PT737667E - Fraccionamento e purificacao de misturas de poliaminas arometicas e utilizacao destas - Google Patents

Fraccionamento e purificacao de misturas de poliaminas arometicas e utilizacao destas

Info

Publication number
PT737667E
PT737667E PT96104874T PT96104874T PT737667E PT 737667 E PT737667 E PT 737667E PT 96104874 T PT96104874 T PT 96104874T PT 96104874 T PT96104874 T PT 96104874T PT 737667 E PT737667 E PT 737667E
Authority
PT
Portugal
Prior art keywords
fractioning
purification
aromatic polyamine
polyamine mixtures
mixtures
Prior art date
Application number
PT96104874T
Other languages
English (en)
Inventor
Hartmut Knofel
Michael Brockelt
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of PT737667E publication Critical patent/PT737667E/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Artificial Filaments (AREA)
PT96104874T 1995-04-07 1996-03-27 Fraccionamento e purificacao de misturas de poliaminas arometicas e utilizacao destas PT737667E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19513269A DE19513269A1 (de) 1995-04-07 1995-04-07 Fraktionierung und Reinigung von aromatischen Polyamingemischen und deren Verwendung

Publications (1)

Publication Number Publication Date
PT737667E true PT737667E (pt) 2002-04-29

Family

ID=7759187

Family Applications (1)

Application Number Title Priority Date Filing Date
PT96104874T PT737667E (pt) 1995-04-07 1996-03-27 Fraccionamento e purificacao de misturas de poliaminas arometicas e utilizacao destas

Country Status (6)

Country Link
US (1) US5684180A (pt)
EP (1) EP0737667B1 (pt)
JP (1) JPH08283211A (pt)
DE (2) DE19513269A1 (pt)
ES (1) ES2167478T3 (pt)
PT (1) PT737667E (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2777560B1 (fr) * 1998-04-17 2000-06-09 Rhodia Chimie Sa Procede de purification de polyamines aromatiques
US6359177B1 (en) 2000-12-15 2002-03-19 Bayer Corporation Process for separating mixtures of materials having different boiling points
EP2062869A1 (en) * 2007-09-19 2009-05-27 Huntsman International Llc Process for the production of di-and polyamines of the diphenylmethane series
EP2039676A1 (en) 2007-09-19 2009-03-25 Huntsman International Llc Process for the production of di-and polyamines of the diphenylmethane series

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787314A (fr) * 1971-08-09 1973-02-08 Klamer R B Jouet educatif
CA1004234A (en) * 1972-08-04 1977-01-25 Bayer Aktiengesellschaft Process for the production of polyamines
DE2528694C2 (de) * 1975-06-27 1982-04-22 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von mehrkernigen aromatischen Polyaminen
NL7703121A (nl) * 1977-03-23 1978-09-26 Akzo Nv Werkwijze voor het zuiveren van verontreinigd p-fenyleendiamine.
DE2962512D1 (en) * 1978-09-12 1982-05-27 Sulzer Ag Process for the preparation of methylene-bridge polyaryl amines
DE3812083A1 (de) * 1988-04-12 1989-10-26 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
DE4112131A1 (de) * 1991-04-13 1992-10-15 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
DE4112130A1 (de) * 1991-04-13 1992-10-15 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen

Also Published As

Publication number Publication date
EP0737667A1 (de) 1996-10-16
DE19513269A1 (de) 1996-10-10
ES2167478T3 (es) 2002-05-16
US5684180A (en) 1997-11-04
EP0737667B1 (de) 2001-11-07
JPH08283211A (ja) 1996-10-29
DE59608099D1 (de) 2001-12-13

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