DE19804915A1 - Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) - Google Patents

Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)

Info

Publication number
DE19804915A1
DE19804915A1 DE19804915A DE19804915A DE19804915A1 DE 19804915 A1 DE19804915 A1 DE 19804915A1 DE 19804915 A DE19804915 A DE 19804915A DE 19804915 A DE19804915 A DE 19804915A DE 19804915 A1 DE19804915 A1 DE 19804915A1
Authority
DE
Germany
Prior art keywords
formaldehyde
aniline
reaction mixture
temperature
methylene
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.)
Withdrawn
Application number
DE19804915A
Other languages
German (de)
English (en)
Inventor
Eckhard Dr Stroefer
Jan Jacobs
Wilfried Dr Seyfert
Hans Volkmar Dr Schwarz
Olaf Dr Schweers
Volker Scharr
Ulrich Dr Penzel
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.)
BASF SE
Original Assignee
BASF SE
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 by BASF SE filed Critical BASF SE
Priority to DE19804915A priority Critical patent/DE19804915A1/de
Priority to US09/601,097 priority patent/US6433219B1/en
Priority to EP02022029A priority patent/EP1270544B1/de
Priority to JP2000530491A priority patent/JP4731684B2/ja
Priority to ES99906202T priority patent/ES2198894T3/es
Priority to CNB2004100317075A priority patent/CN1266124C/zh
Priority to PT99906202T priority patent/PT1053222E/pt
Priority to CNB998027669A priority patent/CN1151119C/zh
Priority to KR1020007008609A priority patent/KR100555814B1/ko
Priority to CA002320477A priority patent/CA2320477A1/en
Priority to EP99906202A priority patent/EP1053222B1/de
Priority to BR9907634-9A priority patent/BR9907634A/pt
Priority to ES02022029T priority patent/ES2234969T3/es
Priority to PCT/EP1999/000472 priority patent/WO1999040059A1/de
Priority to PT02022029T priority patent/PT1270544E/pt
Priority to AU26217/99A priority patent/AU2621799A/en
Priority to DE59905323T priority patent/DE59905323D1/de
Priority to DE59911344T priority patent/DE59911344D1/de
Publication of DE19804915A1 publication Critical patent/DE19804915A1/de
Priority to MXPA00007646 priority patent/MXPA00007646A/es
Priority to US10/152,489 priority patent/US6831192B2/en
Priority to US10/843,046 priority patent/US7230130B2/en
Priority to JP2010175044A priority patent/JP5449082B2/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • C07C209/78Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
DE19804915A 1998-02-07 1998-02-07 Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) Withdrawn DE19804915A1 (de)

Priority Applications (22)

