JP2002502838A5 - - Google Patents
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- Publication number
- JP2002502838A5 JP2002502838A5 JP2000530491A JP2000530491A JP2002502838A5 JP 2002502838 A5 JP2002502838 A5 JP 2002502838A5 JP 2000530491 A JP2000530491 A JP 2000530491A JP 2000530491 A JP2000530491 A JP 2000530491A JP 2002502838 A5 JP2002502838 A5 JP 2002502838A5
- Authority
- JP
- Japan
- Prior art keywords
- formaldehyde
- temperature
- reaction mixture
- aniline
- mdi
- 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.)
- Granted
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 74
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 46
- 239000011541 reaction mixture Substances 0.000 description 26
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 19
- 239000003377 acid catalyst Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 238000011437 continuous method Methods 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 5
- 239000000178 monomer Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000012442 inert solvent Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000008098 formaldehyde solution Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Applications Claiming Priority (3)
| 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) |
| DE19804915.3 | 1998-02-07 | ||
| PCT/EP1999/000472 WO1999040059A1 (de) | 1998-02-07 | 1999-01-26 | Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat) |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010175044A Division 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002502838A JP2002502838A (ja) | 2002-01-29 |
| JP2002502838A5 true JP2002502838A5 (enExample) | 2010-09-24 |
| JP4731684B2 JP4731684B2 (ja) | 2011-07-27 |
Family
ID=7856961
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000530491A Expired - Fee Related 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 |
| JP2010175044A Expired - Fee Related 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 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010175044A Expired - Fee Related 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 |
Country Status (13)
| Country | Link |
|---|---|
| US (3) | US6433219B1 (enExample) |
| EP (2) | EP1053222B1 (enExample) |
| JP (2) | JP4731684B2 (enExample) |
| KR (1) | KR100555814B1 (enExample) |
| CN (2) | CN1266124C (enExample) |
| AU (1) | AU2621799A (enExample) |
| BR (1) | BR9907634A (enExample) |
| CA (1) | CA2320477A1 (enExample) |
| DE (3) | DE19804915A1 (enExample) |
| ES (2) | ES2198894T3 (enExample) |
| MX (1) | MXPA00007646A (enExample) |
| PT (2) | PT1270544E (enExample) |
| WO (1) | WO1999040059A1 (enExample) |
Families Citing this family (78)
| 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) |
| DE10031540A1 (de) * | 2000-06-28 | 2002-01-10 | Basf Ag | Verfahren zur Herstellung eines aromatischen Polyamingemisches |
| DE10111337A1 (de) * | 2001-03-08 | 2002-09-12 | Basf Ag | Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI |
| DE10141620A1 (de) | 2001-08-24 | 2003-03-06 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
| 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 |
| DE102005014244A1 (de) * | 2005-03-30 | 2006-10-05 | 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 |
| 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 |
| 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 |
| 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 |
| KR101232431B1 (ko) * | 2005-05-30 | 2013-02-12 | 헌트스만 인터내셔날, 엘엘씨 | 디페닐메탄 계열의 폴리이소시아네이트의 제조 방법 |
| DE102005055189A1 (de) * | 2005-11-19 | 2007-05-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat |
| CA2630801C (en) * | 2005-12-08 | 2013-04-02 | Huntsman International Llc | Process for preparing diaminodiphenylmethanes |
| DE102006004047A1 (de) * | 2006-01-28 | 2007-08-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| DE102006004041A1 (de) * | 2006-01-28 | 2007-08-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| MX2009004261A (es) | 2006-10-26 | 2009-05-05 | Basf Se | Proceso para preparar isocianatos. |
| US8173833B2 (en) * | 2006-11-07 | 2012-05-08 | Basf Aktiengesellschaft | Method for the production of isocyanates |
| CN101583591B (zh) | 2007-01-08 | 2014-01-08 | 巴斯夫欧洲公司 | 制备二苯甲烷二胺的方法 |
| 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. |
