NO173987C - Fremgangsmaate for destillasjon av isocyanat-raakonsentrater - Google Patents

Fremgangsmaate for destillasjon av isocyanat-raakonsentrater

Info

Publication number
NO173987C
NO173987C NO904785A NO904785A NO173987C NO 173987 C NO173987 C NO 173987C NO 904785 A NO904785 A NO 904785A NO 904785 A NO904785 A NO 904785A NO 173987 C NO173987 C NO 173987C
Authority
NO
Norway
Prior art keywords
isocyanate
residue
liquid
distillation
mixture
Prior art date
Application number
NO904785A
Other languages
English (en)
Norwegian (no)
Other versions
NO173987B (no
NO904785L (no
NO904785D0 (no
Inventor
Stephen A Dibiase
Gregory M Stansfield
Larry W Arndt
Louis A Renbaum
Original Assignee
Lubrizol Corp
Mobay Corp
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 Lubrizol Corp, Mobay Corp filed Critical Lubrizol Corp
Publication of NO904785L publication Critical patent/NO904785L/no
Publication of NO904785D0 publication Critical patent/NO904785D0/no
Publication of NO173987B publication Critical patent/NO173987B/no
Publication of NO173987C publication Critical patent/NO173987C/no

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)
  • Lubricants (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
NO904785A 1989-03-03 1990-11-02 Fremgangsmaate for destillasjon av isocyanat-raakonsentrater NO173987C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31901189A 1989-03-03 1989-03-03
PCT/US1990/000815 WO1990009990A1 (en) 1989-03-03 1990-02-21 A process for distillation of crude isocyanate concentrates

Publications (4)

Publication Number Publication Date
NO904785L NO904785L (no) 1990-11-02
NO904785D0 NO904785D0 (no) 1990-11-02
NO173987B NO173987B (no) 1993-11-22
NO173987C true NO173987C (no) 1994-03-02

Family

ID=23240506

Family Applications (1)

Application Number Title Priority Date Filing Date
NO904785A NO173987C (no) 1989-03-03 1990-11-02 Fremgangsmaate for destillasjon av isocyanat-raakonsentrater

Country Status (12)

Country Link
EP (1) EP0425596B1 (pt)
JP (1) JP3001970B2 (pt)
KR (1) KR920700195A (pt)
AT (1) ATE122336T1 (pt)
AU (1) AU638000B2 (pt)
BR (1) BR9005679A (pt)
CA (1) CA2028819A1 (pt)
DE (1) DE69019295T2 (pt)
ES (2) ES2073021T3 (pt)
MX (1) MX173725B (pt)
NO (1) NO173987C (pt)
WO (1) WO1990009990A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142769A1 (de) * 1991-12-23 1993-06-24 Bayer Hispania Ind S A Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes
CN114605288B (zh) * 2020-12-03 2024-02-02 万华化学集团股份有限公司 一种异氰酸酯聚合物的高效分离回收工艺及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810681A (en) * 1956-08-17 1957-10-22 Du Pont Chemical process
US2884359A (en) * 1956-10-31 1959-04-28 Gen Aniline & Film Corp Recovery of organic isocyanates
CA998060A (en) * 1970-05-22 1976-10-05 Carl F. Irwin Recovery of organic isocyanate
DE2846815A1 (de) * 1978-10-27 1980-05-08 Ayer Ag Verfahren zur aufarbeitung von isocyanat-destillationsrueckstaenden
DE2846814A1 (de) * 1978-10-27 1980-05-08 Bayer Ag Suspensionen von isocyanat-destillationsrueckstaenden in polyolen
US4234435A (en) * 1979-02-23 1980-11-18 The Lubrizol Corporation Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation

Also Published As

Publication number Publication date
BR9005679A (pt) 1991-08-06
JPH03505217A (ja) 1991-11-14
ATE122336T1 (de) 1995-05-15
ES2058036A6 (es) 1994-10-16
NO173987B (no) 1993-11-22
AU5150990A (en) 1990-09-26
NO904785L (no) 1990-11-02
EP0425596B1 (en) 1995-05-10
WO1990009990A1 (en) 1990-09-07
MX173725B (es) 1994-03-23
ES2073021T3 (es) 1995-08-01
NO904785D0 (no) 1990-11-02
KR920700195A (ko) 1992-02-19
AU638000B2 (en) 1993-06-17
JP3001970B2 (ja) 2000-01-24
CA2028819A1 (en) 1990-09-04
DE69019295T2 (de) 1995-11-02
EP0425596A1 (en) 1991-05-08
DE69019295D1 (de) 1995-06-14

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