Application Number Priority Date Filing Date Title
DE19804915A DE19804915A1 (de) 1998-02-07 1998-02-07 Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
ES02022029T ES2234969T3 (es) 1998-02-07 1999-01-26 Procedimiento para la obtencion metilendi (fenilamina)y metilendi (fenilisocianato).
BR9907634-9A BR9907634A (pt) 1998-02-07 1999-01-26 Processo para a preparação de metilenodianilina pela reação de anilina com formaldeìdo na presença de catalisadores ácidos, mistura compreendendo metilenodianilina, processos para a preparação de poliisocianatos pela fosgenação de poliaminas, para a preparação de metilenobis (fenil; isocianato, e para a preparação de mdi monÈmérico e mdi polimérico, e, poliisocianato
JP2000530491A JP4731684B2 (ja) 1998-02-07 1999-01-26 メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法
ES99906202T ES2198894T3 (es) 1998-02-07 1999-01-26 Procedimiento para la obtencion de metilendi(fenilamina) y metilendi(fenilisocianato).
CNB2004100317075A CN1266124C (zh) 1998-02-07 1999-01-26 制备多异氰酸酯的方法
PT99906202T PT1053222E (pt) 1998-02-07 1999-01-26 Processo para producao de metileno-di(fenilamina) e metileno-di(fenilisocianato)
CNB998027669A CN1151119C (zh) 1998-02-07 1999-01-26 制备亚甲基二苯胺和亚甲基二(异氰酸苯酯)的方法
PCT/EP1999/000472 WO1999040059A1 (de) 1998-02-07 1999-01-26 Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat)
EP02022029A EP1270544B1 (de) 1998-02-07 1999-01-26 Verfahren zur Herstellung von Methylendi (phenylamin) und Methylendi (phenylisocyanat)
EP99906202A EP1053222B1 (de) 1998-02-07 1999-01-26 Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat)
US09/601,097 US6433219B1 (en) 1998-02-07 1999-01-26 Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate)
CA002320477A CA2320477A1 (en) 1998-02-07 1999-01-26 Method for the production of methylenedi(phenylamine) and methylenedi(phenyl isocyanate)
KR1020007008609A KR100555814B1 (ko) 1998-02-07 1999-01-26 메틸렌디(페닐아민) 및 메틸렌디(페닐 이소시아네이트)의제조 방법
PT02022029T PT1270544E (pt) 1998-02-07 1999-01-26 Processo para o fabrico de metileno-di-(fenilamina) e de di-(fenilisocianato) de metileno
AU26217/99A AU2621799A (en) 1998-02-07 1999-01-26 Method for the production of methylenedi(phenylamine) and methylenedi(phenyl isocyanate)
DE59905323T DE59905323D1 (de) 1998-02-07 1999-01-26 Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat)
DE59911344T DE59911344D1 (de) 1998-02-07 1999-01-26 Verfahren zur Herstellung von Methylendi (phenylamin) und Methylendi (phenylisocyanat)
MXPA00007646 MXPA00007646A (es) 1998-02-07 2000-08-04 Proceso para preparar metilendianilina y metilenbis (isocianato) de fen
US10/152,489 US6831192B2 (en) 1998-02-07 2002-05-21 Process for preparing methylenedianiline and methylenebis(phenyl isocyanate)
US10/843,046 US7230130B2 (en) 1998-02-07 2004-05-11 Process for preparing methylenedianiline and methylenebis (phenylisocyanate)
JP2010175044A JP5449082B2 (ja) 1998-02-07 2010-08-04 メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19804915A DE19804915A1 (de) 1998-02-07 1998-02-07 Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)

Publications (1)

Publication Number Publication Date
DE19804915A1 true DE19804915A1 (de) 1999-08-12

Family

ID=7856961

Family Applications (3)

Application Number Title Priority Date Filing Date
DE19804915A Withdrawn DE19804915A1 (de) 1998-02-07 1998-02-07 Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
DE59905323T Expired - Lifetime DE59905323D1 (de) 1998-02-07 1999-01-26 Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat)
DE59911344T Expired - Lifetime DE59911344D1 (de) 1998-02-07 1999-01-26 Verfahren zur Herstellung von Methylendi (phenylamin) und Methylendi (phenylisocyanat)

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE59905323T Expired - Lifetime DE59905323D1 (de) 1998-02-07 1999-01-26 Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat)
DE59911344T Expired - Lifetime DE59911344D1 (de) 1998-02-07 1999-01-26 Verfahren zur Herstellung von Methylendi (phenylamin) und Methylendi (phenylisocyanat)

Country Status (13)

