PT757034E - Processo para a preparacao de toluenodi-isocianato misturas especiais de toluenodiamina e agua e sua utilizacao na preparacao de toluenodi-isocianato - Google Patents

Processo para a preparacao de toluenodi-isocianato misturas especiais de toluenodiamina e agua e sua utilizacao na preparacao de toluenodi-isocianato

Info

Publication number
PT757034E
PT757034E PT96111809T PT96111809T PT757034E PT 757034 E PT757034 E PT 757034E PT 96111809 T PT96111809 T PT 96111809T PT 96111809 T PT96111809 T PT 96111809T PT 757034 E PT757034 E PT 757034E
Authority
PT
Portugal
Prior art keywords
toluenodi
isocyanate
preparation
toluenodiamine
water
Prior art date
Application number
PT96111809T
Other languages
English (en)
Inventor
Biskup Dr Klaus
Keggenhoff Dr Berthold
Original Assignee
Bayer Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7768754&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT757034(E) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of PT757034E publication Critical patent/PT757034E/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
    • C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
PT96111809T 1995-08-04 1996-07-23 Processo para a preparacao de toluenodi-isocianato misturas especiais de toluenodiamina e agua e sua utilizacao na preparacao de toluenodi-isocianato PT757034E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19528781A DE19528781A1 (de) 1995-08-04 1995-08-04 Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat

Publications (1)

Publication Number Publication Date
PT757034E true PT757034E (pt) 2002-09-30

Family

ID=7768754

Family Applications (1)

Application Number Title Priority Date Filing Date
PT96111809T PT757034E (pt) 1995-08-04 1996-07-23 Processo para a preparacao de toluenodi-isocianato misturas especiais de toluenodiamina e agua e sua utilizacao na preparacao de toluenodi-isocianato

Country Status (15)

Country Link
US (2) US5849947A (pt)
EP (2) EP1090906A1 (pt)
JP (1) JP4095685B2 (pt)
KR (1) KR100453862B1 (pt)
CN (2) CN1070474C (pt)
BR (1) BR9603278A (pt)
CA (1) CA2182654A1 (pt)
CZ (1) CZ292604B6 (pt)
DE (2) DE19528781A1 (pt)
ES (1) ES2176380T3 (pt)
PL (1) PL184186B1 (pt)
PT (1) PT757034E (pt)
RU (1) RU2202537C2 (pt)
TW (1) TW374080B (pt)
UA (1) UA47399C2 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100311692B1 (ko) * 1997-12-23 2001-11-15 신현준 활성탄소 섬유의 제조방법
EP1371633A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
EP1413571B1 (en) * 2002-10-22 2006-08-23 Bayer MaterialScience AG Process for the purification of toluenediisocyanate incorporating a dividing-wall distillation column for the final purification
DE10260093A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
ES2702105T3 (es) * 2005-03-10 2019-02-27 Mitsui Chemicals Inc Proceso para la producción de poliisocianato y equipamiento para la producción del mismo
JP5175033B2 (ja) * 2005-03-10 2013-04-03 三井化学株式会社 ポリイソシアネートの製造方法およびポリイソシアネートの製造装置
HUE033435T2 (en) * 2005-07-12 2017-11-28 Covestro Deutschland Ag Process for preparing toluenediamine
DE102005032430A1 (de) * 2005-07-12 2007-01-25 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiamin
JP4791783B2 (ja) * 2005-08-31 2011-10-12 三井化学株式会社 ポリイソシアネートの製造方法
DE102006022447A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten
US8030522B2 (en) * 2006-06-07 2011-10-04 Bayer Materialscience Llc Process for the production of toluene diisocyanate
CN100455559C (zh) * 2006-11-08 2009-01-28 大连理工大学 芳香族硝基化合物还原制备芳胺的方法
DE102006059678A1 (de) * 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
DE102006060572A1 (de) † 2006-12-19 2008-06-26 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiaminen durch katalytische Hydrierung von Dinitrotoluolen
WO2009069584A1 (ja) * 2007-11-27 2009-06-04 Mitsui Chemicals Polyurethanes, Inc. トリレンジアミンの脱水方法および脱水装置
BRPI0922186A2 (pt) 2008-11-19 2015-12-29 Basf Se processo para preparar um isocianato, e , isocianato
CN101712621B (zh) * 2009-09-02 2012-10-31 甘肃银达化工有限公司 连续制备甲苯二胺的方法
CN101671277B (zh) * 2009-09-18 2011-12-28 天津大学 一种甲苯二异氰酸酯连续生产中热集成的溶剂回收方法
CA2789032A1 (en) * 2010-03-18 2011-09-22 Huntsman International Llc Process for the conversion of aromatic nitro compound into amines
JP5883661B2 (ja) * 2012-01-25 2016-03-15 旭化成ケミカルズ株式会社 Ｎ−置換カルバミン酸エステルの製造方法
CN110234624B (zh) * 2017-01-27 2023-03-21 科思创有限公司 稳定甲苯二胺残留物/水共混物的工艺、相关组合物及这类共混物作为燃料的用途
CN110105248B (zh) * 2019-05-31 2021-07-20 上海应用技术大学 一种甲苯二异氰酸酯的制备方法
EP4151619A1 (en) 2021-09-20 2023-03-22 Covestro Deutschland AG Method for the removal of water from and transport of aliphatic diamines

