WO2005073160A1 - アクリル酸の製造方法 - Google Patents
アクリル酸の製造方法 Download PDFInfo
- Publication number
- WO2005073160A1 WO2005073160A1 PCT/JP2005/001627 JP2005001627W WO2005073160A1 WO 2005073160 A1 WO2005073160 A1 WO 2005073160A1 JP 2005001627 W JP2005001627 W JP 2005001627W WO 2005073160 A1 WO2005073160 A1 WO 2005073160A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reaction
- gas
- acrylic acid
- catalyst
- glycerin
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/52—Preparation 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
Definitions
- the present invention relates to a novel method for producing acrylic acid, which can obtain acrylic acid using a raw material that does not depend on petroleum.
- an object of the present invention is to provide a novel method for producing acrylic acid, which can obtain acrylic acid using a raw material that does not depend on petroleum. Means for solving the problem
- the present inventor has conducted intensive studies in order to solve the above problems. As a result, the idea of producing acrylic acid from glycerin, which can be easily obtained from fats and oils present in the living world, was conceived. The inventors have found that acrylic acid can be obtained by subjecting glycerin to a dehydration reaction in the gas phase and subjecting the gaseous reactant produced by the dehydration reaction to a gas phase oxidation reaction, thereby completing the present invention.
- the method for producing acrylic acid according to the present invention comprises: using glycerin as a raw material; ⁇ A water reaction is performed, and a gaseous reaction product generated by the dehydration reaction is subjected to a gas phase oxidation reaction.
- glycerin is subjected to a dehydration reaction in a gas phase, and a gaseous reactant produced by the dehydration reaction is subjected to a gas phase oxidation reaction.
- the present invention uses glycerin as a raw material.
- the glycerin to be subjected to the dehydration reaction as the raw material may be glycerin having a purity of 100%, or glycerin water which is a mixture of glycerin and water (so-called sweet water). ).
- Glycerin / glycerin water is collected during hydrolysis of various fats and oils, or is recovered from wastewater in the production of stone, and can be easily obtained industrially.
- glycerin is expected to be generated in large quantities as a by-product in the production of biodiesel fuel, a renewable fuel, by hydrocracking of vegetable oil, and its effective utilization is expected. I have.
- the present invention provides a method for producing acrylic acid, a useful chemical, using glycerin, which is a readily available and renewable raw material, using carbon dioxide immobilized by plants as a carbon source, The method also provides acrylic acid, which does not substantially lead to an increase in carbon dioxide in the air.
- glycerin water when used as a raw material, water in the glycerin water is contained.
- the W content is preferably at most 50% by weight. If the content of water in the glycerin water as a raw material exceeds 50% by weight, a large amount of energy is required for vaporization, and enormous cost is required for wastewater treatment, which is disadvantageous to the economy. This hinders the industrial production of acrylic acid.
- glycerin water having a water content of 30% by weight or less, more preferably 20% by weight or less, and most preferably 10% by weight or less is used as a raw material.
- the dehydration reaction in the present invention is a reaction for converting glycerin to acrolein, and is a reaction in which a raw material (glycerin or glycerin water) is vaporized to form a gas, and the gas is subjected to a gas phase reaction in the presence of a catalyst.
- a catalyst that can be used in the dehydration reaction include natural or synthetic clay compounds such as force olinate, bentonite, montmorillonite, and zeolite; phosphates and sulfuric acids supported on a carrier such as alumina.
- the substance When the above-mentioned substance is in a powder form, the substance may be molded alone or may be already molded. It may be used by impregnating it into a carrier or applying it to the surface.
- the reaction temperature at the time of the dehydration reaction is not particularly limited, but is preferably 200 to 370C.
- the raw material may be gasified by vaporization, and the gas may be passed through a reactor filled with the catalyst and controlled at the reaction temperature.
- the flow rate of the gas when flowing through the reactor is not particularly limited, but is preferably adjusted, for example, so that the space velocity becomes 100 to 20000 h_1 .