Country Link
US (3) US6433219B1 (https=)
EP (2) EP1053222B1 (https=)
JP (2) JP4731684B2 (https=)
KR (1) KR100555814B1 (https=)
CN (2) CN1151119C (https=)
AU (1) AU2621799A (https=)
BR (1) BR9907634A (https=)
CA (1) CA2320477A1 (https=)
DE (3) DE19804915A1 (https=)
ES (2) ES2234969T3 (https=)
MX (1) MXPA00007646A (https=)
PT (2) PT1053222E (https=)
WO (1) WO1999040059A1 (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167343A1 (de) * 2000-06-28 2002-01-02 Basf Aktiengesellschaft Verfahren zur Herstellung eines aromatischen Polyamingemisches
EP1288190A3 (de) * 2001-08-24 2003-06-04 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
US8212069B2 (en) 2006-10-26 2012-07-03 Ralf Boehling Process for preparing isocyanates
US8496834B2 (en) 2007-09-28 2013-07-30 Huntsman International Llc Process for fractionating a mixture of polyisocyanates
WO2017125302A1 (de) * 2016-01-20 2017-07-27 Basf Se Verfahren zur herstellung eines aromatischen polyamingemisches
WO2025073928A1 (en) 2023-10-06 2025-04-10 Basf Se Process for preparing mda
WO2026068450A1 (en) 2024-09-24 2026-04-02 Basf Se Process for preparing a polyisocyanate mixture comprising methylene diphenyl diisocyanate (mdi)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
DE10111337A1 (de) * 2001-03-08 2002-09-12 Basf Ag Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI
DE10211021A1 (de) 2002-03-13 2003-09-25 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
DE10222968A1 (de) 2002-05-23 2003-12-04 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE10238995A1 (de) * 2002-08-20 2004-02-26 Basf Ag Gasphasenphosgenierung bei moderaten Drücken
DE10260093A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
DE10260082A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE10331772A1 (de) * 2003-07-11 2005-02-03 Basf Ag Verfahren zur Herstellung von Diaminodiarylmethanen
DE10333929A1 (de) * 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
DE10347438A1 (de) * 2003-10-13 2005-05-04 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102004005319A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat
DE102004032416A1 (de) * 2004-07-05 2006-02-02 Bayer Materialscience Ag Verfahren zur Herstellung von Polyaminen der Diphenylmethanreihe bei niedriger Protonierung
DE102004052370A1 (de) * 2004-10-28 2006-05-04 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102005014846A1 (de) * 2005-03-30 2006-10-05 Basf Ag MDI Herstellung mittels Flüssigphasen- und Gasphasenphosgenierung
DE102005014244A1 (de) 2005-03-30 2006-10-05 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
JP2006312619A (ja) * 2005-04-04 2006-11-16 Mitsui Chemicals Polyurethanes Inc ポリイソシアネート製造設備およびポリイソシアネート製造方法
JP2012233004A (ja) * 2005-04-04 2012-11-29 Mitsui Chemicals Inc ポリイソシアネート製造設備およびポリイソシアネート製造方法
JP4739798B2 (ja) * 2005-04-05 2011-08-03 三井化学株式会社 ポリイソシアネート連続製造装置
PT1890998E (pt) * 2005-05-30 2014-03-06 Huntsman Int Llc Processo para a preparação de poliisocianatos da série do difenilmetano
DE102005055189A1 (de) * 2005-11-19 2007-05-24 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
US7943724B2 (en) * 2005-12-08 2011-05-17 Huntsman International Llc Process for preparing diaminodiphenylmethanes
DE102006004041A1 (de) * 2006-01-28 2007-08-02 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102006004047A1 (de) * 2006-01-28 2007-08-02 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
US8173833B2 (en) * 2006-11-07 2012-05-08 Basf Aktiengesellschaft Method for the production of isocyanates
