IT1022231B - Procedimento e dispositivo per la purificazione di lattam - Google Patents

Procedimento e dispositivo per la purificazione di lattam

Info

Publication number: IT1022231B
Authority: IT; Italy
Prior art keywords: lattam; purification; procedure
Prior art date: 1973-09-24

Application number

IT27607/74A

Other languages

English (en)

Inventor

Michel Piensan

Potin Philippe

Original Assignee

Aquitaine Total Organico

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.)

1973-09-24

Filing date

1974-09-24

Publication date

1978-03-20

1974-09-24 Application filed by Aquitaine Total Organico filed Critical Aquitaine Total Organico

1978-03-20 Application granted granted Critical

1978-03-20 Publication of IT1022231B publication Critical patent/IT1022231B/it

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)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)
Polyamides (AREA)

IT27607/74A 1973-09-24 1974-09-24 Procedimento e dispositivo per la purificazione di lattam IT1022231B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7334103A FR2244761B1 (it)	1973-09-24	1973-09-24

Publications (1)

Publication Number	Publication Date
IT1022231B true IT1022231B (it)	1978-03-20

Family

ID=9125441

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT27607/74A IT1022231B (it)	1973-09-24	1974-09-24	Procedimento e dispositivo per la purificazione di lattam

Country Status (8)

Country	Link
US (1)	US3960846A (it)
JP (1)	JPS50105679A (it)
DE (1)	DE2445609A1 (it)
FR (1)	FR2244761B1 (it)
GB (1)	GB1474229A (it)
IT (1)	IT1022231B (it)
NL (1)	NL7412627A (it)
SU (1)	SU660591A3 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4837338A (en) *	1986-06-16	1989-06-06	Exxon Research And Engineering Company	Removal of impurities from n-methyl-pyrrolidone using highly pure water washed activated alumina
DE3736603A1 (de) *	1987-10-29	1989-05-11	Basf Ag	Verfahren zur reindarstellung von n-vinylpyrrolid-2-on
US6036865A (en) *	1998-06-15	2000-03-14	Union Carbide Chemicals & Plastics Technology Corporation	Separation processes
US6045703A (en) *	1998-06-15	2000-04-04	Union Carbide Chemicals & Plastics Technology Corporation	Separation processes
US7022844B2 (en)	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof
US7153978B2 (en) *	2004-03-03	2006-12-26	Lyondell Chemical Technology, L.P.	Method for purifying N-methyl-2-pyrrolidone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3154540A (en) *		1964-10-27		Purification of lactams
DE1926932A1 (de) *	1968-07-19	1970-01-22	Leuna Werke Veb	Verfahren zur Reinigung von Lactamen

1973
- 1973-09-24 FR FR7334103A patent/FR2244761B1/fr not_active Expired
1974
- 1974-09-20 US US05/508,020 patent/US3960846A/en not_active Expired - Lifetime
- 1974-09-23 SU SU742063990A patent/SU660591A3/ru active
- 1974-09-24 GB GB4148374A patent/GB1474229A/en not_active Expired
- 1974-09-24 NL NL7412627A patent/NL7412627A/xx not_active Application Discontinuation
- 1974-09-24 IT IT27607/74A patent/IT1022231B/it active
- 1974-09-24 JP JP49109918A patent/JPS50105679A/ja active Pending
- 1974-09-24 DE DE19742445609 patent/DE2445609A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
SU660591A3 (ru)	1979-04-30
FR2244761A1 (it)	1975-04-18
NL7412627A (nl)	1975-03-26
DE2445609A1 (de)	1975-03-27
FR2244761B1 (it)	1976-06-18
JPS50105679A (it)	1975-08-20
US3960846A (en)	1976-06-01
GB1474229A (en)	1977-05-18

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