| EP2042485A1 (en) | 2007-09-28 | 2009-04-01 | Huntsman International Llc | Process for fractionating a mixture of polyisocyanates |
| 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 |
| CN102046588A (zh) * | 2008-05-26 | 2011-05-04 | 巴斯夫欧洲公司 | 制备二苯基甲烷二胺的方法 |
| JP5416830B2 (ja) * | 2009-04-24 | 2014-02-12 | ビーエーエスエフ ソシエタス・ヨーロピア | 色の安定なｍｄａとｍｄｉの製造方法 |
| US8829243B2 (en) * | 2009-09-02 | 2014-09-09 | Huntsman International Llc | Method for removing methylene-bridged polyphenyl polyamines from an aqueous stream |
| WO2011048134A1 (de) | 2009-10-20 | 2011-04-28 | Basf Se | Verfahren zur herstellung und bevorzugt destillativen aufarbeitung von diphenylmethan-diisocyanat (mdi) |
| WO2011067369A1 (de) | 2009-12-04 | 2011-06-09 | 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 |
| US8907124B2 (en) | 2010-11-17 | 2014-12-09 | Basf Se | Process for preparing methylenedi(phenyl isocyanate) |
| JP5931898B2 (ja) | 2010-11-17 | 2016-06-08 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | メチレンジ（フェニルイソシアネート）の製造方法 |
| JP5850345B2 (ja) * | 2010-12-29 | 2016-02-03 | ワンホア ケミカル グループ カンパニー リミテッド | 高速混合反応器およびその使用 |
| US8933262B2 (en) | 2011-05-24 | 2015-01-13 | Basf Se | Process for preparing polyisocyanates from biomass |
| JP2014520086A (ja) | 2011-05-24 | 2014-08-21 | ビーエーエスエフ ソシエタス・ヨーロピア | バイオマスからポリイソシアナートを製造する方法 |
| 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 |
| KR20150142004A (ko) | 2013-04-11 | 2015-12-21 | 코베스트로 도이칠란트 아게 | 디페닐메탄 계열의 디아민 및 폴리아민의 제조 방법 |
| KR20150142005A (ko) | 2013-04-11 | 2015-12-21 | 코베스트로 도이칠란트 아게 | 디페닐메탄 계열의 디- 및 폴리아민의 제조 방법 |
| EP2989078B1 (de) | 2013-04-24 | 2017-12-27 | Covestro Deutschland AG | Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe |
| CN106458844B (zh) | 2014-06-24 | 2019-01-15 | 科思创德国股份有限公司 | 用于制备二苯基甲烷系列的二胺和多胺的方法 |
| HUE058168T2 (hu) * | 2014-06-24 | 2022-07-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás difenilmetán sorozatba tartozó di- és poliamidok elõállítására |
| US10513487B2 (en) | 2014-06-24 | 2019-12-24 | Covestro Deutschland Ag | Methods for producing chemical products with operation interruptions |
| CN106458845B (zh) * | 2014-06-24 | 2019-10-22 | 科思创德国股份有限公司 | 用于制备二苯基甲烷系列的二胺和多胺的方法 |
| WO2017085170A1 (de) | 2015-11-20 | 2017-05-26 | Covestro Deutschland Ag | Verfahren zur herstellung von aminobenzoesäure oder eines aminobenzoesäurederivats |
| US11028042B2 (en) | 2016-01-20 | 2021-06-08 | Basf Se | Process for preparing an aromatic polyamine mixture |
| BR112018077149B1 (pt) | 2016-06-29 | 2022-10-18 | Covestro Deutschland Ag | Processo para produção de anilina ou de outros produtos derivados da anilina |
| HUE055741T2 (hu) | 2016-08-17 | 2021-12-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás és berendezés különféle vegyi termékek elõállítására |
| CN109689615B (zh) * | 2016-09-14 | 2022-11-18 | 巴斯夫欧洲公司 | 在无色胺存在下氢化混合物的方法 |
| US10968466B2 (en) | 2016-12-20 | 2021-04-06 | Covestro Deutschland Ag | Process for preparing aminobenzoic acid or an aminobenzoic acid conversion product |
| CN110088078B (zh) | 2016-12-22 | 2022-09-09 | 科思创德国股份有限公司 | 生产二苯基甲烷系列的二胺和多胺的方法 |
| US10640453B2 (en) | 2016-12-22 | 2020-05-05 | Covestro Deutschland Ag | Method of producing diamines and polyamines of the diphenylmethane series |
| CN110291063B (zh) | 2016-12-22 | 2022-07-05 | 科思创德国股份有限公司 | 在不同的生产能力下制备二苯基甲烷系列的二胺和多胺的方法 |
| 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 |
| WO2019234092A1 (de) | 2018-06-07 | 2019-12-12 | Covestro Deutschland Ag | Verfahren zur herstellung von aminobenzoesäure oder eines aminobenzosäure-folgeprodukts |
| CA3104052A1 (en) | 2018-07-27 | 2020-01-30 | Covestro Intellectual Property Gmbh & Co. Kg | Method for producing aniline or an aniline derivative |
| 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 |
| WO2022248448A1 (en) * | 2021-05-25 | 2022-12-01 | 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 |
| US11542223B1 (en) | 2022-07-21 | 2023-01-03 | Covestro Llc | Process for preparing di- and polyamines of the diphenyl methane series |
| EP4345088B1 (en) | 2022-09-29 | 2025-10-22 | Covestro Deutschland AG | A process for preparing di- and polyamines of the diphenyl methane series |
| WO2025073928A1 (en) | 2023-10-06 | 2025-04-10 | Basf Se | Process for preparing mda |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE295628C (enExample) | ||||
