FR2375197A1 - Procede de fabrication d'isocyanates aliphatiques - Google Patents

Procede de fabrication d'isocyanates aliphatiques

Info

Publication number
FR2375197A1
FR2375197A1 FR7639801A FR7639801A FR2375197A1 FR 2375197 A1 FR2375197 A1 FR 2375197A1 FR 7639801 A FR7639801 A FR 7639801A FR 7639801 A FR7639801 A FR 7639801A FR 2375197 A1 FR2375197 A1 FR 2375197A1
Authority
FR
France
Prior art keywords
aliphatic isocyanates
manufacturing aliphatic
isocyanates
preparation
aliphatic
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
FR7639801A
Other languages
English (en)
Other versions
FR2375197B1 (fr
Inventor
Michel Crochemore
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.)
Bayer CropScience SA
Original Assignee
Philagro SA
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 Philagro SA filed Critical Philagro SA
Priority to FR7639801A priority Critical patent/FR2375197A1/fr
Priority to US05/859,930 priority patent/US4151193A/en
Priority to IL53662A priority patent/IL53662A/xx
Priority to GB53227/77A priority patent/GB1552740A/en
Priority to CH1581677A priority patent/CH627154A5/fr
Priority to NL7714279A priority patent/NL7714279A/xx
Priority to BE183834A priority patent/BE862306A/fr
Priority to JP52157167A priority patent/JPS5839151B2/ja
Priority to DE2758171A priority patent/DE2758171C2/de
Priority to AT932277A priority patent/AT355004B/de
Publication of FR2375197A1 publication Critical patent/FR2375197A1/fr
Application granted granted Critical
Publication of FR2375197B1 publication Critical patent/FR2375197B1/fr
Granted 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
    • C07C263/06—Preparation of derivatives of isocyanic acid from or via ureas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procédé de préparation d'isocyanates aliphatiques ou cycloaliphatiques. Procedé de préparation d'isocyanates aliphatiques par phosgénation d'urées substituées symétriques, caractérisé en ce qu'on fait réagir en une seule étape du phosgène sur une urée NN' disubstituée symétrique selon le schéma suivant :
FR7639801A 1976-12-27 1976-12-27 Procede de fabrication d'isocyanates aliphatiques Granted FR2375197A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7639801A FR2375197A1 (fr) 1976-12-27 1976-12-27 Procede de fabrication d'isocyanates aliphatiques
US05/859,930 US4151193A (en) 1976-12-27 1977-12-12 Process for the preparation of aliphatic isocyanates
IL53662A IL53662A (en) 1976-12-27 1977-12-20 Process for the manufacture of alkyl (cycloalkyl isocyanates
CH1581677A CH627154A5 (fr) 1976-12-27 1977-12-21
GB53227/77A GB1552740A (en) 1976-12-27 1977-12-21 Preparation of isocyanates
NL7714279A NL7714279A (nl) 1976-12-27 1977-12-22 Werkwijze ter bereiding van alifatische isocyanaten.
BE183834A BE862306A (fr) 1976-12-27 1977-12-23 Procede de fabrication d'isocyanates aliphatiques
JP52157167A JPS5839151B2 (ja) 1976-12-27 1977-12-26 脂肪族イソシアネ−トの製法
DE2758171A DE2758171C2 (de) 1976-12-27 1977-12-27 Verfahren zur Herstellung von Isopropyl-, tert.-Butyl- oder Cyclohexylisocyanat
AT932277A AT355004B (de) 1976-12-27 1977-12-27 Verfahren zur herstellung von aliphatischen isocyanaten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7639801A FR2375197A1 (fr) 1976-12-27 1976-12-27 Procede de fabrication d'isocyanates aliphatiques

Publications (2)

Publication Number Publication Date
FR2375197A1 true FR2375197A1 (fr) 1978-07-21
FR2375197B1 FR2375197B1 (fr) 1979-04-13

Family

ID=9181844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7639801A Granted FR2375197A1 (fr) 1976-12-27 1976-12-27 Procede de fabrication d'isocyanates aliphatiques

Country Status (10)

Country Link
US (1) US4151193A (fr)
JP (1) JPS5839151B2 (fr)
AT (1) AT355004B (fr)
BE (1) BE862306A (fr)
CH (1) CH627154A5 (fr)
DE (1) DE2758171C2 (fr)
FR (1) FR2375197A1 (fr)
GB (1) GB1552740A (fr)
IL (1) IL53662A (fr)
NL (1) NL7714279A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384999A (en) * 1980-10-09 1983-05-24 Spaziante Placido M Preparation of alkyl isocyanates
JPS61149559U (fr) * 1985-03-07 1986-09-16
CN110832099B (zh) 2017-06-30 2021-08-13 杰富意钢铁株式会社 结构用钢材及结构物
CN110168123B (zh) 2017-12-14 2020-08-25 新日铁住金株式会社 钢材
CN113831263A (zh) * 2021-10-18 2021-12-24 宁夏瑞泰科技股份有限公司 一种采用微通道反应器合成异氰酸正丁酯的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1081451B (de) * 1958-12-19 1960-05-12 Bayer Ag Verfahren zur Herstellung von Di- und Polyisocyanaten
US3275669A (en) * 1962-09-10 1966-09-27 Upjohn Co Preparation of organic isocyanates from n, n'-disubstituted allophanyl chlorides
US3936484A (en) * 1974-09-25 1976-02-03 Atlantic Richfield Company Production of isocyanates from substituted ureas

Also Published As

Publication number Publication date
GB1552740A (en) 1979-09-19
JPS5382723A (en) 1978-07-21
US4151193A (en) 1979-04-24
FR2375197B1 (fr) 1979-04-13
JPS5839151B2 (ja) 1983-08-27
CH627154A5 (fr) 1981-12-31
IL53662A0 (en) 1978-03-10
AT355004B (de) 1980-02-11
BE862306A (fr) 1978-06-23
IL53662A (en) 1981-09-13
DE2758171C2 (de) 1985-08-08
ATA932277A (de) 1979-07-15
NL7714279A (nl) 1978-06-29
DE2758171A1 (de) 1978-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse