CH421969A - Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures - Google Patents

Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures

Info

Publication number
CH421969A
CH421969A CH600863A CH600863A CH421969A CH 421969 A CH421969 A CH 421969A CH 600863 A CH600863 A CH 600863A CH 600863 A CH600863 A CH 600863A CH 421969 A CH421969 A CH 421969A
Authority
CH
Switzerland
Prior art keywords
cyclododecacarboxylic
dodecalactam
separation
acid mixtures
mixtures
Prior art date
Application number
CH600863A
Other languages
German (de)
Inventor
Hans-Joachim Dr Ing C Schultze
Clau Dr Ing Chem Berther
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
Priority to CH600863A priority Critical patent/CH421969A/en
Priority to FI55464A priority patent/FI44234B/fi
Priority to DK163364A priority patent/DK104236C/en
Priority to BE646083D priority patent/BE646083A/xx
Priority to AT299964A priority patent/AT244322B/en
Priority to FR970902A priority patent/FR1388524A/en
Priority to ES299033A priority patent/ES299033A1/en
Priority to GB1820364A priority patent/GB995723A/en
Priority to NL6405306A priority patent/NL6405306A/xx
Publication of CH421969A publication Critical patent/CH421969A/en

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CH600863A 1963-05-14 1963-05-14 Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures CH421969A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CH600863A CH421969A (en) 1963-05-14 1963-05-14 Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures
FI55464A FI44234B (en) 1963-05-14 1964-03-14
DK163364A DK104236C (en) 1963-05-14 1964-04-02 Process for separating ω-dodecalactam and cyclododecacarboxylic acid from a reaction mixture obtained by nitrosylation of cyclododecacarboxylic acid in sulfuric acid or oleum.
BE646083D BE646083A (en) 1963-05-14 1964-04-03
AT299964A AT244322B (en) 1963-05-14 1964-04-07 Process for the separation of cyclododecacarboxylic acid and ω-dodecalactam
FR970902A FR1388524A (en) 1963-05-14 1964-04-14 Process for the separation of mixtures of omega-dodecalactam and cyclododecanoic acid
ES299033A ES299033A1 (en) 1963-05-14 1964-04-22 Procedure for the separation of omega mixtures - dodecalactamo/ciclododecarboxilico acid (Machine-translation by Google Translate, not legally binding)
GB1820364A GB995723A (en) 1963-05-14 1964-05-01 Process for the separation of ªÏ-dodecalactam
NL6405306A NL6405306A (en) 1963-05-14 1964-05-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH600863A CH421969A (en) 1963-05-14 1963-05-14 Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures

Publications (1)

Publication Number Publication Date
CH421969A true CH421969A (en) 1966-10-15

Family

ID=4302803

Family Applications (1)

Application Number Title Priority Date Filing Date
CH600863A CH421969A (en) 1963-05-14 1963-05-14 Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures

Country Status (8)

Country Link
AT (1) AT244322B (en)
BE (1) BE646083A (en)
CH (1) CH421969A (en)
DK (1) DK104236C (en)
ES (1) ES299033A1 (en)
FI (1) FI44234B (en)
GB (1) GB995723A (en)
NL (1) NL6405306A (en)

Also Published As

Publication number Publication date
GB995723A (en) 1965-06-23
ES299033A1 (en) 1964-06-16
FI44234B (en) 1971-06-30
DK104236C (en) 1966-04-25
AT244322B (en) 1965-12-27
BE646083A (en) 1964-07-31
NL6405306A (en) 1964-11-16

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