CH525887A - Procedimento di purificazione di caprolattame, in particolare ottenuto per nitrosazione di composti cicloesilici - Google Patents

Procedimento di purificazione di caprolattame, in particolare ottenuto per nitrosazione di composti cicloesilici

Info

Publication number
CH525887A
CH525887A CH1015567A CH1015567A CH525887A CH 525887 A CH525887 A CH 525887A CH 1015567 A CH1015567 A CH 1015567A CH 1015567 A CH1015567 A CH 1015567A CH 525887 A CH525887 A CH 525887A
Authority
CH
Switzerland
Prior art keywords
caprolactam
nitrosation
purification
amide
volatile bases
Prior art date
Application number
CH1015567A
Other languages
English (en)
Inventor
Siclari Francesco Dr Chim
Messina Giuseppe Dr Chim
Horak Edgardo Dr Chim
Original Assignee
Snia Viscosa
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 Snia Viscosa filed Critical Snia Viscosa
Publication of CH525887A publication Critical patent/CH525887A/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Polyamides (AREA)
CH1015567A 1966-07-27 1967-07-17 Procedimento di purificazione di caprolattame, in particolare ottenuto per nitrosazione di composti cicloesilici CH525887A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1741466 1966-07-27

Publications (1)

Publication Number Publication Date
CH525887A true CH525887A (it) 1972-07-31

Family

ID=11150314

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1015567A CH525887A (it) 1966-07-27 1967-07-17 Procedimento di purificazione di caprolattame, in particolare ottenuto per nitrosazione di composti cicloesilici

Country Status (8)

Country Link
US (1) US3507856A (it)
AT (1) AT278734B (it)
BE (1) BE701920A (it)
CH (1) CH525887A (it)
DE (1) DE1695751A1 (it)
ES (1) ES343466A1 (it)
GB (1) GB1175279A (it)
NL (1) NL6710394A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007099029A2 (de) * 2006-02-24 2007-09-07 Basf Aktiengesellschaft Verfahren zur reinigung von caprolactam, hergestellt aus lysin
CN111527051B (zh) 2018-06-01 2023-03-24 伍德依文达菲瑟有限责任公司 回收聚酰胺6的生产中的萃取水的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692878A (en) * 1954-10-26 Method forithe continuous produc-
US3145198A (en) * 1964-08-18 piija
US2752336A (en) * 1956-06-26 For the pu
US2828307A (en) * 1958-03-25 Karl h
US3406167A (en) * 1965-11-09 1968-10-15 Allied Chem Purification of caprolactam

Also Published As

Publication number Publication date
US3507856A (en) 1970-04-21
AT278734B (de) 1970-02-10
BE701920A (it) 1968-01-29
GB1175279A (en) 1969-12-23
ES343466A1 (es) 1968-07-16
NL6710394A (it) 1968-01-29
DE1695751A1 (de) 1971-04-22

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Legal Events

Date Code Title Description
PL Patent ceased