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976320A (en) * 1957-07-30 1961-03-21 Allied Chem Catalytic hydrogenation of the dinitro derivatives of toluene
GB895197A (en) * 1960-11-25 1962-05-02 Gen Aniline & Film Corp Catalytic reduction of aromatic dinitro compounds
GB1164519A (en) * 1966-07-19 1969-09-17 Inst Chemii Ogolnej Method for preparing Toluylenediisocyanates from Dinitrotoluenes
US4224249A (en) * 1979-05-14 1980-09-23 Air Products And Chemicals, Inc. Toluene diamine from non-washed dinitrotoluene
US4717774A (en) * 1985-12-20 1988-01-05 Basf Corporation Process for the preparation of toluene diamines
DE4230098C1 (pt) * 1992-09-09 1993-06-03 Bayer Ag, 5090 Leverkusen, De
US5449832A (en) * 1994-10-05 1995-09-12 Air Products And Chemicals, Inc. Process for storage and transport of toluenediamine
US5714634A (en) * 1996-06-25 1998-02-03 Air Products And Chemicals, Inc. Process for storage and transport of toluenediamine
US5693862A (en) * 1996-12-18 1997-12-02 Arco Chemical Technology, L.P. Process for transport of toluenediamine

Also Published As

Publication number Publication date
RU2202537C2 (ru) 2003-04-20
DE59609285D1 (de) 2002-07-11
KR100453862B1 (ko) 2005-04-08
CZ229996A3 (en) 1997-02-12
EP0757034B1 (de) 2002-06-05
CZ292604B6 (cs) 2003-11-12
CA2182654A1 (en) 1997-02-05
PL315490A1 (en) 1997-02-17
US6472564B1 (en) 2002-10-29
CN1149579A (zh) 1997-05-14
ES2176380T3 (es) 2002-12-01
TW374080B (pt) 1999-11-11
CN1163470C (zh) 2004-08-25
US5849947A (en) 1998-12-15
CN1070474C (zh) 2001-09-05
UA47399C2 (uk) 2002-07-15
KR970010735A (ko) 1997-03-27
MX195147B (pt) 2000-01-31
EP0757034A1 (de) 1997-02-05
JP4095685B2 (ja) 2008-06-04
EP1090906A1 (de) 2001-04-11
CN1332149A (zh) 2002-01-23
MX9603167A (es) 1997-07-31
DE19528781A1 (de) 1997-02-06
PL184186B1 (pl) 2002-09-30
BR9603278A (pt) 1998-05-12
JPH0952873A (ja) 1997-02-25

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