CH579539A5 - - Google Patents

Info

Publication number
CH579539A5
CH579539A5 CH671872A CH671872A CH579539A5 CH 579539 A5 CH579539 A5 CH 579539A5 CH 671872 A CH671872 A CH 671872A CH 671872 A CH671872 A CH 671872A CH 579539 A5 CH579539 A5 CH 579539A5
Authority
CH
Switzerland
Application number
CH671872A
Inventor
Rooij A H De
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of CH579539A5 publication Critical patent/CH579539A5/xx

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)
  • Extraction Or Liquid Replacement (AREA)
  • Cephalosporin Compounds (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
CH671872A 1971-05-07 1972-05-05 CH579539A5 (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106343.A NL164028C (nl) 1971-05-07 1971-05-07 Werkwijze voor de afscheiding van lactamen.

Publications (1)

Publication Number Publication Date
CH579539A5 true CH579539A5 (ro) 1976-09-15

Family

ID=19813111

Family Applications (1)

Application Number Title Priority Date Filing Date
CH671872A CH579539A5 (ro) 1971-05-07 1972-05-05

Country Status (25)

Country Link
US (1) US3852272A (ro)
JP (1) JPS5220997B1 (ro)
AT (1) AT313296B (ro)
AU (1) AU459774B2 (ro)
BE (1) BE783101A (ro)
BG (1) BG26666A3 (ro)
BR (1) BR7202831D0 (ro)
CA (1) CA989831A (ro)
CH (1) CH579539A5 (ro)
CS (1) CS165973B2 (ro)
DD (1) DD96234A5 (ro)
DE (1) DE2222148A1 (ro)
ES (1) ES402473A1 (ro)
FR (1) FR2137621B1 (ro)
GB (1) GB1353866A (ro)
HU (1) HU171342B (ro)
IL (1) IL39344A (ro)
IT (1) IT958575B (ro)
NL (1) NL164028C (ro)
PL (1) PL82553B1 (ro)
RO (1) RO63487A (ro)
SE (1) SE377464B (ro)
SU (1) SU656513A3 (ro)
TR (1) TR17429A (ro)
ZA (1) ZA722927B (ro)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130037B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000Köln Verfahren zur herstellung von lactamen
DE2130036B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000 Köln Verfahren zur herstellung von lactamen
NL7308100A (ro) * 1973-06-12 1974-12-16
NL7308834A (ro) * 1973-06-26 1974-12-30
CH593934A5 (ro) * 1974-09-03 1977-12-30 Inventa Ag
JPS523261A (en) * 1975-06-24 1977-01-11 Sumitomo Chem Co Ltd Purification method for polluted water
NL7607047A (nl) * 1976-06-28 1977-12-30 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.
DE2656182C3 (de) * 1976-12-11 1979-10-04 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Extraktion von Caprolactam aus Wasser enthaltendem Rohlactam
NL7700234A (nl) * 1977-01-12 1978-07-14 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit epsilon-caprolactam- bevattend destil- latieresidu.
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737511A (en) * 1956-03-06 Extraction of lactam
US2605261A (en) * 1952-07-29 method foe
US2993889A (en) * 1961-07-25 Separation of a lactam from an acid
US2221369A (en) * 1940-11-12 Process foe producing lactams
GB740891A (en) * 1952-05-15 1955-11-23 British Celanese Improvements in the production of amides
NL132894C (ro) * 1961-08-30 1900-01-01
DE1199243B (de) * 1963-07-10 1965-08-26 Huels Chemische Werke Ag Verfahren zur Herstellung schwefeldioxydhaltiger Gase aus ammoniumsalzhaltigen Abfallschwefelsaeuren
NL136780C (ro) * 1963-10-31
GB1084096A (ro) * 1963-12-03 1900-01-01
DE1229995B (de) * 1964-01-17 1966-12-08 Chemiebau Dr A Zieren Ges Mit Verfahren zur Gewinnung von Ammoniak und Schwefeldioxyd
NL144600B (nl) * 1964-03-07 1975-01-15 Stamicarbon Afscheiding van lactamen uit een sterk zwavelzuur milieu.
US3404947A (en) * 1966-02-14 1968-10-08 Standard Oil Co Process for waste disposal

Also Published As

Publication number Publication date
IL39344A (en) 1976-05-31
PL82553B1 (ro) 1975-10-31
US3852272A (en) 1974-12-03
IT958575B (it) 1973-10-30
ZA722927B (en) 1973-02-28
NL164028B (nl) 1980-06-16
FR2137621A1 (ro) 1972-12-29
IL39344A0 (en) 1972-07-26
AU4185672A (en) 1973-11-08
SU656513A3 (ru) 1979-04-05
NL164028C (nl) 1980-11-17
ES402473A1 (es) 1975-04-01
AT313296B (de) 1974-02-11
BR7202831D0 (pt) 1973-05-17
DD96234A5 (ro) 1973-03-12
AU459774B2 (en) 1975-04-10
CS165973B2 (ro) 1975-12-22
BG26666A3 (ro) 1979-05-15
CA989831A (en) 1976-05-25
NL7106343A (ro) 1972-11-09
HU171342B (hu) 1977-12-28
FR2137621B1 (ro) 1974-07-05
RO63487A (fr) 1978-08-15
TR17429A (tr) 1975-07-23
JPS5220997B1 (ro) 1977-06-07
BE783101A (fr) 1972-11-06
SE377464B (ro) 1975-07-07
DE2222148A1 (de) 1972-11-16
GB1353866A (en) 1974-05-22

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Legal Events

Date Code Title Description
PL Patent ceased