acroleine et/ou d'acide acrylique a partir de glycerol
US9440903B2 (en) * 2012-09-24 2016-09-13 Arkema Inc. Shell and tube oxidation reactor with improved resistance to fouling
EP3004041B1 (de) * 2013-06-03 2020-05-06 Evonik Operations GmbH Verfahren zur herstellung von acrolein
WO2017025391A1 (en) 2015-08-07 2017-02-16 Basf Se Process for production of acrylic acid
KR102044428B1 (ko) 2015-12-23 2019-12-02 주식회사 엘지화학 글리세린으로부터 아크릴산의 제조방법
WO2020020697A1 (de) 2018-07-26 2020-01-30 Basf Se Verfahren zur hemmung der unerwünschten radikalischen polymerisation von in einer flüssigen phase p befindlicher acrylsäure
JP7651589B2 (ja) 2020-03-26 2025-03-26 ベーアーエスエフ・エスエー 液相pに存在するアクリル酸の望ましくないフリーラジカル重合を抑制する方法

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FR695931A (fr) 1929-06-15 1930-12-23 Schering Kahlbaum Ag Procédé de fabrication d'acroléine
US2558520A (en) * 1948-01-29 1951-06-26 Us Ind Chemicals Inc Production of acrolein from glycerol
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JPS55102536A (en) * 1979-01-30 1980-08-05 Mitsubishi Petrochem Co Ltd Preparation of acrylic acid
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CA1299193C (en) * 1986-07-17 1992-04-21 Gordon Gene Harkreader Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
CA1305178C (en) * 1986-08-21 1992-07-14 Gordon Gene Harkreader Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
JPH0813777B2 (ja) * 1986-12-11 1996-02-14 三菱化学株式会社 アクリル酸の製造法
US5218146A (en) * 1987-05-27 1993-06-08 Nippon Shokubai Kagaku Kogyo Co., Ltd. Process for production of acrylic acid
JPH0686399B2 (ja) * 1987-05-27 1994-11-02 株式会社日本触媒 アクリル酸の製造方法
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DE4238493C1 (de) * 1992-11-14 1994-04-21 Degussa Verfahren zur Herstellung von Acrolein und dessen Verwendung
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DE19848208A1 (de) 1998-10-20 2000-04-27 Deg Engineering Gmbh Reaktor für die katalytische Umsetzung von Reaktionsmedien, insbesondere von gasförmigen Reaktionsmedien
DE10019381B4 (de) 2000-04-19 2006-05-18 Daun, Klaus-Dieter, Dipl.-Ing. Reaktor für die katalytische Umsetzung von Reaktionsmedien, insbesondere von gasförmigen Reaktionsmedien
DE60133473T2 (de) * 2001-12-14 2009-05-20 Evonik Stockhausen Gmbh Verfahren zur Herstellung von Acrylsäure
US7294734B2 (en) * 2003-05-02 2007-11-13 Velocys, Inc. Process for converting a hydrocarbon to an oxygenate or a nitrile
JP5006507B2 (ja) * 2004-01-30 2012-08-22 株式会社日本触媒 アクリル酸の製造方法

Also Published As

Publication number Publication date
FR2897059A1 (fr) 2007-08-10
ZA200806644B (en) 2009-05-27
EP1981835B1 (fr) 2009-05-06
JP5097128B2 (ja) 2012-12-12
JP2009524630A (ja) 2009-07-02
PT1981835E (pt) 2009-07-06
KR20080092429A (ko) 2008-10-15
ES2325695T3 (es) 2009-09-14
PL1981835T3 (pl) 2009-11-30
RU2008135966A (ru) 2010-03-20
US20090018362A1 (en) 2009-01-15
RU2397156C2 (ru) 2010-08-20
US7880034B2 (en) 2011-02-01
WO2007090991A2 (fr) 2007-08-16
DE602007001072D1 (de) 2009-06-18
CN101400639B (zh) 2012-05-30
KR101004593B1 (ko) 2010-12-28
WO2007090991A3 (fr) 2007-12-06
CN101400639A (zh) 2009-04-01
EP1981835A2 (fr) 2008-10-22
BRPI0707533A2 (pt) 2011-05-03
ATE430724T1 (de) 2009-05-15
MY139630A (en) 2009-10-30

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