JPS53147085A - Method of purifying caprolactum - Google Patents

Method of purifying caprolactum

Info

Publication number
JPS53147085A
JPS53147085A JP6240978A JP6240978A JPS53147085A JP S53147085 A JPS53147085 A JP S53147085A JP 6240978 A JP6240978 A JP 6240978A JP 6240978 A JP6240978 A JP 6240978A JP S53147085 A JPS53147085 A JP S53147085A
Authority
JP
Japan
Prior art keywords
caprolactum
purifying
purifying caprolactum
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.)
Pending
Application number
JP6240978A
Other languages
English (en)
Inventor
Dantsuigaa Harii
Ururitsuhi Kaizaa Berunto
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
Publication of JPS53147085A publication Critical patent/JPS53147085A/ja
Pending 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP6240978A 1977-05-28 1978-05-26 Method of purifying caprolactum Pending JPS53147085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772724361 DE2724361A1 (de) 1977-05-28 1977-05-28 Reinigung von caprolactam

Publications (1)

Publication Number Publication Date
JPS53147085A true JPS53147085A (en) 1978-12-21

Family

ID=6010216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6240978A Pending JPS53147085A (en) 1977-05-28 1978-05-26 Method of purifying caprolactum

Country Status (7)

Country Link
JP (1) JPS53147085A (ja)
BE (1) BE867528A (ja)
DE (1) DE2724361A1 (ja)
ES (1) ES470183A1 (ja)
FR (1) FR2392010A1 (ja)
IT (1) IT7849565A0 (ja)
NL (1) NL7805812A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04187671A (ja) * 1990-11-21 1992-07-06 Ube Ind Ltd ラクタム油の精製方法
JPH04187672A (ja) * 1990-11-21 1992-07-06 Ube Ind Ltd ラクタム含有溶液の精製方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026538A1 (de) * 1980-07-12 1982-02-11 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen
IT1173261B (it) * 1984-02-08 1987-06-18 Snia Bpd Spa Procedimento di purificazione del caprolattame

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550934C3 (de) * 1975-11-13 1980-06-12 Bayer Ag, 5090 Leverkusen Reinigung von Caprolactam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04187671A (ja) * 1990-11-21 1992-07-06 Ube Ind Ltd ラクタム油の精製方法
JPH04187672A (ja) * 1990-11-21 1992-07-06 Ube Ind Ltd ラクタム含有溶液の精製方法

Also Published As

Publication number Publication date
ES470183A1 (es) 1979-01-01
NL7805812A (nl) 1978-11-30
FR2392010A1 (fr) 1978-12-22
BE867528A (fr) 1978-11-27
DE2724361A1 (de) 1978-11-30
IT7849565A0 (it) 1978-05-26

Similar Documents

Publication Publication Date Title
JPS53108659A (en) Method of purifying water
JPS5422208A (en) Method of photogravuring
JPS5416427A (en) Improved method of glanulating urea
GB2000807B (en) Method of electrolysis
JPS5417398A (en) Purifying method of phosphric acid
YU41473B (en) Method of discontnuously purifying suspension
JPS5424849A (en) Chemical dividing method of racemiimandelicacid
JPS53111331A (en) Purification method of anthocyanin
JPS5490124A (en) Method of reduction
JPS53147085A (en) Method of purifying caprolactum
JPS5387384A (en) Method of recovering epsilonncaprolactum
JPS53137957A (en) Method of recovering pyrolidonn2
JPS543026A (en) Method of purifying betaaphenylethylalcohol
GB2007517B (en) Method of filtration
JPS53119833A (en) Method of purieying ppphenylenediamine
JPS5412308A (en) Method of purifying methylltertiallbutylether
JPS5337688A (en) Purifying method of epsilonncaprolactam
JPS53112894A (en) Method of etherizing
JPS53125558A (en) Method of fastening
JPS53141027A (en) Method of preventing
JPS5359612A (en) Method of purifying oxooaldehyde
JPS53105057A (en) Method of purifying drainage
JPS53148807A (en) Method of construction
JPS5465612A (en) Method of printing
JPS5427813A (en) Method of printing