IN139743B - - Google Patents

Info

Publication number
IN139743B
IN139743B IN1671/CAL/74A IN1671CA1974A IN139743B IN 139743 B IN139743 B IN 139743B IN 1671CA1974 A IN1671CA1974 A IN 1671CA1974A IN 139743 B IN139743 B IN 139743B
Authority
IN
India
Application number
IN1671/CAL/74A
Other languages
English (en)
Inventor
Rooij A De
J Elmendorp
Original Assignee
Stamicarbon
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 filed Critical Stamicarbon
Publication of IN139743B publication Critical patent/IN139743B/en

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)
IN1671/CAL/74A 1973-06-26 1974-07-26 IN139743B (ko)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IN139743B true IN139743B (ko) 1976-07-24

Family

ID=19819146

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1671/CAL/74A IN139743B (ko) 1973-06-26 1974-07-26

Country Status (19)

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

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 (de) * 1999-10-13 2001-04-18 Va Tech Wabag AG Verfahren zum Neutralisieren einer Abfallsäure und gleichzeitigem Gewinnen von Salzkristallen
US20130211038A1 (en) 2010-07-02 2013-08-15 Dsm Ip Assets B.V. High temperature lactam neutralisation
WO2013053377A1 (en) 2011-10-10 2013-04-18 Dsm Ip Assets B.V. High temperature lactam neutralisation
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
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.

Also Published As

Publication number Publication date
IT1016162B (it) 1977-05-30
DD114078A5 (ko) 1975-07-12
AU476555B2 (en) 1976-09-30
FR2235121B1 (ko) 1978-01-13
ZA744054B (en) 1975-10-29
SU552019A3 (ru) 1977-03-25
NL7308834A (ko) 1974-12-30
CS168478B2 (ko) 1976-06-29
ATA503874A (de) 1976-05-15
JPS5036483A (ko) 1975-04-05
AT334382B (de) 1976-01-10
TR18106A (tr) 1976-09-30
FR2235121A1 (ko) 1975-01-24
AU7072774A (en) 1976-01-08
US3907781A (en) 1975-09-23
ES427627A1 (es) 1976-10-16
BE816872A (fr) 1974-12-27
AR199442A1 (es) 1974-08-30
GB1434687A (en) 1976-05-05
DE2430757A1 (de) 1975-01-23
BR7405226D0 (pt) 1975-01-21

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