CA998060A - Recovery of organic isocyanate - Google Patents

Recovery of organic isocyanate

Info

Publication number
CA998060A
CA998060A CA108,889A CA108889A CA998060A CA 998060 A CA998060 A CA 998060A CA 108889 A CA108889 A CA 108889A CA 998060 A CA998060 A CA 998060A
Authority
CA
Canada
Prior art keywords
recovery
organic isocyanate
isocyanate
organic
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.)
Expired
Application number
CA108,889A
Other languages
English (en)
Inventor
Carl F. Irwin
William T. Muncaster
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
Application granted granted Critical
Publication of CA998060A publication Critical patent/CA998060A/en
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
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA108,889A 1970-05-22 1971-03-26 Recovery of organic isocyanate Expired CA998060A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3977970A 1970-05-22 1970-05-22
US10373471A 1971-01-04 1971-01-04

Publications (1)

Publication Number Publication Date
CA998060A true CA998060A (en) 1976-10-05

Family

ID=26716446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108,889A Expired CA998060A (en) 1970-05-22 1971-03-26 Recovery of organic isocyanate

Country Status (5)

Country Link
JP (1) JPS5133091B1 (de)
CA (1) CA998060A (de)
DE (1) DE2124498C3 (de)
FR (1) FR2091813A5 (de)
GB (1) GB1331541A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397396A1 (fr) 1977-07-12 1979-02-09 Ugine Kuhlmann Procede de recuperation du toluene diisocyanate a partir des residus de fabrication
FR2625742B1 (fr) * 1988-01-13 1990-06-22 Rhone Poulenc Chimie Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication
JP3001970B2 (ja) * 1989-03-03 2000-01-24 ザ ルブリゾル コーポレーション 粗イソシアネート濃縮物の蒸溜方法
DE10260093A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
US20210284603A1 (en) * 2017-01-18 2021-09-16 Covestro Deutschland Ag Method for extracting diisocyanates from distillation residues

Also Published As

Publication number Publication date
DE2124498C3 (de) 1979-12-20
JPS5133091B1 (de) 1976-09-17
FR2091813A5 (de) 1972-01-14
GB1331541A (en) 1973-09-26
DE2124498B2 (de) 1974-03-14
DE2124498A1 (de) 1972-08-03

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19931005