GB1088812A - Continuous production of laurolactam in the liquid phase - Google Patents

Continuous production of laurolactam in the liquid phase

Info

Publication number
GB1088812A
GB1088812A GB4530/66A GB453066A GB1088812A GB 1088812 A GB1088812 A GB 1088812A GB 4530/66 A GB4530/66 A GB 4530/66A GB 453066 A GB453066 A GB 453066A GB 1088812 A GB1088812 A GB 1088812A
Authority
GB
United Kingdom
Prior art keywords
solvent
phase
sulphuric acid
oxime
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
GB4530/66A
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Priority claimed from DE1966C0038810 external-priority patent/DE1524614B2/de
Publication of GB1088812A publication Critical patent/GB1088812A/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
    • C07D201/02—Preparation of lactams
    • C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
GB4530/66A 1965-02-03 1966-02-02 Continuous production of laurolactam in the liquid phase Expired GB1088812A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEC0035001 1965-02-03
DEC0036810 1965-09-06
DEC0036809 1965-09-06
DE1966C0038810 DE1524614B2 (de) 1965-04-23 1966-04-19 Verfahren und vorrichtung zur ermittlung und erhebung von parkgebuehren

Publications (1)

Publication Number Publication Date
GB1088812A true GB1088812A (en) 1967-10-25

Family

ID=27436711

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4530/66A Expired GB1088812A (en) 1965-02-03 1966-02-02 Continuous production of laurolactam in the liquid phase
GB4739/66A Expired GB1128178A (en) 1965-02-03 1966-02-03 Distilling ªÏ-laurolactam solutions

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4739/66A Expired GB1128178A (en) 1965-02-03 1966-02-03 Distilling ªÏ-laurolactam solutions

Country Status (6)

Country Link
US (2) US3431255A (cg-RX-API-DMAC7.html)
JP (1) JPS5233118B1 (cg-RX-API-DMAC7.html)
CH (2) CH462818A (cg-RX-API-DMAC7.html)
DE (2) DE1545697C3 (cg-RX-API-DMAC7.html)
GB (2) GB1088812A (cg-RX-API-DMAC7.html)
NL (1) NL6601397A (cg-RX-API-DMAC7.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725391A (en) * 1970-11-30 1973-04-03 Toray Industries Process for the preparation of lactams from cycloalkanone oximes
US4610768A (en) * 1985-12-02 1986-09-09 The Firestone Tire & Rubber Company Lactam purification
DE4019167A1 (de) * 1990-06-15 1991-12-19 Henkel Kgaa Verfahren zur herstellung von metallseifen
ES2426368T3 (es) 2007-02-09 2013-10-22 National University Corporation Nagoya University Método para la producción de laurolactama
ES2513826T3 (es) 2007-11-29 2014-10-27 Ube Industries, Ltd. Método para la producción de laurolactama
US8338589B2 (en) * 2008-05-20 2012-12-25 Ube Industries, Ltd. Process for producing laurolactam
JP5447502B2 (ja) 2009-03-04 2014-03-19 宇部興産株式会社 アミド化合物の製造方法
US8624021B2 (en) 2009-09-24 2014-01-07 Ube Industries, Ltd. Compound and process for producing amide compound therewith
DE102009046910A1 (de) * 2009-11-20 2011-05-26 Evonik Degussa Gmbh Verfahren zur Aufarbeitung eines Laurinlactam enthaltenen Stoffstroms für die Rückgewinnung aller enthaltene Wertstoffkomponenten durch Kombination von Kristallisation mit nachgeschalteter Destillation
KR102500501B1 (ko) 2017-12-28 2023-02-16 한화솔루션 주식회사 라우로락탐의 제조 방법 및 이의 합성 장치
CN109481958B (zh) * 2018-11-29 2021-04-20 万华化学集团股份有限公司 一种降低环十二酮肟在硫酸萃取过程中的水解率的方法
KR102499747B1 (ko) 2018-12-19 2023-02-15 한화솔루션 주식회사 신규한 라우로락탐 제조 방법 및 합성 장치
CN112479964B (zh) * 2020-11-17 2022-07-26 万华化学集团股份有限公司 一种环十二酮肟发生萃取重排反应制备十二内酰胺的方法
CN113769683B (zh) * 2021-08-24 2023-04-18 北京化工大学 一种十二内酰胺的短流程连续化制备系统及方法
CN115260073B (zh) * 2022-08-31 2024-09-20 中国天辰工程有限公司 一种无硫酸铵副产重排工艺制备月桂精内酰胺的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692878A (en) * 1954-10-26 Method forithe continuous produc-
US2752336A (en) * 1956-06-26 For the pu
US2573374A (en) * 1951-10-30 Method for producing lagtams
US2249177A (en) * 1941-07-15 Rearrangement reaction of oxevies
US2313026A (en) * 1939-02-13 1943-03-02 Schlack Paul Process for the manufacture of lactams from oximes of cyclic ketones
US3060173A (en) * 1958-05-30 1962-10-23 Basf Ag Production of omega-amino dodecane acid lactam
NL133986C (cg-RX-API-DMAC7.html) * 1964-01-30

Also Published As

Publication number Publication date
DE1545697C3 (de) 1973-11-08
DE1545653A1 (de) 1969-08-07
CH462818A (de) 1968-09-30
GB1128178A (en) 1968-09-25
US3431255A (en) 1969-03-04
DE1545697B2 (de) 1973-03-29
DE1545696A1 (de) 1969-06-26
NL6601397A (cg-RX-API-DMAC7.html) 1966-08-04
DE1545696C3 (de) 1973-11-08
JPS5233118B1 (cg-RX-API-DMAC7.html) 1977-08-26
DE1545696B2 (de) 1973-03-29
CH456605A (de) 1968-07-31
DE1545697A1 (de) 1969-06-26
US3462417A (en) 1969-08-19

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