DK169700B1 - Fremgangsmåde til fremstilling af organiske isocyanater - Google Patents

Fremgangsmåde til fremstilling af organiske isocyanater Download PDF

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Publication number
DK169700B1
DK169700B1 DK016093A DK16093A DK169700B1 DK 169700 B1 DK169700 B1 DK 169700B1 DK 016093 A DK016093 A DK 016093A DK 16093 A DK16093 A DK 16093A DK 169700 B1 DK169700 B1 DK 169700B1
Authority
DK
Denmark
Prior art keywords
stripping
solution
solvent
alcohol
carbamate
Prior art date
Application number
DK016093A
Other languages
Danish (da)
English (en)
Other versions
DK16093A (da
DK16093D0 (da
Inventor
Arne Them Jensen
Original Assignee
Topsoe Haldor As
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 Topsoe Haldor As filed Critical Topsoe Haldor As
Priority to DK016093A priority Critical patent/DK169700B1/da
Publication of DK16093D0 publication Critical patent/DK16093D0/da
Priority to EP94610004A priority patent/EP0611243B1/de
Priority to DE69401283T priority patent/DE69401283T2/de
Priority to ES94610004T priority patent/ES2098892T3/es
Priority to US08/191,630 priority patent/US5449817A/en
Priority to AU55048/94A priority patent/AU669248B2/en
Priority to JP6016754A priority patent/JP2708709B2/ja
Publication of DK16093A publication Critical patent/DK16093A/da
Application granted granted Critical
Publication of DK169700B1 publication Critical patent/DK169700B1/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DK016093A 1993-02-12 1993-02-12 Fremgangsmåde til fremstilling af organiske isocyanater DK169700B1 (da)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DK016093A DK169700B1 (da) 1993-02-12 1993-02-12 Fremgangsmåde til fremstilling af organiske isocyanater
EP94610004A EP0611243B1 (de) 1993-02-12 1994-01-17 Verfahren zur Herstellung von organischen Isocyanaten
DE69401283T DE69401283T2 (de) 1993-02-12 1994-01-17 Verfahren zur Herstellung von organischen Isocyanaten
ES94610004T ES2098892T3 (es) 1993-02-12 1994-01-17 Procedimiento para la preparacion de isocianatos organicos.
US08/191,630 US5449817A (en) 1993-02-12 1994-02-04 Process for the preparation of organic isocyanates
AU55048/94A AU669248B2 (en) 1993-02-12 1994-02-10 Process for the preparation of organic isocyanates
JP6016754A JP2708709B2 (ja) 1993-02-12 1994-02-10 有機イソシアナートの製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK016093A DK169700B1 (da) 1993-02-12 1993-02-12 Fremgangsmåde til fremstilling af organiske isocyanater
DK16093 1993-02-12

Publications (3)

Publication Number Publication Date
DK16093D0 DK16093D0 (da) 1993-02-12
DK16093A DK16093A (da) 1994-08-13
DK169700B1 true DK169700B1 (da) 1995-01-16

Family

ID=8090441

Family Applications (1)

Application Number Title Priority Date Filing Date
DK016093A DK169700B1 (da) 1993-02-12 1993-02-12 Fremgangsmåde til fremstilling af organiske isocyanater

Country Status (7)

Country Link
US (1) US5449817A (de)
EP (1) EP0611243B1 (de)
JP (1) JP2708709B2 (de)
AU (1) AU669248B2 (de)
DE (1) DE69401283T2 (de)
DK (1) DK169700B1 (de)
ES (1) ES2098892T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1259480B1 (de) 2000-02-29 2005-10-05 Huntsman International Llc Verfahren zur herstellung von organischen polyisocyanaten
ES2187241B1 (es) * 2000-06-01 2004-08-01 Repsol Quimica, S.A. Procedimiento para la produccion de isocianatos.
ES2619508T3 (es) 2007-03-30 2017-06-26 Asahi Kasei Kabushiki Kaisha Procedimiento para producir un isocianato utilizando una composición que comprende un éster de ácido carbámico y un compuesto hidroxiaromático, y composición para el transporte o el almacenamiento de ésteres de ácido carbámico
EP2011782A1 (de) * 2007-07-02 2009-01-07 Huntsman International Llc Verfahren zur Synthese von Carbamaten unter Verwendung con CO2
US9000219B2 (en) * 2009-12-24 2015-04-07 Mitsui Chemicals, Inc. Method for treatment of isocyanate residue, and method for treatment of carbonate
WO2012108453A1 (ja) * 2011-02-09 2012-08-16 宇部興産株式会社 イソシアネート化合物の製造方法
CN102675154B (zh) * 2011-03-11 2013-11-06 中国科学院过程工程研究所 一种氨基甲酸酯热解制备mdi复杂产物的分离精制装置及方法
WO2016156188A1 (de) 2015-03-31 2016-10-06 Basf Se Verfahren zur herstellung von isocyanaten durch carbamatspaltung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668250A (en) * 1969-08-19 1972-06-06 Chemical Construction Corp Urea synthesis process
US4341640A (en) * 1976-09-27 1982-07-27 Standard Oil Company Urea hydrolysis
DE3215591A1 (de) * 1982-04-27 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
JPH0240061B2 (ja) * 1984-05-10 1990-09-10 Asahi Chemical Ind Isoshianaatonorenzokutekiseizohoho
JPH02250857A (ja) * 1989-03-23 1990-10-08 Sumitomo Metal Ind Ltd ポリイソシアネートの製造方法
JPH04253951A (ja) * 1991-02-05 1992-09-09 Asahi Chem Ind Co Ltd カルバミン酸エステルの熱分解方法

Also Published As

Publication number Publication date
JPH072754A (ja) 1995-01-06
US5449817A (en) 1995-09-12
ES2098892T3 (es) 1997-05-01
DE69401283T2 (de) 1997-04-30
DK16093A (da) 1994-08-13
AU669248B2 (en) 1996-05-30
DE69401283D1 (de) 1997-02-13
EP0611243A1 (de) 1994-08-17
EP0611243B1 (de) 1997-01-02
AU5504894A (en) 1994-08-18
DK16093D0 (da) 1993-02-12
JP2708709B2 (ja) 1998-02-04

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Legal Events

Date Code Title Description
A0 Application filed
B1 Patent granted (law 1993)
PBP Patent lapsed