KR101544219B1 (ko) 2007-01-08 2015-08-12 바스프 에스이 디페닐메탄디아민의 제조 방법
KR100888733B1 (ko) 2007-03-28 2009-03-17 금호미쓰이화학 주식회사 폴리메틸렌 폴리페닐 폴리아민의 제조방법
CN101279923B (zh) * 2007-04-06 2010-08-25 宁波万华聚氨酯有限公司 一种制备多亚甲基多苯基多胺的方法
EP2014641A3 (en) * 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
MX2009013109A (es) * 2007-06-12 2010-01-15 Basf Se Metodo para la recuperacion de acidos minerales a partir de soluciones salinas.
DE102008012037A1 (de) * 2008-03-01 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten
DE102008015123A1 (de) * 2008-03-20 2009-09-24 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
KR20110010752A (ko) * 2008-05-26 2011-02-07 바스프 에스이 디페닐메탄 디아민의 제조 방법
EP2421818B1 (de) 2009-04-24 2014-08-27 Basf Se Verfahren zur herstellung von farbstabilem mda und mdi
HUE038012T2 (hu) * 2009-09-02 2018-09-28 Huntsman Int Llc Áramló vizes fázisból metilénhidas polifenil-poliaminok eltávolítására szolgáló módszer
JP2013508337A (ja) 2009-10-20 2013-03-07 ビーエーエスエフ ソシエタス・ヨーロピア ジフェニルメタンジイソシアネート(mdi)を製造する方法及び好ましくは蒸留的に処理する方法
EP2507206B1 (de) 2009-12-04 2014-12-03 Basf Se Verfahren zur herstellung von isocyanaten
JP5810095B2 (ja) 2009-12-18 2015-11-11 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se Mda合成における均一系触媒のコスト効率的な析出のための2段階製法
US20110228630A1 (en) * 2010-03-16 2011-09-22 Dow Global Technologies, Inc. Reduced Transit Static Mixer Configuration
US20110230679A1 (en) * 2010-03-16 2011-09-22 Dow Global Technologies, Inc. Reactive Static Mixer
BR112013012255A2 (pt) 2010-11-17 2016-08-09 Basf Se processo para preparar di - isocianato de metileno difenila
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
EP2486975B1 (en) * 2010-12-29 2015-09-23 Wanhua Chemical Group Co., Ltd. Fast mixing reactor and use thereof
EP2714650A1 (de) 2011-05-24 2014-04-09 Basf Se Verfahren zur herstellung von polyisocyanaten aus biomasse
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
CN102516126A (zh) * 2011-11-29 2012-06-27 广州秀珀化工股份有限公司 一种烷基取代的二苯基甲烷二异氰酸酯的制备方法
US20140131275A1 (en) 2012-11-15 2014-05-15 Bayer Intellectual Property Gmbh Process for phase separation or extraction and device suitable therefor
WO2014166977A1 (de) 2013-04-11 2014-10-16 Bayer Materialscience Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
PT2984067T (pt) 2013-04-11 2018-01-18 Covestro Deutschland Ag Processo para a produção de diaminas e de poliaminas da série difenilmetano
PT2989078T (pt) 2013-04-24 2018-03-28 Covestro Deutschland Ag Método para o fabrico de diaminas e poliaminas da série difenilmetano
US10125090B2 (en) 2014-06-24 2018-11-13 Covestro Deutschland Ag Process for preparation of di- and polyamines of the diphenylmethane series
KR20170021850A (ko) * 2014-06-24 2017-02-28 코베스트로 도이칠란트 아게 디페닐메탄 시리즈의 디- 및 폴리아민의 제조 방법
PT3160630T (pt) 2014-06-24 2022-11-21 Covestro Intellectual Property Gmbh & Co Kg Processo para a produção de produtos químicos com interrupções do processo
KR20170023987A (ko) * 2014-06-24 2017-03-06 코베스트로 도이칠란트 아게 디페닐메탄 시리즈의 디- 및 폴리아민의 제조 방법
KR102797879B1 (ko) 2015-11-20 2025-04-22 코베스트로 도이칠란트 아게 아미노벤조산 또는 아미노벤조산 유도체의 제조 방법
US10703709B2 (en) 2016-06-29 2020-07-07 Covestro Deutschland Ag Method for producing aniline or an aniline conversion product
CN109563028B (zh) 2016-08-17 2021-11-19 科思创德国股份有限公司 在生产联合体中制备异氰酸酯和至少一种其他化学产品的方法
US10927066B2 (en) * 2016-09-14 2021-02-23 Basf Se Process for hydrogenating a mixture in the presence of a colorless amine
