IT1147624B - Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati - Google Patents

Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati

Info

Publication number
IT1147624B
IT1147624B IT47810/82A IT4781082A IT1147624B IT 1147624 B IT1147624 B IT 1147624B IT 47810/82 A IT47810/82 A IT 47810/82A IT 4781082 A IT4781082 A IT 4781082A IT 1147624 B IT1147624 B IT 1147624B
Authority
IT
Italy
Prior art keywords
procedure
corresponding isocyanates
aromatic carbamates
converting aromatic
carbamates
Prior art date
Application number
IT47810/82A
Other languages
English (en)
Other versions
IT8247810A0 (it
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 IT8247810A0 publication Critical patent/IT8247810A0/it
Application granted granted Critical
Publication of IT1147624B publication Critical patent/IT1147624B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/04Preparation 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)
IT47810/82A 1982-01-28 1982-02-17 Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati IT1147624B (it)

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 (2)

Publication Number Publication Date
IT8247810A0 IT8247810A0 (it) 1982-02-17
IT1147624B true IT1147624B (it) 1986-11-19

Family

ID=23346698

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47810/82A IT1147624B (it) 1982-01-28 1982-02-17 Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati

Country Status (9)

Country Link
JP (1) JPS58128354A (it)
AU (1) AU8054682A (it)
BR (1) BR8200861A (it)
CA (1) CA1176647A (it)
ES (1) ES509683A0 (it)
FR (1) FR2520359A1 (it)
GB (1) GB2113673B (it)
IT (1) IT1147624B (it)
NL (1) NL8200630A (it)

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
GB2113673A (en) 1983-08-10
FR2520359B3 (it) 1985-02-15
NL8200630A (nl) 1983-08-16
BR8200861A (pt) 1983-10-18
ES8304927A1 (es) 1983-03-16
JPS58128354A (ja) 1983-07-30
FR2520359A1 (fr) 1983-07-29
ES509683A0 (es) 1983-03-16
IT8247810A0 (it) 1982-02-17
CA1176647A (en) 1984-10-23
AU8054682A (en) 1983-08-04
GB2113673B (en) 1986-08-06

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