JP5586581B2 - 気相酸化反応器の始動方法 - Google Patents
気相酸化反応器の始動方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 22
- 238000007254 oxidation reaction Methods 0.000 title claims description 16
- 230000003647 oxidation Effects 0.000 title claims description 15
- 239000003054 catalyst Substances 0.000 claims description 134
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 46
- 239000011149 active material Substances 0.000 claims description 35
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 33
- 229940078552 o-xylene Drugs 0.000 claims description 23
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 22
- 238000012546 transfer Methods 0.000 claims description 16
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- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 12
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- 150000003839 salts Chemical class 0.000 description 11
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- 229910001942 caesium oxide Inorganic materials 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 6
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- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 5
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 description 4
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
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- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 3
- 239000000391 magnesium silicate Substances 0.000 description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 description 3
- 235000019792 magnesium silicate Nutrition 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
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- 239000000243 solution Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
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- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- JIHMVMRETUQLFD-UHFFFAOYSA-N cerium(3+);dioxido(oxo)silane Chemical compound [Ce+3].[Ce+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O JIHMVMRETUQLFD-UHFFFAOYSA-N 0.000 description 2
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- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
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- 229910052573 porcelain Inorganic materials 0.000 description 2
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- 238000011282 treatment Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
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- 239000000654 additive Substances 0.000 description 1
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- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
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- 229940070765 laurate Drugs 0.000 description 1
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- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- BTFQKIATRPGRBS-UHFFFAOYSA-N o-tolualdehyde Chemical compound CC1=CC=CC=C1C=O BTFQKIATRPGRBS-UHFFFAOYSA-N 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 125000005506 phthalide group Chemical group 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 239000012041 precatalyst Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- 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