US10968466B2 (en) 2016-12-20 2021-04-06 Covestro Deutschland Ag Process for preparing aminobenzoic acid or an aminobenzoic acid conversion product
US10640455B1 (en) 2016-12-22 2020-05-05 Covestro Deutschland Ag Method of producing diamines and polyamines of the diphenylmethane series
US10626078B2 (en) 2016-12-22 2020-04-21 Covestro Deutschland Ag Method of producing diamines and polyamines of the diphenylmethane series at different production capacities
WO2018114767A1 (de) 2016-12-22 2018-06-28 Covestro Deutschland Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe bei unterschiedlichen produktionskapazitäten
EP3558926B1 (de) 2016-12-22 2021-01-20 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
CN112534057A (zh) 2018-06-07 2021-03-19 科思创知识产权两合公司 制备氨基苯甲酸或氨基苯甲酸反应产物的方法
BR112021001332B1 (pt) 2018-07-27 2024-02-20 Covestro Intellectual Property Gmbh & Co. Kg Processo para preparar anilina ou um produto de conversão de anilina
CN110387031B (zh) * 2019-07-12 2021-06-29 万华化学集团股份有限公司 一种浅色异氰酸酯制备方法
CN111646927A (zh) * 2020-06-12 2020-09-11 万华节能科技集团股份有限公司 阻燃二苯基甲烷二异氰酸酯的衍生物及其合成方法
EP4347556A1 (en) * 2021-05-25 2024-04-10 Basf Se Process for preparing at least one polyisocyanate
CN117396459A (zh) 2021-06-02 2024-01-12 科思创德国股份有限公司 制备苯胺或苯胺衍生物的方法
US20250223255A1 (en) 2022-04-06 2025-07-10 Covestro Deutschland Ag Method for producing aniline or an aniline-derived product
CN115124431B (zh) * 2022-06-30 2023-08-11 万华化学集团股份有限公司 一种低n甲基杂质含量的二苯基甲烷系列的二胺和多胺的制备方法
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EP4345088B1 (en) 2022-09-29 2025-10-22 Covestro Deutschland AG A process for preparing di- and polyamines of the diphenyl methane series
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167343A1 (de) * 2000-06-28 2002-01-02 Basf Aktiengesellschaft Verfahren zur Herstellung eines aromatischen Polyamingemisches
EP1288190A3 (de) * 2001-08-24 2003-06-04 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
US8212069B2 (en) 2006-10-26 2012-07-03 Ralf Boehling Process for preparing isocyanates
US8772535B2 (en) 2006-10-26 2014-07-08 Basf Se Process for preparing isocyanates
US8496834B2 (en) 2007-09-28 2013-07-30 Huntsman International Llc Process for fractionating a mixture of polyisocyanates
WO2017125302A1 (de) * 2016-01-20 2017-07-27 Basf Se Verfahren zur herstellung eines aromatischen polyamingemisches
US11028042B2 (en) 2016-01-20 2021-06-08 Basf Se Process for preparing an aromatic polyamine mixture
WO2025073928A1 (en) 2023-10-06 2025-04-10 Basf Se Process for preparing mda
WO2026068450A1 (en) 2024-09-24 2026-04-02 Basf Se Process for preparing a polyisocyanate mixture comprising methylene diphenyl diisocyanate (mdi)

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MXPA00007646A (es) 2001-04-01
CN1151119C (zh) 2004-05-26
US7230130B2 (en) 2007-06-12
KR100555814B1 (ko) 2006-03-03
EP1270544B1 (de) 2004-12-22
AU2621799A (en) 1999-08-23
EP1270544A1 (de) 2003-01-02
CN1266124C (zh) 2006-07-26
BR9907634A (pt) 2000-11-14
CN1532189A (zh) 2004-09-29
PT1053222E (pt) 2003-09-30
CA2320477A1 (en) 1999-08-12
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US6433219B1 (en) 2002-08-13
JP5449082B2 (ja) 2014-03-19
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ES2198894T3 (es) 2004-02-01
DE59911344D1 (de) 2005-01-27
CN1290245A (zh) 2001-04-04
US6831192B2 (en) 2004-12-14
EP1053222B1 (de) 2003-05-02
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PT1270544E (pt) 2005-05-31
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