CA989831A - Process for removing lactams - Google Patents

Process for removing lactams

Info

Publication number
CA989831A
CA989831A CA141,067A CA141067A CA989831A CA 989831 A CA989831 A CA 989831A CA 141067 A CA141067 A CA 141067A CA 989831 A CA989831 A CA 989831A
Authority
CA
Canada
Prior art keywords
lactams
removing lactams
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
CA141,067A
Other languages
English (en)
Other versions
CA141067S (en
Inventor
Abraham H. De Rooij
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 BV filed Critical Stamicarbon BV
Application granted granted Critical
Publication of CA989831A publication Critical patent/CA989831A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Cephalosporin Compounds (AREA)
CA141,067A 1971-05-07 1972-05-02 Process for removing lactams Expired CA989831A (en)

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
CA989831A true CA989831A (en) 1976-05-25

Family

ID=19813111

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,067A Expired CA989831A (en) 1971-05-07 1972-05-02 Process for removing lactams

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
US2993889A (en) * 1961-07-25 Separation of a lactam from an acid
US2737511A (en) * 1956-03-06 Extraction of lactam
US2221369A (en) * 1940-11-12 Process foe producing lactams
US2605261A (en) * 1952-07-29 method foe
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
AT313296B (de) 1974-02-11
RO63487A (fr) 1978-08-15
IL39344A0 (en) 1972-07-26
DE2222148A1 (de) 1972-11-16
CH579539A5 (ro) 1976-09-15
AU4185672A (en) 1973-11-08
AU459774B2 (en) 1975-04-10
CS165973B2 (ro) 1975-12-22
FR2137621B1 (ro) 1974-07-05
BR7202831D0 (pt) 1973-05-17
DD96234A5 (ro) 1973-03-12
PL82553B1 (ro) 1975-10-31
BE783101A (fr) 1972-11-06
NL7106343A (ro) 1972-11-09
SU656513A3 (ru) 1979-04-05
IL39344A (en) 1976-05-31
HU171342B (hu) 1977-12-28
ES402473A1 (es) 1975-04-01
SE377464B (ro) 1975-07-07
US3852272A (en) 1974-12-03
IT958575B (it) 1973-10-30
JPS5220997B1 (ro) 1977-06-07
ZA722927B (en) 1973-02-28
FR2137621A1 (ro) 1972-12-29
GB1353866A (en) 1974-05-22
NL164028B (nl) 1980-06-16
BG26666A3 (bg) 1979-05-15
TR17429A (tr) 1975-07-23
NL164028C (nl) 1980-11-17

Similar Documents

Publication Publication Date Title
CA969972A (en) Filtration process
CA971897A (en) Coal-conversion process
AU475101B2 (en) Process
CA962220A (en) Process for purifying lactams
AU459774B2 (en) Process for removing lactams
CA962623A (en) Process for purifying lactams
AU4904072A (en) Purification process
CA989830A (en) Process for preparing and recovering lactams
CA975892A (en) Process for obtaining polyamides
AU457339B2 (en) Process for purifying lactams
CA958023A (en) Process for methylenation
CA996700A (en) Process for obtaining polyamides
AU3887772A (en) Purification process
AU452554B2 (en) Process for preparing 5-hydroxy-1-tetralone
AU4691872A (en) Process
CA974988A (en) Process
CA860918A (en) Electrosharpening process
CA868408A (en) Process for recovering m-alkylphenol
CA936124A (en) Process apparatus
CA875594A (en) Process for separating organic chlorophosphines
CA899877A (en) Process for purifying lactams
CA876696A (en) Purification process
CA861340A (en) Purification process
CA838443A (en) Process for making filters
CA860873A (en) Silver-dye-bleach process