- an inert gas in order to suppress a runaway reaction due to a high-concentration gas, it is preferable to add an inert gas to a gas obtained by vaporizing a raw material so that the gas flows through the reactor.
- concentration of the inert gas in the gas supplied to the reactor for the dehydration reaction is 50% by volume or more.
- the inert gas for example, nitrogen gas, carbon dioxide gas, rare gas, steam, or the like is used. Can do.
- the gas-phase oxidation reaction in the present invention is a reaction for converting acrolein generated in the dehydration reaction to atalylic acid, and a gas-phase reaction of the gaseous reactant generated in the dehydration reaction in the presence of a catalyst.
- a catalyst that can be used in the gas phase oxidation reaction include iron oxide, molybdenum oxide, titanium oxide, vanadium oxide, tungsten oxide, antimony oxide, tin oxide, copper oxide, and mixtures and composite oxides thereof. And the like. These can also be used in the form of being supported on a carrier (for example, zirconia, silica, alumina, a composite oxide thereof, or silicon carbide).
- the reaction temperature during the gas phase oxidation reaction is not particularly limited, but is preferably from 200 to 400 ° C.
- the gas generated in the dehydration reaction may be allowed to flow through a reactor filled with the catalyst and controlled at the reaction temperature.
- Gas flow rates of circulating the reactor is not particularly limited, for example, it is preferable to adjust so that the space velocity becomes 1 0 0 ⁇ 2 0 0 O h 1 .
- oxygen gas may be added to the gas generated by the dehydration reaction to increase the oxygen concentration.
- the oxygen concentration in the gas supplied to the reactor for the gas phase oxidation reaction is preferably 2% by volume or more. If the oxygen concentration in the gas supplied to the reactor for the gas-phase oxidation reaction is too high, a combustion range may occur and a danger of explosion or the like may occur.Therefore, the upper limit of the oxygen concentration is caused by the dehydration reaction. It is preferable to set appropriately so as to avoid the combustion range in consideration of the concentration of unreacted raw material glycerin contained in the gas and the reaction temperature.
- the method for producing acrylic acid of the present invention may be any method as long as the raw material is subjected to the dehydration reaction, and then the gaseous reactant generated in the dehydration reaction is subjected to the gas phase oxidation reaction.
- the embodiment is not particularly limited. For example, i) Using a tandem reactor equipped with two connected reaction tubes, filling each reaction tube with a catalyst for dehydration reaction and a catalyst for gas-phase oxidation reaction, A mode in which a gas phase oxidation reaction is performed; ii) a single-type reactor having one reaction tube is used, and the reaction gas is discharged from the reaction tube.
- a gas-phase oxidation catalyst is filled at the mouth, and a glycerin dehydration catalyst is filled at the inlet of the reaction gas, so that the gas-phase oxidation reaction follows the dehydration reaction in one reaction tube.
- the reaction temperature of each reaction may be reduced.
- it can be individually controlled to an optimum range.
- the tandem type reactor it is possible to add gas from the connection part, so that oxygen can be added to the gas that shifts from the dehydration reaction to the gas phase oxidation reaction, as described above.
- it is possible to increase the oxygen concentration in the gas used for the gas phase oxidation reaction. Therefore, in a mode in which the dehydration reaction and the gas phase oxidation reaction are performed in a tandem-type reactor, it is preferable to add oxygen to the gas that shifts from the dehydration reaction to the gas phase oxidation reaction. .
- the above-mentioned form i can be used, if necessary, for example, by dividing the heat medium circulating part of the multitubular reactor into two parts and circulating heat mediums of different temperatures, whereby the dehydration reaction and the gas phase oxidation can be performed.
- the reaction can be performed at different reaction temperatures.
- by filling an inert carrier between the gas phase oxidation catalyst and the dehydration reaction catalyst contamination between the gas phase oxidation catalyst and the dehydration reaction catalyst can be prevented. Can be prevented, and a catalytic reaction at an inappropriate reaction temperature can be suppressed.
