NL6402370A - - Google Patents

Info

Publication number
NL6402370A
NL6402370A NL6402370A NL6402370A NL6402370A NL 6402370 A NL6402370 A NL 6402370A NL 6402370 A NL6402370 A NL 6402370A NL 6402370 A NL6402370 A NL 6402370A NL 6402370 A NL6402370 A NL 6402370A
Authority
NL
Netherlands
Application number
NL6402370A
Other versions
NL144600B (nl
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 filed Critical
Priority to NL646402370A priority Critical patent/NL144600B/xx
Priority to US436912A priority patent/US3336298A/en
Priority to CH298865A priority patent/CH446343A/de
Priority to GB9308/65A priority patent/GB1080266A/en
Priority to FR8074A priority patent/FR1431977A/fr
Priority to BE660737D priority patent/BE660737A/xx
Priority to DE1965ST023466 priority patent/DE1620468A1/de
Priority to ES0310196A priority patent/ES310196A1/es
Publication of NL6402370A publication Critical patent/NL6402370A/xx
Publication of NL144600B publication Critical patent/NL144600B/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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
NL646402370A 1964-03-07 1964-03-07 Afscheiding van lactamen uit een sterk zwavelzuur milieu. NL144600B (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL646402370A NL144600B (nl) 1964-03-07 1964-03-07 Afscheiding van lactamen uit een sterk zwavelzuur milieu.
US436912A US3336298A (en) 1964-03-07 1965-03-03 Separation of lactams from a strong sulphuric acid medium
CH298865A CH446343A (de) 1964-03-07 1965-03-04 Ausscheidung von Lactamen aus einem stark schwefelsauren Medium
GB9308/65A GB1080266A (en) 1964-03-07 1965-03-04 Separation of lactams from a strong sulphuric acid medium
FR8074A FR1431977A (fr) 1964-03-07 1965-03-05 Procédé pour séparer des lactames d'un milieu d'acide sulfurique fort
BE660737D BE660737A (de) 1964-03-07 1965-03-05
DE1965ST023466 DE1620468A1 (de) 1964-03-07 1965-03-05 Ausscheidung von Lactamen aus einem stark schwefelsaurem Medium
ES0310196A ES310196A1 (es) 1964-03-07 1965-03-06 Un procedimiento para separar una lactama de un medio de acido sulfurico concentrado.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646402370A NL144600B (nl) 1964-03-07 1964-03-07 Afscheiding van lactamen uit een sterk zwavelzuur milieu.

Publications (2)

Publication Number Publication Date
NL6402370A true NL6402370A (de) 1965-09-08
NL144600B NL144600B (nl) 1975-01-15

Family

ID=19789510

Family Applications (1)

Application Number Title Priority Date Filing Date
NL646402370A NL144600B (nl) 1964-03-07 1964-03-07 Afscheiding van lactamen uit een sterk zwavelzuur milieu.

Country Status (8)

Country Link
US (1) US3336298A (de)
BE (1) BE660737A (de)
CH (1) CH446343A (de)
DE (1) DE1620468A1 (de)
ES (1) ES310196A1 (de)
FR (1) FR1431977A (de)
GB (1) GB1080266A (de)
NL (1) NL144600B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7008837A (de) * 1970-06-17 1971-12-21
GB1379180A (en) * 1971-05-07 1975-01-02 Stamicarbon Separation of lactams from an acid medium
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.
US3694433A (en) * 1971-08-27 1972-09-26 Allied Chem Method for the recovery of caprolactam
BE792559A (fr) * 1971-12-11 1973-06-12 Stamicarbon Procede pour la separation de lactames
NL7210626A (de) * 1972-08-03 1974-02-05
US3859278A (en) * 1972-12-11 1975-01-07 Stamicarbon Process for separating lactams
NL7308100A (de) * 1973-06-12 1974-12-16
NL7308834A (de) * 1973-06-26 1974-12-30
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
CN114805207A (zh) * 2022-04-14 2022-07-29 山东华鲁恒升化工股份有限公司 一种利用膜分离技术除去重排液中硫酸的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249177A (en) * 1941-07-15 Rearrangement reaction of oxevies
US2605261A (en) * 1952-07-29 method foe
US2313026A (en) * 1939-02-13 1943-03-02 Schlack Paul Process for the manufacture of lactams from oximes of cyclic ketones

Also Published As

Publication number Publication date
ES310196A1 (es) 1965-10-16
BE660737A (de) 1965-09-06
GB1080266A (en) 1967-08-23
FR1431977A (fr) 1966-03-18
US3336298A (en) 1967-08-15
NL144600B (nl) 1975-01-15
CH446343A (de) 1967-11-15
DE1620468A1 (de) 1970-04-30

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: STAMICARBON