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ES548710A0 - Un procedimiento mejorado para la preparacion de isocianatos - Google Patents

Un procedimiento mejorado para la preparacion de isocianatos

Info

Publication number
ES548710A0
ES548710A0 ES548710A ES548710A ES548710A0 ES 548710 A0 ES548710 A0 ES 548710A0 ES 548710 A ES548710 A ES 548710A ES 548710 A ES548710 A ES 548710A ES 548710 A0 ES548710 A0 ES 548710A0
Authority
ES
Spain
Prior art keywords
isocyanates
preparation
improved procedure
procedure
improved
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
Application number
ES548710A
Other languages
English (en)
Other versions
ES8703136A1 (es
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of ES548710A0 publication Critical patent/ES548710A0/es
Publication of ES8703136A1 publication Critical patent/ES8703136A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/12—Preparation of derivatives of isocyanic acid from or via nitrogen analogues of carboxylic acids, e.g. from hydroxamic acids, involving a Hofmann, Curtius or Lossen-type rearrangement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ES548710A 1984-11-09 1985-11-08 Un procedimiento mejorado para la preparacion de isocianatos Expired ES8703136A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/669,850 US4537726A (en) 1984-11-09 1984-11-09 Multi-stage process with adiabatic reactors for the preparation of isocyanates

Publications (2)

Publication Number Publication Date
ES548710A0 true ES548710A0 (es) 1987-02-01
ES8703136A1 ES8703136A1 (es) 1987-02-01

Family

ID=24687981

Family Applications (1)

Application Number Title Priority Date Filing Date
ES548710A Expired ES8703136A1 (es) 1984-11-09 1985-11-08 Un procedimiento mejorado para la preparacion de isocianatos

Country Status (11)

Country Link
US (1) US4537726A (es)
EP (1) EP0182537B1 (es)
JP (1) JPS61178956A (es)
KR (1) KR940002980B1 (es)
BR (1) BR8505630A (es)
CA (1) CA1234137A (es)
DE (1) DE3565679D1 (es)
ES (1) ES8703136A1 (es)
IL (1) IL76989A (es)
MX (1) MX164948B (es)
PT (1) PT81456B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683329A (en) * 1986-04-16 1987-07-28 E. I. Dupont De Nemours And Company Beneficial use of water in catalytic conversion of formamides to isocyanates
US5155267A (en) * 1991-10-24 1992-10-13 Arco Chemical Technology, L.P. Synthesis of isocyanate precursors from primary formamides
US7294734B2 (en) * 2003-05-02 2007-11-13 Velocys, Inc. Process for converting a hydrocarbon to an oxygenate or a nitrile
KR100782483B1 (ko) 2006-01-19 2007-12-05 삼성전자주식회사 내부단자 배선을 갖는 패키지 보드 및 이를 채택하는반도체 패키지
JP5746205B2 (ja) * 2009-12-04 2015-07-08 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ イソシアネートの製造方法
EP3495345A1 (en) 2017-12-06 2019-06-12 Covestro Deutschland AG Process for the preparation of di- or polyformamides
JP7261563B2 (ja) * 2018-11-02 2023-04-20 谷川油化興業株式会社 熱交換媒体
WO2023274492A1 (en) 2021-06-28 2023-01-05 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Catalytic synthesis of free isocyanates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207251A (en) * 1977-08-02 1980-06-10 Akzona Incorporated Catalytic oxidation of formamides to form isocyanates
JPS5740451A (en) * 1980-08-22 1982-03-06 Mitsui Toatsu Chem Inc Preparation of organic isocyanate by two-stage process comprising cooling and heating steps
DE3229323A1 (de) * 1982-08-06 1984-02-09 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung aliphatischer isocyanate durch oxidative dehydrierung von formamiden
US4469640A (en) * 1983-03-14 1984-09-04 E. I. Du Pont De Nemours And Company Catalytic conversion of formamides to isocyanates

Also Published As

Publication number Publication date
KR940002980B1 (ko) 1994-04-09
EP0182537B1 (en) 1988-10-19
PT81456A (en) 1985-12-01
CA1234137A (en) 1988-03-15
JPS61178956A (ja) 1986-08-11
PT81456B (pt) 1988-03-03
EP0182537A1 (en) 1986-05-28
DE3565679D1 (en) 1988-11-24
KR860004014A (ko) 1986-06-16
IL76989A (en) 1989-07-31
ES8703136A1 (es) 1987-02-01
IL76989A0 (en) 1986-04-29
MX164948B (es) 1992-10-09
US4537726A (en) 1985-08-27
BR8505630A (pt) 1986-08-12

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060919