- a heat-resistant material having a low surface area for example, a metal filler such as a stainless steel Raschig ring or a ceramic sintered body can be used.
- the acrylic acid produced by the production method of the present invention is industrially to a known purification method (for example, a step of collecting atalylic acid as a solution using water or a solvent, and a distillation to remove low-boiling substances and high-boiling substances from the resulting solution containing acrylic acid)
- Acrylic acid as a product can be obtained through a process or a crystallization step of crystallizing and purifying atrial acid.
- a known polymerization method such as a thermal polymerization method or a photopolymerization method, for example, polyacrylic acid (salt) or the like can be produced as a water-soluble polymer or a water-absorbing resin.
- acrylic acid can be obtained using glycerin, which is a raw material that does not depend on petroleum. Further, according to the present invention, glycerin which is a by-product at the time of producing vegetable oil hydrolyzate, such as biodiesel fuel production, can be effectively used as a raw material.
- glycerin derived from vegetable oil is derived from carbon dioxide in the air because glycerin carbon is derived from glycerin.
- acrylic acid produced according to the present invention and products using the same are finally incinerated. However, it does not lead to an increase in carbon dioxide in the air, and has the effect of preventing global warming. At the same time, vegetable oil is a renewable resource, and there is no concern about the depletion of resources such as fossil resources.
- alumina In a magnetic evaporator installed on a water bath at 90 ° C, one alumina Then, 200 g of a spherical carrier having a diameter of 6 to 8 mm was added, and the above-mentioned chemical solution was poured into the support and stirred to obtain a catalyst precursor. Next, the catalyst precursor was calcined at 400 ° C. for 6 hours to obtain a catalyst (A2) having a Mo—V_W—Cu composite oxide loading of 31% by weight.
- a tandem-type reactor equipped with two connected reaction tubes (both made of SUS and having a diameter of 25 mm) was used.
- the first-stage reaction tube contained 50 mL of catalyst (Al) and the second-stage reaction tube was filled with 50 mL of the catalyst (A2).
- Each reaction tube was placed in a variable temperature molten salt bath, and the temperature of each molten salt was set at 295 ° C for the first stage and 275 ° C for the second stage. .
- the content of the water is vaporized 1 5 wt% of glycerin water, this mixed gas obtained by adding oxygen-containing gas (gas composition:. Glycerin 10 volume / 0, 9% by volume of water, oxygen 6 volume 0/0, the nitrogen 75 (Volume%) at a flow rate of 42 OmL / min through the reaction tube of the first stage and the reaction tube of the second stage intermittently, and collected in a collecting bottle filled with water to remove acrylic acid. Obtained. The yield was 55%.
- oxygen-containing gas gas composition:. Glycerin 10 volume / 0, 9% by volume of water, oxygen 6 volume 0/0, the nitrogen 75 (Volume%) at a flow rate of 42 OmL / min through the reaction tube of the first stage and the reaction tube of the second stage intermittently, and collected in a collecting bottle filled with water to remove acrylic acid. Obtained. The yield was 55%.
- a tandem-type reactor equipped with two connected reaction tubes (both made of SUS and having a diameter of 25 mm) was used, and 35 mL of the catalyst (B1) was used in the first-stage reaction tube and the second-stage reaction tube was used.
- the tube was filled with 50 mL of the catalyst (B2).
- Each reaction tube was placed in a variable temperature molten salt bath, and the temperature of each molten salt was set at 290 ° C for the first stage and 270 ° C for the second stage.
- Glycerin water with a water content of 9% by weight is vaporized and mixed with nitrogen gas (gas composition: glycerin 14% by volume, water 7% by volume / 0 , nitrogen 79% by volume) at a flow rate of 294 mL.
- nitrogen gas gas composition: glycerin 14% by volume, water 7% by volume / 0 , nitrogen 79% by volume
- air was added and mixed at a flow rate of 126 mL / min to the gas flow passing through the first-stage reaction tube, and the mixed gas was added to the second-stage reaction tube. And collected in a collecting bottle filled with water to obtain acrylic acid. The yield was 63%.
