CH446342A - Process for making pure lactams - Google Patents

Process for making pure lactams

Info

Publication number
CH446342A
CH446342A CH1409964A CH1409964A CH446342A CH 446342 A CH446342 A CH 446342A CH 1409964 A CH1409964 A CH 1409964A CH 1409964 A CH1409964 A CH 1409964A CH 446342 A CH446342 A CH 446342A
Authority
CH
Switzerland
Prior art keywords
making pure
lactams
pure lactams
making
pure
Prior art date
Application number
CH1409964A
Other languages
German (de)
Inventor
Helmut Dr Schwarz Hans
Karl Dr Morgenstern
Joachim Dr Schneider
Hermann Dr Schnell
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 CH446342A publication Critical patent/CH446342A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1409964A 1963-11-29 1964-10-30 Process for making pure lactams CH446342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0041419 1963-11-29

Publications (1)

Publication Number Publication Date
CH446342A true CH446342A (en) 1967-11-15

Family

ID=7098665

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1409964A CH446342A (en) 1963-11-29 1964-10-30 Process for making pure lactams

Country Status (4)

Country Link
BE (1) BE656269A (en)
CH (1) CH446342A (en)
GB (1) GB1021709A (en)
NL (1) NL6413634A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT956940B (en) * 1972-06-28 1973-10-10 Snia Viscosa PROCEDURE FOR THE EXTRACTION OF LACTAMES FROM ACID REACTION MIXTURES
TW420662B (en) † 1996-02-17 2001-02-01 Du Pont Recovery of <epsilon>-caprolactam
CN104387322A (en) * 2014-10-21 2015-03-04 湖南百利工程科技股份有限公司 Preparation method for caprolactam with low byproducts of ammonium sulfate

Also Published As

Publication number Publication date
NL6413634A (en) 1965-05-31
BE656269A (en) 1965-03-16
GB1021709A (en) 1966-03-09

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