BR8200861A - Processo para produzir pelo menos um isocianato aromatico partir de pelo menos um carbamato aromatico - Google Patents

Processo para produzir pelo menos um isocianato aromatico partir de pelo menos um carbamato aromatico

Info

Publication number
BR8200861A
BR8200861A BR8200861A BR8200861A BR8200861A BR 8200861 A BR8200861 A BR 8200861A BR 8200861 A BR8200861 A BR 8200861A BR 8200861 A BR8200861 A BR 8200861A BR 8200861 A BR8200861 A BR 8200861A
Authority
BR
Brazil
Prior art keywords
aromatic
isocianate
produce
carbamate
aromatic carbamate
Prior art date
Application number
BR8200861A
Other languages
English (en)
Portuguese (pt)
Inventor
Ralph J Spohn
Original Assignee
Exxon Research Engineering 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
Priority claimed from US06/343,584 external-priority patent/US4487713A/en
Application filed by Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of BR8200861A publication Critical patent/BR8200861A/pt

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)
BR8200861A 1982-01-28 1982-02-17 Processo para produzir pelo menos um isocianato aromatico partir de pelo menos um carbamato aromatico BR8200861A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/343,584 US4487713A (en) 1981-06-26 1982-01-28 Production of isocyanates from esters of aromatic carbamic acids (urethanes)

Publications (1)

Publication Number Publication Date
BR8200861A true BR8200861A (pt) 1983-10-18

Family

ID=23346698

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200861A BR8200861A (pt) 1982-01-28 1982-02-17 Processo para produzir pelo menos um isocianato aromatico partir de pelo menos um carbamato aromatico

Country Status (9)

Country Link
JP (1) JPS58128354A (es)
AU (1) AU8054682A (es)
BR (1) BR8200861A (es)
CA (1) CA1176647A (es)
ES (1) ES8304927A1 (es)
FR (1) FR2520359A1 (es)
GB (1) GB2113673B (es)
IT (1) IT1147624B (es)
NL (1) NL8200630A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420114A1 (de) * 1984-05-30 1985-12-05 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von uretdiongruppen aufweisenden polyisocyanaten
CN110467546B (zh) * 2018-05-10 2021-03-19 中国科学院过程工程研究所 一种制备间苯二亚甲基二异氰酸酯的方法
CN110423208A (zh) * 2019-08-15 2019-11-08 中国科学院过程工程研究所 一种二苯甲烷二异氰酸酯的制备方法

Also Published As

Publication number Publication date
IT1147624B (it) 1986-11-19
GB2113673B (en) 1986-08-06
NL8200630A (nl) 1983-08-16
GB2113673A (en) 1983-08-10
ES509683A0 (es) 1983-03-16
CA1176647A (en) 1984-10-23
ES8304927A1 (es) 1983-03-16
JPS58128354A (ja) 1983-07-30
IT8247810A0 (it) 1982-02-17
FR2520359A1 (fr) 1983-07-29
AU8054682A (en) 1983-08-04
FR2520359B3 (es) 1985-02-15

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: C07C 263/04 (2006.01), C07C 265/12 (2006.0