- the reaction tubes are put into a molten salt bath of which temperature is variable in each section, and at that time, the shielding plate is arranged so as to correspond to a position where the stainless steel Raschig ring in the reaction tubes is filled, and 1 reaction zone of stage and second stage of the reaction zone independently as cut with temperature control, the first stage of the molten salt temperature was 292 ° C, the second stage was set to 270 ° C 0
- Glycerin water with a water content of 8% by weight is vaporized and mixed with oxygen-containing gas (gas composition: glycerin 10% by volume, water 4% by volume, oxygen 6% by volume, nitrogen 80% by volume) was passed through the reaction tube at a flow rate of 42 OmLZ, and collected in a collecting bottle containing water to obtain acrylic acid.
- oxygen-containing gas gas composition: glycerin 10% by volume, water 4% by volume, oxygen 6% by volume, nitrogen 80% by volume
- Glycerin water with a water content of 2% by weight is vaporized and mixed with oxygen-containing gas (gas composition: glycerin 10% by volume, water 1% by volume, oxygen 6% by volume, nitrogen 83% by volume) was passed through the reaction tube at a flow rate of 42 OmLZ, and collected in a collecting bottle containing water to obtain acrylic acid. The yield was 57%.
- oxygen-containing gas gas composition: glycerin 10% by volume, water 1% by volume, oxygen 6% by volume, nitrogen 83% by volume
- reaction tube was charged with 50 mL of the catalyst (C). Then, the reaction tube was put into a variable temperature molten salt bath, and the molten salt temperature was set at 294 ° C.
- Glycerin water with a water content of 9% by weight is vaporized and mixed with oxygen-containing gas (gas composition: glycerin 10% by volume, water 5% by volume, oxygen 6% by volume, nitrogen 79% by volume) was passed through the reaction tube at a flow rate of 42 OmLZ, and collected in a collecting bottle containing water to obtain acrylic acid. The yield was 58%.
- oxygen-containing gas gas composition: glycerin 10% by volume, water 5% by volume, oxygen 6% by volume, nitrogen 79% by volume
- the method for producing acrylic acid according to the present invention is characterized in that This is a new method for obtaining lylic acid, and is useful as a method for producing next-generation acrylic acid.
- acrylic acid produced by the method for producing acrylic acid according to the present invention or a product using the same is finally incinerated, it leads to an increase in carbon dioxide in the air, and an effect of preventing global warming. There is also.
Abstract
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/585,793 US7612230B2 (en) | 2004-01-30 | 2005-01-28 | Method for producing acrylic acid |
BRPI0507117-8A BRPI0507117A (pt) | 2004-01-30 | 2005-01-28 | método para a produção de ácido acrìlico |
CN2005800023500A CN1910128B (zh) | 2004-01-30 | 2005-01-28 | 丙烯酸的制备方法 |
EP05704387A EP1710227B1 (en) | 2004-01-30 | 2005-01-28 | Method for producing acrylic acid |
AT05704387T ATE479650T1 (de) | 2004-01-30 | 2005-01-28 | Verfahren zur herstellung von acrylsäure |
DE602005023268T DE602005023268D1 (de) | 2004-01-30 | 2005-01-28 | Verfahren zur herstellung von acrylsäure |
US12/586,567 US8178719B2 (en) | 2004-01-30 | 2009-09-24 | Method for producing acrylic acid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004024181A JP5006507B2 (ja) | 2004-01-30 | 2004-01-30 | アクリル酸の製造方法 |
JP2004-024181 | 2004-01-30 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/585,793 A-371-Of-International US7612230B2 (en) | 2004-01-30 | 2005-01-28 | Method for producing acrylic acid |
