FR2235121B1 - - Google Patents

Info

Publication number
FR2235121B1
FR2235121B1 FR7422071A FR7422071A FR2235121B1 FR 2235121 B1 FR2235121 B1 FR 2235121B1 FR 7422071 A FR7422071 A FR 7422071A FR 7422071 A FR7422071 A FR 7422071A FR 2235121 B1 FR2235121 B1 FR 2235121B1
Authority
FR
France
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
FR7422071A
Other versions
FR2235121A1 (fr
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of FR2235121A1 publication Critical patent/FR2235121A1/fr
Application granted granted Critical
Publication of FR2235121B1 publication Critical patent/FR2235121B1/fr
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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Fertilizers (AREA)
FR7422071A 1973-06-26 1974-06-25 Expired FR2235121B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7308834A NL7308834A (fr) 1973-06-26 1973-06-26

Publications (2)

Publication Number Publication Date
FR2235121A1 FR2235121A1 (fr) 1975-01-24
FR2235121B1 true FR2235121B1 (fr) 1978-01-13

Family

ID=19819146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422071A Expired FR2235121B1 (fr) 1973-06-26 1974-06-25

Country Status (19)

Country Link
US (1) US3907781A (fr)
JP (1) JPS5036483A (fr)
AR (1) AR199442A1 (fr)
AT (1) AT334382B (fr)
AU (1) AU476555B2 (fr)
BE (1) BE816872A (fr)
BR (1) BR7405226D0 (fr)
CS (1) CS168478B2 (fr)
DD (1) DD114078A5 (fr)
DE (1) DE2430757A1 (fr)
ES (1) ES427627A1 (fr)
FR (1) FR2235121B1 (fr)
GB (1) GB1434687A (fr)
IN (1) IN139743B (fr)
IT (1) IT1016162B (fr)
NL (1) NL7308834A (fr)
SU (1) SU552019A3 (fr)
TR (1) TR18106A (fr)
ZA (1) ZA744054B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7410450A (nl) * 1974-08-05 1976-02-09 Stamicarbon Werkwijze voor het winnen van epsilon-capro- lactam uit een epsilon-caprolactamzwavelzuur reactiemengsel.
NL7505130A (nl) * 1975-05-01 1976-11-03 Stamicarbon Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan.
DE2651195C3 (de) * 1976-11-10 1985-01-31 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von grobkristallinem reinem Ammonsulfat
US4138472A (en) * 1976-11-10 1979-02-06 Basf Aktiengesellschaft Process for obtaining coarsely crystalline pure ammonium sulfate
DE2845019A1 (de) * 1978-10-16 1980-04-30 Basf Ag Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung
FR2786180B1 (fr) * 1998-11-19 2001-11-23 Rhone Poulenc Fibres Procede de traitement de lactames et procede de purification d'un lactame
EP1092681A1 (fr) * 1999-10-13 2001-04-18 Va Tech Wabag AG Procédé de neutralisation d'acides résiduaires avec récuperation simultanée des crystaux des selles
EA022192B1 (ru) 2010-07-02 2015-11-30 ДСМ АйПи АССЕТС Б.В. Высокотемпературная нейтрализация лактама
WO2013053377A1 (fr) 2011-10-10 2013-04-18 Dsm Ip Assets B.V. Neutralisation d'un lactame à haute température
CN103012273A (zh) * 2012-11-26 2013-04-03 中国化学赛鼎宁波工程有限公司 一种己内酰胺重排液制备己内酰胺的中和结晶系统及其方法
CN103145618B (zh) * 2013-03-15 2014-06-18 东明天军化工有限公司 一种己内酰胺和硫酸铵联产的方法
CN104356039B (zh) * 2014-11-10 2017-02-15 河北美邦工程科技有限公司 一种己内酰胺制备工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993889A (en) * 1961-07-25 Separation of a lactam from an acid
NL144600B (nl) * 1964-03-07 1975-01-15 Stamicarbon Afscheiding van lactamen uit een sterk zwavelzuur milieu.
GB1123472A (en) * 1965-01-21 1968-08-14 Snia Viscosa Improvements in or relating to the neutralization of acid solutions of caprolactam
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams

Also Published As

Publication number Publication date
US3907781A (en) 1975-09-23
JPS5036483A (fr) 1975-04-05
NL7308834A (fr) 1974-12-30
IN139743B (fr) 1976-07-24
SU552019A3 (ru) 1977-03-25
GB1434687A (en) 1976-05-05
TR18106A (tr) 1976-09-30
ES427627A1 (es) 1976-10-16
BE816872A (fr) 1974-12-27
DD114078A5 (fr) 1975-07-12
FR2235121A1 (fr) 1975-01-24
BR7405226D0 (pt) 1975-01-21
AU476555B2 (en) 1976-09-30
AR199442A1 (es) 1974-08-30
AU7072774A (en) 1976-01-08
CS168478B2 (fr) 1976-06-29
AT334382B (de) 1976-01-10
IT1016162B (it) 1977-05-30
ZA744054B (en) 1975-10-29
ATA503874A (de) 1976-05-15
DE2430757A1 (de) 1975-01-23

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Legal Events

Date Code Title Description
ST Notification of lapse