BR8803787A - Processo para purificar caprolactama - Google Patents

Processo para purificar caprolactama

Info

Publication number
BR8803787A
BR8803787A BR8803787A BR8803787A BR8803787A BR 8803787 A BR8803787 A BR 8803787A BR 8803787 A BR8803787 A BR 8803787A BR 8803787 A BR8803787 A BR 8803787A BR 8803787 A BR8803787 A BR 8803787A
Authority
BR
Brazil
Prior art keywords
caprolactama
purify
purify caprolactama
Prior art date
Application number
BR8803787A
Other languages
English (en)
Portuguese (pt)
Inventor
Paolo Senni
Leandro Zuliani
Sergio Ferruzzi
Original Assignee
Friuli Chim Spa
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 Friuli Chim Spa filed Critical Friuli Chim Spa
Publication of BR8803787A publication Critical patent/BR8803787A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
BR8803787A 1987-07-31 1988-07-29 Processo para purificar caprolactama BR8803787A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21548/87A IT1222419B (it) 1987-07-31 1987-07-31 Procedimento di purificazione del caprolattame

Publications (1)

Publication Number Publication Date
BR8803787A true BR8803787A (pt) 1989-02-21

Family

ID=11183439

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8803787A BR8803787A (pt) 1987-07-31 1988-07-29 Processo para purificar caprolactama

Country Status (8)

Country Link
AR (1) AR244664A1 (es)
BR (1) BR8803787A (es)
CA (1) CA1309404C (es)
DE (1) DE3825524A1 (es)
ES (1) ES2007278A6 (es)
IN (1) IN171456B (es)
IT (1) IT1222419B (es)
SU (1) SU1709905A3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781796B1 (fr) † 1998-07-28 2000-09-22 Rhone Poulenc Fibres Procede de deshydratation de lactame
EP1423361B8 (en) * 2001-08-27 2018-05-23 Cap Iii B.V. Process for recovering caprolactam from aqueous caprolactam product using in situ prepared alkali amino caproate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1173261B (it) * 1984-02-08 1987-06-18 Snia Bpd Spa Procedimento di purificazione del caprolattame

Also Published As

Publication number Publication date
IT8721548A0 (it) 1987-07-31
SU1709905A3 (ru) 1992-01-30
DE3825524A1 (de) 1989-02-09
AR244664A1 (es) 1993-11-30
ES2007278A6 (es) 1989-06-01
IN171456B (es) 1992-10-17
CA1309404C (en) 1992-10-27
IT1222419B (it) 1990-09-05

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG Letter patent granted
TC Change of name
TE Change of address
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 29/07/2003