CA962676A - Process for purifying lactams - Google Patents

Process for purifying lactams

Info

Publication number
CA962676A
CA962676A CA124,069A CA124069A CA962676A CA 962676 A CA962676 A CA 962676A CA 124069 A CA124069 A CA 124069A CA 962676 A CA962676 A CA 962676A
Authority
CA
Canada
Prior art keywords
purifying lactams
lactams
purifying
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
CA124,069A
Other languages
English (en)
Other versions
CA124069S (en
Inventor
Hans-Joachim Schultze
Ruthild Henn
Clau Berther
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.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
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 Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Application granted granted Critical
Publication of CA962676A publication Critical patent/CA962676A/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)
  • Pyrrole Compounds (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Cephalosporin Compounds (AREA)
CA124,069A 1970-10-01 1971-09-30 Process for purifying lactams Expired CA962676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1455070A CH547805A (de) 1970-10-01 1970-10-01 Verfahren zur reinigung von lactamen.

Publications (1)

Publication Number Publication Date
CA962676A true CA962676A (en) 1975-02-11

Family

ID=4401749

Family Applications (1)

Application Number Title Priority Date Filing Date
CA124,069A Expired CA962676A (en) 1970-10-01 1971-09-30 Process for purifying lactams

Country Status (18)

Country Link
US (1) US3794647A (xx)
JP (1) JPS4915276B1 (xx)
AT (1) AT311376B (xx)
AU (1) AU457339B2 (xx)
BE (1) BE773264A (xx)
BG (1) BG26000A3 (xx)
CA (1) CA962676A (xx)
CH (1) CH547805A (xx)
CS (1) CS176170B2 (xx)
DE (1) DE2148717B2 (xx)
ES (1) ES395584A1 (xx)
FR (1) FR2112238B1 (xx)
GB (1) GB1318459A (xx)
IE (1) IE35686B1 (xx)
NL (1) NL7113365A (xx)
PL (1) PL88944B1 (xx)
RO (1) RO57818A (xx)
YU (1) YU34507B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794622A (fr) * 1972-01-28 1973-07-26 Bayer Ag Procede de purification du caprolactame
DE2641454A1 (de) * 1976-09-15 1978-03-23 Bayer Ag Verfahren zur reinigung von epsilon-caprolactam
JPS5341599A (en) * 1976-09-28 1978-04-15 Minoru Ban Polymerizating method for grafting to cloth
DE2845075A1 (de) * 1978-10-17 1980-05-08 Basf Ag Verfahren zur reinigung von rohcaprolactam
DE3729853A1 (de) * 1987-09-05 1989-03-23 Basf Ag Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen
TW215084B (en) * 1992-04-17 1993-10-21 Sumitomo Chemical Co Process for producing a high purity caprolactam
JP4182273B2 (ja) * 2000-06-27 2008-11-19 住友化学株式会社 ε−カプロラクタムの製造方法
EP2004599B1 (de) * 2006-04-06 2011-11-09 Basf Se Verfahren zur Herstellung eines Nn-Alkyl-Lactams mit verbesserter Farbqualität

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861988A (en) * 1958-11-25 Caprolactam manufacture

Also Published As

Publication number Publication date
BE773264A (fr) 1972-01-17
AU457339B2 (en) 1975-01-23
IE35686B1 (en) 1976-04-28
IE35686L (en) 1972-04-01
AU3406371A (en) 1973-04-05
NL7113365A (xx) 1972-04-05
ES395584A1 (es) 1974-02-16
YU245971A (en) 1979-02-28
JPS4915276B1 (xx) 1974-04-13
AT311376B (de) 1973-11-12
GB1318459A (en) 1973-05-31
DE2148717B2 (de) 1976-02-05
YU34507B (en) 1979-09-10
RO57818A (xx) 1975-03-15
FR2112238B1 (xx) 1974-03-15
CH547805A (de) 1974-04-11
US3794647A (en) 1974-02-26
BG26000A3 (xx) 1979-01-12
DE2148717A1 (de) 1972-04-06
CS176170B2 (xx) 1977-06-30
FR2112238A1 (xx) 1972-06-16
PL88944B1 (xx) 1976-10-30

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