CA1013706A - Method for processing lactam residues which contain boric acid - Google Patents

Method for processing lactam residues which contain boric acid

Info

Publication number
CA1013706A
CA1013706A CA180,966A CA180966A CA1013706A CA 1013706 A CA1013706 A CA 1013706A CA 180966 A CA180966 A CA 180966A CA 1013706 A CA1013706 A CA 1013706A
Authority
CA
Canada
Prior art keywords
processing
boric acid
contain boric
lactam residues
lactam
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
CA180,966A
Other versions
CA180966S (en
Inventor
Otto Immel
Hans-Helmut 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
Application granted granted Critical
Publication of CA1013706A publication Critical patent/CA1013706A/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)
CA180,966A 1972-09-15 1973-09-13 Method for processing lactam residues which contain boric acid Expired CA1013706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2245300A DE2245300A1 (en) 1972-09-15 1972-09-15 PROCESS FOR PROCESSING OF BORIC ACID-CONTAINING LACTAM RESIDUES

Publications (1)

Publication Number Publication Date
CA1013706A true CA1013706A (en) 1977-07-12

Family

ID=5856431

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,966A Expired CA1013706A (en) 1972-09-15 1973-09-13 Method for processing lactam residues which contain boric acid

Country Status (9)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845075A1 (en) * 1978-10-17 1980-05-08 Basf Ag METHOD FOR PURIFYING ROHCAPROLACTAM
DE3729853A1 (en) * 1987-09-05 1989-03-23 Basf Ag METHOD FOR PROCESSING DISTILLATION RESIDUES RESULTING FROM CLEANING CAPROLACTAM

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR896883A (en) * 1942-08-18 1945-03-06 Ig Farbenindustrie Ag Process for recovering lactams from dilute aqueous solutions
DE1155132B (en) * 1961-11-14 1963-10-03 Basf Ag Process for the production of lactams

Also Published As

Publication number Publication date
JPS50111088A (en) 1975-09-01
BE804806A (en) 1974-03-13
DE2245300A1 (en) 1974-03-28
IT997547B (en) 1975-12-30
NL7312718A (en) 1974-03-19
FR2200265A1 (en) 1974-04-19
GB1399061A (en) 1975-06-25
FR2200265B1 (en) 1978-09-08
CH581102A5 (en) 1976-10-29

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