DE1670902B2 - Katalytisches Verfahren zur Lactamherstellung - Google Patents

Katalytisches Verfahren zur Lactamherstellung

Info

Publication number
DE1670902B2
DE1670902B2 DE1670902A DEF0053186A DE1670902B2 DE 1670902 B2 DE1670902 B2 DE 1670902B2 DE 1670902 A DE1670902 A DE 1670902A DE F0053186 A DEF0053186 A DE F0053186A DE 1670902 B2 DE1670902 B2 DE 1670902B2
Authority
DE
Germany
Prior art keywords
catalyst
regeneration
reg
ester
boric acid
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
DE1670902A
Other languages
German (de)
English (en)
Other versions
DE1670902A1 (de
Inventor
Otto Dr. 4150 Krefeld-Uerdingen Immel
Manfred Dr. 4150 Krefeld Mansmann
Hans Dr. 4100 Duisburg Zirngibl
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 DE1670902A priority Critical patent/DE1670902B2/de
Priority to GB33780/68A priority patent/GB1211156A/en
Priority to US748963A priority patent/US3632575A/en
Priority to NL6811222A priority patent/NL6811222A/xx
Priority to BE719219D priority patent/BE719219A/xx
Priority to FR1576903D priority patent/FR1576903A/fr
Publication of DE1670902A1 publication Critical patent/DE1670902A1/de
Publication of DE1670902B2 publication Critical patent/DE1670902B2/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02Preparation of lactams
    • C07D201/04Preparation of lactams from or via oximes by Beckmann rearrangement
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE1670902A 1967-08-09 1967-08-09 Katalytisches Verfahren zur Lactamherstellung Pending DE1670902B2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE1670902A DE1670902B2 (de) 1967-08-09 1967-08-09 Katalytisches Verfahren zur Lactamherstellung
GB33780/68A GB1211156A (en) 1967-08-09 1968-07-16 Improvement in the process for the production of lactams
US748963A US3632575A (en) 1967-08-09 1968-07-31 Process for the production of lactams
NL6811222A NL6811222A (https=) 1967-08-09 1968-08-07
BE719219D BE719219A (https=) 1967-08-09 1968-08-08
FR1576903D FR1576903A (https=) 1967-08-09 1968-08-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1670902A DE1670902B2 (de) 1967-08-09 1967-08-09 Katalytisches Verfahren zur Lactamherstellung

Publications (2)

Publication Number Publication Date
DE1670902A1 DE1670902A1 (de) 1971-03-18
DE1670902B2 true DE1670902B2 (de) 1978-07-20

Family

ID=7106075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1670902A Pending DE1670902B2 (de) 1967-08-09 1967-08-09 Katalytisches Verfahren zur Lactamherstellung

Country Status (6)

Country Link
US (1) US3632575A (https=)
BE (1) BE719219A (https=)
DE (1) DE1670902B2 (https=)
FR (1) FR1576903A (https=)
GB (1) GB1211156A (https=)
NL (1) NL6811222A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844880A1 (de) * 1978-10-14 1980-04-30 Basf Ag Verfahren zur herstellung von epsilon -caprolactam durch katalytische umlagerung von cyclohexanonoxim
US4298503A (en) * 1980-03-24 1981-11-03 Batalin Oleg E Method of preparing calcium boron phosphate catalyst

Also Published As

Publication number Publication date
BE719219A (https=) 1969-01-16
US3632575A (en) 1972-01-04
FR1576903A (https=) 1969-08-01
GB1211156A (en) 1970-11-04
DE1670902A1 (de) 1971-03-18
NL6811222A (https=) 1969-02-11

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