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
本発明は、o−キシレンの気相酸化による無水フタル酸の製造に関する。このためには一般的には、分子状酸素及びo−キシレンを含有するガス流を複数の、反応器中に配置された管を通じて導通させ、この中には少なくとも1の触媒の充填物(Schuettung)が存在する。温度制御のために管を伝熱媒体、例えば塩熔融物により取り囲む。
a)触媒層が、この触媒層に比較して触媒活性がより少ないか又は触媒不活性であるモデレーター層(Moderatorlage)により中断されており、
b)ガス流を、o−キシレンの初期負荷でかつ伝熱媒体の初期温度で反応器に導通させ、
c)ガス流の負荷を目的負荷に上昇させ、並行して伝熱媒体の温度を運転温度に低下させる方法により解決される。
第1の層のために:
全触媒に対して活性材料7〜10質量%、その際この活性材料は次のとおりである:
五酸化バナジウム6〜11質量%
三酸化アンチモン1.2〜3質量%
アルカリ(アルカリ金属として計算)、特に酸化セシウム0.1〜1質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは5〜30m2/gのBET表面積を有するアナターゼ変態にある。
全触媒に対して活性材料7〜12質量%、その際この活性材料は次のとおりである:
五酸化バナジウム5〜13質量%
三酸化アンチモン0〜3質量%
アルカリ(アルカリ金属として計算)、特に酸化セシウム0〜0.4質量%
五酸化リン(Pとして計算)0〜0.4質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは10〜40m2/gのBET表面積を有するアナターゼ変態にある。
全触媒に対して活性材料8〜12質量%、その際この活性材料は次のとおりである:
五酸化バナジウム5〜30質量%
三酸化アンチモン0〜3質量%
アルカリ(アルカリ金属として計算)、特に酸化セシウム0〜0.3質量%
五酸化リン(Pとして計算)0.05〜0.4質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは15〜50m2/gのBET表面積を有するアナターゼ変態にある。
第1の層のために:
全触媒に対して活性材料7〜10質量%、その際この活性材料は次のとおりである:
五酸化バナジウム6〜11質量%
三酸化アンチモン1.2〜3質量%
アルカリ(アルカリ金属として計算)、特に酸化セシウム0.1〜1質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは5〜30m2/gのBET表面積を有するアナターゼ変態にある。
全触媒に対して活性材料7〜10質量%、その際この活性材料は次のとおりである:
五酸化バナジウム4〜15質量%
三酸化アンチモン0〜3質量%
アルカリ(アルカリ金属として計算)、特に酸化セシウム0.1〜1質量%
五酸化リン(Pとして計算)0〜0.4質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは10〜35m2/gのBET表面積を有するアナターゼ変態にある。
全触媒に対して活性材料7〜10質量%、その際この活性材料は次のとおりである:
五酸化バナジウム5〜13質量%
三酸化アンチモン0〜3質量%
アルカリ(アルカリ金属として計算)、特に酸化セシウム0〜0.4質量%
五酸化リン(Pとして計算)0〜0.4質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは15〜40m2/gのBET表面積を有するアナターゼ変態にある。
全触媒に対して活性材料8〜12質量%、その際この活性材料は次のとおりである:
五酸化バナジウム10〜30質量%
三酸化アンチモン0〜3質量%
五酸化リン(Pとして計算)0.05〜0.4質量%を含有し、残分として100質量%まで二酸化チタンを有し、有利にはこれは15〜50m2/gのBET表面積を有するアナターゼ変態にある。
以下の触媒1〜4を使用した。触媒は設けられた活性材料を有する環(7×7×4mm、AD×L×ID)の形のステアタイト成形体(ケイ酸マグネシウム)を含有した。
比較例を繰り返し、但し触媒1の60cmの層の後に10cmの長さの、ステアタイト環からなる触媒不活性層(7mm外側直径、4mm高さ、4mm内径、前面で2つの切り込みを有する)をモデレーター層として組み込んだ。以下の充填物長さ分布が生じた:60/10/60/50/70/70cm(触媒1a/モデレーター層/触媒1b/触媒2/触媒3/触媒4)。
Claims (9)
- ガス流の流れ方向に相前後して配置された異なる活性をもつ少なくとも2つの触媒層を含み、かつ、伝熱媒体により温度調節可能である、o−キシレンを無水フタル酸へと酸化するための気相酸化反応器の始動方法であって、
a)最も上流の触媒層が、前記最も上流の触媒層に比較して触媒活性がより少ないか又は触媒不活性であるモデレーター層により中断されており、前記モデレーター層は期待されるホットスポットの位置に対して上流に配置されており、
b)ガス流を、o−キシレンの初期負荷でかつ伝熱媒体の初期温度で反応器に導通させ、
c)ガス流の負荷を、前記触媒層中でホットスポットでの温度が予め設定された限度値を超えないように制御して目的負荷に上昇させ、並行して、伝熱媒体の温度を運転温度に低下させる前記方法。 - モデレーター層の体積が、モデレーター層により中断されている前記最も上流の触媒層の体積の3〜25%である請求項1記載の方法。
- ホットスポットでの温度の限度値が450℃である請求項1記載の方法。
- o−キシレンの初期負荷がその目的負荷に比較して少なくとも30g/Nm3より低い請求項1記載の方法。
- 初期温度が運転温度に比較して少なくとも30℃より高い請求項1記載の方法。
- 目的負荷が60〜110g/Nm3である請求項1記載の方法。
- 運転温度が340〜365℃である請求項1記載の方法。
- 負荷を0.5〜10g/Nm3・日の速度で上昇させる請求項1記載の方法。
- 触媒層が触媒を含み、該触媒活性材料が五酸化バナジウム及び二酸化チタンを含有する請求項1記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08154169.0 | 2008-04-07 | ||
EP08154169 | 2008-04-07 | ||
PCT/EP2009/054168 WO2009124946A1 (de) | 2008-04-07 | 2009-04-07 | Verfahren zum anfahren eines gasphasenoxidationsreaktors |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011519825A JP2011519825A (ja) | 2011-07-14 |
JP2011519825A5 JP2011519825A5 (ja) | 2012-05-31 |
JP5586581B2 true JP5586581B2 (ja) | 2014-09-10 |
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CN (1) | CN102056886B (ja) |
