BE773264A - Procede de purification de lactames - Google Patents

Procede de purification de lactames

Info

Publication number
BE773264A
BE773264A BE773264A BE773264A BE773264A BE 773264 A BE773264 A BE 773264A BE 773264 A BE773264 A BE 773264A BE 773264 A BE773264 A BE 773264A BE 773264 A BE773264 A BE 773264A
Authority
BE
Belgium
Prior art keywords
purification process
lactam
lactam purification
purification
Prior art date
Application number
BE773264A
Other languages
English (en)
Original Assignee
Inventa 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 Inventa Ag filed Critical Inventa Ag
Publication of BE773264A publication Critical patent/BE773264A/fr

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)
BE773264A 1970-10-01 1971-09-29 Procede de purification de lactames BE773264A (fr)

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
BE773264A true BE773264A (fr) 1972-01-17

Family

ID=4401749

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773264A BE773264A (fr) 1970-10-01 1971-09-29 Procede de purification de lactames

Country Status (18)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892624A (en) * 1987-09-05 1990-01-09 Basf Aktiengesellschaft Workup of distillation residues from the purification of caprolactam

Families Citing this family (7)

* 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
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
JP5264704B2 (ja) * 2006-04-06 2013-08-14 ビーエーエスエフ ソシエタス・ヨーロピア 改善された色品質を有するｎ−アルキルラクタムの製造方法

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892624A (en) * 1987-09-05 1990-01-09 Basf Aktiengesellschaft Workup of distillation residues from the purification of caprolactam

Also Published As

Publication number Publication date
DE2148717A1 (de) 1972-04-06
ES395584A1 (es) 1974-02-16
PL88944B1 (fr) 1976-10-30
YU34507B (en) 1979-09-10
NL7113365A (fr) 1972-04-05
DE2148717B2 (de) 1976-02-05
CH547805A (de) 1974-04-11
IE35686B1 (en) 1976-04-28
AU3406371A (en) 1973-04-05
AT311376B (de) 1973-11-12
CS176170B2 (fr) 1977-06-30
RO57818A (fr) 1975-03-15
YU245971A (en) 1979-02-28
FR2112238B1 (fr) 1974-03-15
AU457339B2 (en) 1975-01-23
US3794647A (en) 1974-02-26
BG26000A3 (fr) 1979-01-12
CA962676A (en) 1975-02-11
IE35686L (en) 1972-04-01
FR2112238A1 (fr) 1972-06-16
JPS4915276B1 (fr) 1974-04-13
GB1318459A (en) 1973-05-31

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