| DE238042C (enExample) | ||||
| BE755243Q (fr) * | 1965-07-08 | 1971-02-01 | Upjohn Co | Procedes de fabrication d'isocyanates et de polyisocyanates |
| GB1298258A (en) | 1970-08-07 | 1972-11-29 | Ici Ltd | Manufacture of polyamines |
| BE794328A (fr) * | 1972-01-28 | 1973-07-19 | Ici Ltd | Procede de production de polyarylamines a pont methylenique |
| DE2426116B2 (de) | 1973-06-01 | 1978-05-11 | Efim Freiburg Biller (Schweiz) | Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminen |
| US4189354A (en) * | 1976-07-10 | 1980-02-19 | Bayer Aktiengesellschaft | Process for the production of diisocyanatodiphenyl methane isomers with an adjusted content of chlorine compounds |
| DE2750975A1 (de) * | 1976-11-19 | 1978-05-24 | Mobay Chemical Corp | Verfahren zur herstellung von polyaminen der diphenylmethan-reihe |
| DD238042B1 (de) * | 1985-06-05 | 1987-09-30 | Schwarzheide Synthesewerk Veb | Verfahren zur kontinuierlichen herstellung von hochwertigen aromatischen isocyanaten |
| DD295628A5 (de) | 1986-12-15 | 1991-11-07 | Basf Schwarzheide Gmbh,De | Verfahren zur diskontinuierlichen herstellung von methylendianilin/polyamingemischen |
| JP2825604B2 (ja) * | 1990-04-11 | 1998-11-18 | 三井化学株式会社 | メチレン架橋されたポリアリールアミンの製造方法 |
| EP0451422A1 (en) | 1990-04-13 | 1991-10-16 | Merrell Dow Pharmaceuticals Inc. | Pharmaceutically active fluoromethyltyrosine compounds |
| DE4021712A1 (de) * | 1990-07-07 | 1992-01-09 | Basf Ag | Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenol-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl |
| ES2067117T3 (es) * | 1991-10-19 | 1995-03-16 | Basf Corp | Proceso para la preparacion de diisocianato de metilendifenileno polimero que tiene color y contenido de cloruro reducidos. |
| US5286760A (en) | 1992-10-09 | 1994-02-15 | Miles, Inc. | Process for reducing impurity levels in methylene diphenyamines |
| KR0147558B1 (ko) * | 1992-10-23 | 1998-10-15 | 윤종용 | 테이프 레코더의 슬라이더 하우징 록킹장치 |
| JP3037065B2 (ja) * | 1994-05-26 | 2000-04-24 | 三井化学株式会社 | メチレン架橋ポリフェニレンポリイソシアネートの製造方法 |
| EP0792263B1 (de) * | 1994-11-17 | 1999-08-18 | Bayer Ag | Verfahren zur herstellung von isocyanaten |
| DE19523851A1 (de) * | 1995-06-30 | 1997-01-02 | Basf Ag | Verfahren zur Herstellung von Mischungen aus Diphenylmethan-diisocyanaten und Polyphenyl-polymethylen-polyisocyanaten mit einer verminderten Iodfarbzahl und einem reduzierten Chlorgehalt |
| DE19804915A1 (de) * | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) |
-
1998
- 1998-02-07 DE DE19804915A patent/DE19804915A1/de not_active Withdrawn
-
1999
- 1999-01-26 WO PCT/EP1999/000472 patent/WO1999040059A1/de not_active Ceased
- 1999-01-26 EP EP99906202A patent/EP1053222B1/de not_active Expired - Lifetime
- 1999-01-26 CN CNB2004100317075A patent/CN1266124C/zh not_active Expired - Lifetime
- 1999-01-26 DE DE59911344T patent/DE59911344D1/de not_active Expired - Lifetime
- 1999-01-26 PT PT02022029T patent/PT1270544E/pt unknown
- 1999-01-26 BR BR9907634-9A patent/BR9907634A/pt not_active Application Discontinuation
- 1999-01-26 CN CNB998027669A patent/CN1151119C/zh not_active Expired - Lifetime
- 1999-01-26 PT PT99906202T patent/PT1053222E/pt unknown
- 1999-01-26 AU AU26217/99A patent/AU2621799A/en not_active Abandoned
- 1999-01-26 KR KR1020007008609A patent/KR100555814B1/ko not_active Expired - Lifetime
- 1999-01-26 ES ES99906202T patent/ES2198894T3/es not_active Expired - Lifetime
- 1999-01-26 DE DE59905323T patent/DE59905323D1/de not_active Expired - Lifetime
- 1999-01-26 ES ES02022029T patent/ES2234969T3/es not_active Expired - Lifetime
- 1999-01-26 EP EP02022029A patent/EP1270544B1/de not_active Expired - Lifetime
- 1999-01-26 JP JP2000530491A patent/JP4731684B2/ja not_active Expired - Fee Related
- 1999-01-26 US US09/601,097 patent/US6433219B1/en not_active Expired - Lifetime
- 1999-01-26 CA CA002320477A patent/CA2320477A1/en not_active Abandoned
-
2000
- 2000-08-04 MX MXPA00007646 patent/MXPA00007646A/es unknown
-
2002
- 2002-05-21 US US10/152,489 patent/US6831192B2/en not_active Expired - Lifetime
-
2004
- 2004-05-11 US US10/843,046 patent/US7230130B2/en not_active Expired - Lifetime
-
2010
- 2010-08-04 JP JP2010175044A patent/JP5449082B2/ja not_active Expired - Fee Related
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