BR9005679A - Processo para separar e recuperar monomeros de isocianato de concentrados de isocianato - Google Patents

Processo para separar e recuperar monomeros de isocianato de concentrados de isocianato

Info

Publication number
BR9005679A
BR9005679A BR909005679A BR9005679A BR9005679A BR 9005679 A BR9005679 A BR 9005679A BR 909005679 A BR909005679 A BR 909005679A BR 9005679 A BR9005679 A BR 9005679A BR 9005679 A BR9005679 A BR 9005679A
Authority
BR
Brazil
Prior art keywords
isocyanate
isocianate
concentrates
monomers
residue
Prior art date
Application number
BR909005679A
Other languages
English (en)
Inventor
Larry W Arndt
Gregory M Stansfield
Louis A Renbaum
Stephen A Dibiase
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 BR9005679A publication Critical patent/BR9005679A/pt

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)
BR909005679A 1989-03-03 1990-02-21 Processo para separar e recuperar monomeros de isocianato de concentrados de isocianato BR9005679A (pt)

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 (1)

Publication Number Publication Date
BR9005679A true BR9005679A (pt) 1991-08-06

Family

ID=23240506

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909005679A BR9005679A (pt) 1989-03-03 1990-02-21 Processo para separar e recuperar monomeros de isocianato de concentrados de isocianato

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
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
NO173987C (no) 1994-03-02
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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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 30/05/2010