GB1399061A - Method for processing lactam residues which contain boric acid - Google Patents

Method for processing lactam residues which contain boric acid

Info

Publication number
GB1399061A
GB1399061A GB4319673A GB4319673A GB1399061A GB 1399061 A GB1399061 A GB 1399061A GB 4319673 A GB4319673 A GB 4319673A GB 4319673 A GB4319673 A GB 4319673A GB 1399061 A GB1399061 A GB 1399061A
Authority
GB
United Kingdom
Prior art keywords
boric acid
lactam
processing
sept
contain boric
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
GB4319673A
Other languages
English (en)
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
Publication of GB1399061A publication Critical patent/GB1399061A/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
    • 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)
GB4319673A 1972-09-15 1973-09-14 Method for processing lactam residues which contain boric acid Expired GB1399061A (en)

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
GB1399061A true GB1399061A (en) 1975-06-25

Family

ID=5856431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4319673A Expired GB1399061A (en) 1972-09-15 1973-09-14 Method for processing lactam residues which contain boric acid

Country Status (9)

Country Link
JP (1) JPS50111088A (cg-RX-API-DMAC7.html)
BE (1) BE804806A (cg-RX-API-DMAC7.html)
CA (1) CA1013706A (cg-RX-API-DMAC7.html)
CH (1) CH581102A5 (cg-RX-API-DMAC7.html)
DE (1) DE2245300A1 (cg-RX-API-DMAC7.html)
FR (1) FR2200265B1 (cg-RX-API-DMAC7.html)
GB (1) GB1399061A (cg-RX-API-DMAC7.html)
IT (1) IT997547B (cg-RX-API-DMAC7.html)
NL (1) NL7312718A (cg-RX-API-DMAC7.html)

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
DE2245300A1 (de) 1974-03-28
BE804806A (fr) 1974-03-13
FR2200265B1 (cg-RX-API-DMAC7.html) 1978-09-08
JPS50111088A (cg-RX-API-DMAC7.html) 1975-09-01
FR2200265A1 (cg-RX-API-DMAC7.html) 1974-04-19
IT997547B (it) 1975-12-30
NL7312718A (cg-RX-API-DMAC7.html) 1974-03-19
CA1013706A (en) 1977-07-12
CH581102A5 (cg-RX-API-DMAC7.html) 1976-10-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee