IT8721548A0 - CAPROLACTAM PURIFICATION PROCEDURE. - Google Patents

CAPROLACTAM PURIFICATION PROCEDURE.

Info

Publication number
IT8721548A0
IT8721548A0 IT8721548A IT2154887A IT8721548A0 IT 8721548 A0 IT8721548 A0 IT 8721548A0 IT 8721548 A IT8721548 A IT 8721548A IT 2154887 A IT2154887 A IT 2154887A IT 8721548 A0 IT8721548 A0 IT 8721548A0
Authority
IT
Italy
Prior art keywords
purification procedure
caprolactam purification
caprolactam
procedure
purification
Prior art date
Application number
IT8721548A
Other languages
Italian (it)
Other versions
IT1222419B (en
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
Priority to IT21548/87A priority Critical patent/IT1222419B/en
Publication of IT8721548A0 publication Critical patent/IT8721548A0/en
Priority to IN480/MAS/88A priority patent/IN171456B/en
Priority to CA000573088A priority patent/CA1309404C/en
Priority to DE3825524A priority patent/DE3825524A1/en
Priority to AR88311523A priority patent/AR244664A1/en
Priority to BR8803787A priority patent/BR8803787A/en
Priority to ES8802389A priority patent/ES2007278A6/en
Priority to SU884356218A priority patent/SU1709905A3/en
Application granted granted Critical
Publication of IT1222419B publication Critical patent/IT1222419B/en

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)
IT21548/87A 1987-07-31 1987-07-31 CAPROLATTAME PURIFICATION PROCESS IT1222419B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT21548/87A IT1222419B (en) 1987-07-31 1987-07-31 CAPROLATTAME PURIFICATION PROCESS
IN480/MAS/88A IN171456B (en) 1987-07-31 1988-07-08
CA000573088A CA1309404C (en) 1987-07-31 1988-07-26 Process for purifying caprolactam
DE3825524A DE3825524A1 (en) 1987-07-31 1988-07-27 Process for purifying caprolactam
AR88311523A AR244664A1 (en) 1987-07-31 1988-07-27 A procedure for purifying caprolactam.
BR8803787A BR8803787A (en) 1987-07-31 1988-07-29 PROCESS TO PURIFY CAPROLACTAMA
ES8802389A ES2007278A6 (en) 1987-07-31 1988-07-29 Process for purifying caprolactam
SU884356218A SU1709905A3 (en) 1987-07-31 1988-07-29 Method of caprolactam purification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21548/87A IT1222419B (en) 1987-07-31 1987-07-31 CAPROLATTAME PURIFICATION PROCESS

Publications (2)

Publication Number Publication Date
IT8721548A0 true IT8721548A0 (en) 1987-07-31
IT1222419B IT1222419B (en) 1990-09-05

Family

ID=11183439

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21548/87A IT1222419B (en) 1987-07-31 1987-07-31 CAPROLATTAME PURIFICATION PROCESS

Country Status (8)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781796B1 (en) † 1998-07-28 2000-09-22 Rhone Poulenc Fibres LACTAM DEHYDRATION PROCESS
US20050029086A1 (en) * 2001-08-27 2005-02-10 Groot Zevert Louise A Process for distilling alkaline caprolactam product at reduced pressure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1173261B (en) * 1984-02-08 1987-06-18 Snia Bpd Spa CAPROLATTAME PURIFICATION PROCESS

Also Published As

Publication number Publication date
AR244664A1 (en) 1993-11-30
IN171456B (en) 1992-10-17
IT1222419B (en) 1990-09-05
DE3825524A1 (en) 1989-02-09
ES2007278A6 (en) 1989-06-01
SU1709905A3 (en) 1992-01-30
CA1309404C (en) 1992-10-27
BR8803787A (en) 1989-02-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730