GB1537994A - Purification of caprolactam - Google Patents

Purification of caprolactam

Info

Publication number
GB1537994A
GB1537994A GB1232977A GB1232977A GB1537994A GB 1537994 A GB1537994 A GB 1537994A GB 1232977 A GB1232977 A GB 1232977A GB 1232977 A GB1232977 A GB 1232977A GB 1537994 A GB1537994 A GB 1537994A
Authority
GB
United Kingdom
Prior art keywords
caprolactam
purification
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB1232977A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa 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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of GB1537994A publication Critical patent/GB1537994A/en
Expired legal-status Critical Current

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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1232977A 1976-04-09 1977-03-23 Purification of caprolactam Expired GB1537994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2210876 1976-04-09

Publications (1)

Publication Number Publication Date
GB1537994A true GB1537994A (en) 1979-01-10

Family

ID=11191608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232977A Expired GB1537994A (en) 1976-04-09 1977-03-23 Purification of caprolactam

Country Status (5)

Country Link
BE (1) BE853436A (enrdf_load_stackoverflow)
DE (1) DE2716527A1 (enrdf_load_stackoverflow)
FR (1) FR2347351A1 (enrdf_load_stackoverflow)
GB (1) GB1537994A (enrdf_load_stackoverflow)
NL (1) NL7703643A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5350847A (en) * 1992-09-08 1994-09-27 Basf Aktiengesellschaft Purification of caprolactam

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1087136A (fr) * 1952-11-15 1955-02-21 Stamicarbon Procédé pour purifier des lactames

Also Published As

Publication number Publication date
DE2716527A1 (de) 1977-10-20
NL7703643A (nl) 1977-10-11
BE853436A (fr) 1977-08-01
FR2347351A1 (fr) 1977-11-04
FR2347351B1 (enrdf_load_stackoverflow) 1982-04-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee