CA964656A - Process for the purification of caprolactam - Google Patents

Process for the purification of caprolactam

Info

Publication number
CA964656A
CA964656A CA127,089A CA127089A CA964656A CA 964656 A CA964656 A CA 964656A CA 127089 A CA127089 A CA 127089A CA 964656 A CA964656 A CA 964656A
Authority
CA
Canada
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
CA127,089A
Other languages
English (en)
Other versions
CA127089S (en
Inventor
Otto Immel
Hans-Helmut Schwarz
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.)
Bayer AG
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
Application granted granted Critical
Publication of CA964656A publication Critical patent/CA964656A/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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA127,089A 1970-05-13 1971-11-08 Process for the purification of caprolactam Expired CA964656A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702023344 DE2023344A1 (de) 1970-05-13 1970-05-13 Verfahren zur Reinigung von Caprolactam
FR7140161A FR2159180A1 (en) 1970-05-13 1971-11-09 Epsilon caprolactam purificn - by crystallisation from aromatic solvent and distillation

Publications (1)

Publication Number Publication Date
CA964656A true CA964656A (en) 1975-03-18

Family

ID=25759133

Family Applications (1)

Application Number Title Priority Date Filing Date
CA127,089A Expired CA964656A (en) 1970-05-13 1971-11-08 Process for the purification of caprolactam

Country Status (3)

Country Link
CA (1) CA964656A (enExample)
DE (1) DE2023344A1 (enExample)
FR (1) FR2159180A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7505130A (nl) * 1975-05-01 1976-11-03 Stamicarbon Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan.
TW215084B (en) * 1992-04-17 1993-10-21 Sumitomo Chemical Co Process for producing a high purity caprolactam

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1490312A (fr) * 1965-09-11 1967-07-28 Zimmer Ag Hans J Procédé perfectionné de purification de l'epsilon-caprolactame

Also Published As

Publication number Publication date
DE2023344A1 (de) 1971-11-25
FR2159180B1 (enExample) 1976-03-26
FR2159180A1 (en) 1973-06-22

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