US12/586,567 Division US8178719B2 (en) | 2004-01-30 | 2009-09-24 | Method for producing acrylic acid |
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WO2005073160A1 true WO2005073160A1 (ja) | 2005-08-11 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/001627 WO2005073160A1 (ja) | 2004-01-30 | 2005-01-28 | アクリル酸の製造方法 |
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US (2) | US7612230B2 (ja) |
EP (2) | EP2159213B1 (ja) |
JP (1) | JP5006507B2 (ja) |
CN (2) | CN101811955B (ja) |
AT (1) | ATE479650T1 (ja) |
BR (1) | BRPI0507117A (ja) |
DE (1) | DE602005023268D1 (ja) |
WO (1) | WO2005073160A1 (ja) |
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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 |
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WO2007090991A3 (fr) * | 2006-02-07 | 2007-12-06 | Arkema France | Procede de preparation d'acide acrylique |
JP2009524630A (ja) * | 2006-02-07 | 2009-07-02 | アルケマ フランス | アクリル酸の製法方法 |
FR2897059A1 (fr) * | 2006-02-07 | 2007-08-10 | Arkema Sa | Procede de preparation d'acide acrylique |
FR2903620A1 (fr) * | 2006-07-13 | 2008-01-18 | Arkema France | Catalyseur membranaire pour la synthese d'acide acrylique a partir de glycerol |
WO2008007002A3 (fr) * | 2006-07-13 | 2008-02-28 | Arkema France | Catalyseur membranaire pour la synthèse d'acide acrylique à partir de glycérol |
KR101002761B1 (ko) | 2007-12-03 | 2010-12-21 | 주식회사 엘지화학 | 아크릴산의 제조방법 |
US8299299B2 (en) | 2008-07-28 | 2012-10-30 | Basf Se | Process for separating acrylic acid present as a main constituent and glyoxal present as a by-product in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a C3 precursor compound of acrylic acid |
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 |
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 |
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 |
WO2012045738A1 (de) | 2010-10-08 | 2012-04-12 | Basf Se | Verfahren zur hemmung der unerwünschten radikalischen polymerisation von in einer flüssigen phase p befindlicher acrylsäure |
US9212122B2 (en) | 2010-10-08 | 2015-12-15 | Basf Se | Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P |
WO2012163931A1 (de) | 2011-06-03 | 2012-12-06 | Basf Se | Wässrige lösung, enthaltend acrylsäure und deren konjugierte base |
US9150483B2 (en) | 2011-06-03 | 2015-10-06 | Basf Se | Aqueous solution comprising acrylic acid and the conjugate base thereof |
US9546124B2 (en) | 2013-06-27 | 2017-01-17 | Lg Chem, Ltd. | Method for producing acrylic acid from glycerol |
US9776940B2 (en) | 2015-08-07 | 2017-10-03 | Basf Se | Process for production of acrylic acid |
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 |
US11447439B2 (en) | 2018-07-26 | 2022-09-20 | Basf Se | Method for inhibiting unwanted radical polymerisation of acrylic acid present in a liquid phase P |
WO2021191042A1 (de) | 2020-03-26 | 2021-09-30 | Basf Se | Verfahren zur hemmung der unerwünschten radikalischen polymerisation von in einer flüssigen phase p befindlicher acrylsäure |
Also Published As
Publication number | Publication date |
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CN101811955B (zh) | 2012-01-25 |
DE602005023268D1 (de) | 2010-10-14 |
JP2005213225A (ja) | 2005-08-11 |
EP1710227B1 (en) | 2010-09-01 |
US8178719B2 (en) | 2012-05-15 |
US20070129570A1 (en) | 2007-06-07 |
CN101811955A (zh) | 2010-08-25 |
BRPI0507117A (pt) | 2007-06-19 |
US20100063233A1 (en) | 2010-03-11 |
CN1910128B (zh) | 2010-05-05 |
EP1710227A4 (en) | 2008-01-23 |
CN1910128A (zh) | 2007-02-07 |
JP5006507B2 (ja) | 2012-08-22 |
EP1710227A1 (en) | 2006-10-11 |
EP2159213B1 (en) | 2014-04-02 |
US7612230B2 (en) | 2009-11-03 |
ATE479650T1 (de) | 2010-09-15 |
EP2159213A1 (en) | 2010-03-03 |
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