DE2245300A1 - Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden - Google Patents

Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden

Info

Publication number
DE2245300A1
DE2245300A1 DE2245300A DE2245300A DE2245300A1 DE 2245300 A1 DE2245300 A1 DE 2245300A1 DE 2245300 A DE2245300 A DE 2245300A DE 2245300 A DE2245300 A DE 2245300A DE 2245300 A1 DE2245300 A1 DE 2245300A1
Authority
DE
Germany
Prior art keywords
boric acid
lactam
distillation
added
polyhydric alcohols
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.)
Pending
Application number
DE2245300A
Other languages
German (de)
English (en)
Inventor
Otto Dr Immel
Hans-Helmut Dr Schwarz
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Priority to DE2245300A priority Critical patent/DE2245300A1/de
Priority to BE135606A priority patent/BE804806A/xx
Priority to CA180,966A priority patent/CA1013706A/en
Priority to CH1314273A priority patent/CH581102A5/xx
Priority to IT52499/73A priority patent/IT997547B/it
Priority to NL7312718A priority patent/NL7312718A/xx
Priority to JP48103378A priority patent/JPS50111088A/ja
Priority to FR7333138A priority patent/FR2200265B1/fr
Priority to GB4319673A priority patent/GB1399061A/en
Publication of DE2245300A1 publication Critical patent/DE2245300A1/de
Priority to US05/584,219 priority patent/US4028347A/en
Pending 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE2245300A 1972-09-15 1972-09-15 Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden Pending DE2245300A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE2245300A DE2245300A1 (de) 1972-09-15 1972-09-15 Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden
BE135606A BE804806A (fr) 1972-09-15 1973-09-13 Procede de traitement des residus de lactames contenant de l'acide borique
CA180,966A CA1013706A (en) 1972-09-15 1973-09-13 Method for processing lactam residues which contain boric acid
CH1314273A CH581102A5 (xx) 1972-09-15 1973-09-13
IT52499/73A IT997547B (it) 1972-09-15 1973-09-13 Procedimento per la lavorazione di residui di lattame contenenti acido borico
NL7312718A NL7312718A (xx) 1972-09-15 1973-09-14
JP48103378A JPS50111088A (xx) 1972-09-15 1973-09-14
FR7333138A FR2200265B1 (xx) 1972-09-15 1973-09-14
GB4319673A GB1399061A (en) 1972-09-15 1973-09-14 Method for processing lactam residues which contain boric acid
US05/584,219 US4028347A (en) 1972-09-15 1975-06-05 Method for processing lactam residues which contain boric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2245300A DE2245300A1 (de) 1972-09-15 1972-09-15 Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden

Publications (1)

Publication Number Publication Date
DE2245300A1 true DE2245300A1 (de) 1974-03-28

Family

ID=5856431

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2245300A Pending DE2245300A1 (de) 1972-09-15 1972-09-15 Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden

Country Status (9)

Country Link
JP (1) JPS50111088A (xx)
BE (1) BE804806A (xx)
CA (1) CA1013706A (xx)
CH (1) CH581102A5 (xx)
DE (1) DE2245300A1 (xx)
FR (1) FR2200265B1 (xx)
GB (1) GB1399061A (xx)
IT (1) IT997547B (xx)
NL (1) NL7312718A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845075A1 (de) * 1978-10-17 1980-05-08 Basf Ag Verfahren zur reinigung von rohcaprolactam
DE3729853A1 (de) * 1987-09-05 1989-03-23 Basf Ag Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR896883A (fr) * 1942-08-18 1945-03-06 Ig Farbenindustrie Ag Procédé de récupération de lactames à partir de solutions aqueuses diluées
DE1155132B (de) * 1961-11-14 1963-10-03 Basf Ag Verfahren zur Herstellung von Lactamen

Also Published As

Publication number Publication date
FR2200265B1 (xx) 1978-09-08
GB1399061A (en) 1975-06-25
BE804806A (fr) 1974-03-13
CA1013706A (en) 1977-07-12
IT997547B (it) 1975-12-30
JPS50111088A (xx) 1975-09-01
CH581102A5 (xx) 1976-10-29
FR2200265A1 (xx) 1974-04-19
NL7312718A (xx) 1974-03-19

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Legal Events

Date Code Title Description
OHN Withdrawal