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EP2024351B1 (de) * | 2006-05-19 | 2011-03-09 | Basf Se | Herstellung von phthalsäureanhydrid durch gasphasenoxidation von o-xylol |
SI2027102T1 (sl) * | 2006-05-19 | 2010-08-31 | Basf Se | Proizvodnja ftalnega anhidrida s pomoäśjo plinske fazne oksidacije o-ksilola v primarnem in sekundarnem reaktorju |
BRPI0720411A2 (pt) | 2006-12-21 | 2013-12-31 | Basf Se | Processo para oxidação em fase gasosa, e, sistema catalisador para a realização de processos de oxidação em fase gasosa |
CN102015609A (zh) * | 2008-04-07 | 2011-04-13 | 巴斯夫欧洲公司 | 起动含有催化活性银钒氧化物青铜的气相氧化反应器的方法 |
US8933254B2 (en) * | 2008-07-14 | 2015-01-13 | Basf Se | Process for making ethylene oxide |
US9138729B2 (en) | 2008-12-22 | 2015-09-22 | Basf Se | Catalyst and method for producing maleic anhydride |
CN102612406A (zh) * | 2009-11-20 | 2012-07-25 | 巴斯夫欧洲公司 | 用于制备羧酸和/或羧酸酐的在至少一个催化剂层中具有锑酸钒的多层催化剂及具有低热点温度的制备邻苯二甲酸酐的方法 |
US8609906B2 (en) * | 2009-12-15 | 2013-12-17 | Basf Se | Process for preparing C1-C4-oxygenates by partial oxidation of hydrocarbons |
US20110230668A1 (en) * | 2010-03-19 | 2011-09-22 | Basf Se | Catalyst for gas phase oxidations based on low-sulfur and low-calcium titanium dioxide |
US8901320B2 (en) | 2010-04-13 | 2014-12-02 | Basf Se | Process for controlling a gas phase oxidation reactor for preparation of phthalic anhydride |
US8859459B2 (en) | 2010-06-30 | 2014-10-14 | Basf Se | Multilayer catalyst for preparing phthalic anhydride and process for preparing phthalic anhydride |
US9212157B2 (en) | 2010-07-30 | 2015-12-15 | Basf Se | Catalyst for the oxidation of o-xylene and/or naphthalene to phthalic anhydride |
EP3013784B1 (de) * | 2013-06-26 | 2018-12-26 | Basf Se | Verfahren zum anfahren eines gasphasenoxidationsreaktors |
US20230212134A1 (en) * | 2020-07-14 | 2023-07-06 | Clariant International Ltd | Method for starting up a reactor for preparing phthalic anhydride |
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2009
- 2009-04-07 JP JP2011503424A patent/JP5586581B2/ja not_active Expired - Fee Related
- 2009-04-07 EP EP09731418.1A patent/EP2280921B1/de not_active Not-in-force
- 2009-04-07 BR BRPI0910946A patent/BRPI0910946A2/pt active Search and Examination
- 2009-04-07 US US12/936,807 patent/US8492566B2/en active Active
- 2009-04-07 CN CN2009801210451A patent/CN102056886B/zh not_active Expired - Fee Related
- 2009-04-07 TW TW098111525A patent/TWI453190B/zh not_active IP Right Cessation
- 2009-04-07 KR KR1020107024842A patent/KR101581063B1/ko not_active Expired - Fee Related
- 2009-04-07 WO PCT/EP2009/054168 patent/WO2009124946A1/de active Application Filing
Also Published As
Publication number | Publication date |
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TW200948773A (en) | 2009-12-01 |
TWI453190B (zh) | 2014-09-21 |
CN102056886B (zh) | 2013-10-09 |
WO2009124946A1 (de) | 2009-10-15 |
CN102056886A (zh) | 2011-05-11 |
KR20110014580A (ko) | 2011-02-11 |
US20110034707A1 (en) | 2011-02-10 |
EP2280921B1 (de) | 2014-07-30 |
KR101581063B1 (ko) | 2015-12-30 |
BRPI0910946A2 (pt) | 2016-01-05 |
JP2011519825A (ja) | 2011-07-14 |
US8492566B2 (en) | 2013-07-23 |
EP2280921A1 (de) | 2011-02-09 |
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