IT945554B - Procedimento per la purificazione di lattami - Google Patents

Procedimento per la purificazione di lattami

Info

Publication number: IT945554B
Authority: IT; Italy
Prior art keywords: lactames; purification; procedure
Prior art date: 1971-01-06

Application number

IT54875/71A

Other languages

English (en)

Inventor

C Berther

D Deiters

H Schultze

R Henn

Original Assignee

Inventa 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.)

1971-01-06

Filing date

1971-12-20

Publication date

1973-05-10

1971-12-20 Application filed by Inventa Ag filed Critical Inventa Ag

1973-05-10 Application granted granted Critical

1973-05-10 Publication of IT945554B publication Critical patent/IT945554B/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)
Pyrrole Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Other In-Based Heterocyclic Compounds (AREA)

IT54875/71A 1971-01-06 1971-12-20 Procedimento per la purificazione di lattami IT945554B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH9971		1971-01-06

Publications (1)

Publication Number	Publication Date
IT945554B true IT945554B (it)	1973-05-10

Family

ID=4179219

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT54875/71A IT945554B (it)	1971-01-06	1971-12-20	Procedimento per la purificazione di lattami

Country Status (17)

Country	Link
US (1)	US3792045A (it)
JP (1)	JPS5133916B1 (it)
AT (1)	AT318640B (it)
AU (1)	AU3759972A (it)
BE (1)	BE776979A (it)
CA (1)	CA962623A (it)
CH (1)	CH547286A (it)
DE (1)	DE2163259B2 (it)
ES (1)	ES398140A1 (it)
FR (1)	FR2121602B1 (it)
GB (1)	GB1361922A (it)
HU (1)	HU170436B (it)
IE (1)	IE36552B1 (it)
IT (1)	IT945554B (it)
NL (1)	NL7117481A (it)
PL (1)	PL88936B1 (it)
TR (1)	TR16851A (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE794622A (fr) *	1972-01-28	1973-07-26	Bayer Ag	Procede de purification du caprolactame
DE2641454A1 (de) *	1976-09-15	1978-03-23	Bayer Ag	Verfahren zur reinigung von epsilon-caprolactam
DE2845075A1 (de) *	1978-10-17	1980-05-08	Basf Ag	Verfahren zur reinigung von rohcaprolactam
DE3729853A1 (de) *	1987-09-05	1989-03-23	Basf Ag	Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen
US4985591A (en) *	1988-08-15	1991-01-15	E. I. Du Pont De Nemours And Company	Acid catalysts for low temperature cure of coating compositions
TW215084B (en) *	1992-04-17	1993-10-21	Sumitomo Chemical Co	Process for producing a high purity caprolactam
JP4182273B2 (ja) *	2000-06-27	2008-11-19	住友化学株式会社	ε−カプロラクタムの製造方法
US20110245510A1 (en) *	2008-11-28	2011-10-06	Basf Se	Process for removing by-products from n-vinylamides
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
JP2011201865A (ja) *	2010-03-02	2011-10-13	Sumitomo Chemical Co Ltd	ε−カプロラクタムの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE861383C (de) *		1952-11-13	Badische Anilin- &. Soda-Fabrik (I. G. Farbenindustrie Aktiengesellschaft "In Auflösung"), Ludwigshafen/Rhein	Verfahren zur Reinigung von basische Nebenprodukte enthaltenden Lactamen, insbesondere e-Caprolactam
DE739953C (de) *	1940-12-03	1943-10-26	Ig Farbenindustrie Ag	Verfahren zur Reinigung von Lactamen
DE748460C (de) *	1941-10-26	1944-11-03		Verfahren zur Reinigung von Lactamen
CH281128A (de) *	1948-03-02	1952-02-29	Chemicke Z Na Slovensku Narodn	Verfahren zur Reinigung von Laktamen.
DE1022591B (de) *	1953-06-27	1958-01-16	Inventa A G Fuer Forschung & P	Verfahren zur Nachreinigung von Lactamen der ªÏ-Aminocarbonsaeuren
DE1186068B (de) *	1959-10-06	1965-01-28	Basf Ag	Verfahren zum Konfektionieren von Capryllactam

1971
- 1971-01-06 CH CH9971A patent/CH547286A/xx not_active IP Right Cessation
- 1971-12-20 DE DE19712163259 patent/DE2163259B2/de not_active Withdrawn
- 1971-12-20 NL NL7117481A patent/NL7117481A/xx unknown
- 1971-12-20 IT IT54875/71A patent/IT945554B/it active
- 1971-12-20 BE BE776979A patent/BE776979A/xx unknown
- 1971-12-20 JP JP46103567A patent/JPS5133916B1/ja active Pending
- 1971-12-20 ES ES398140A patent/ES398140A1/es not_active Expired
- 1971-12-20 PL PL1971152315A patent/PL88936B1/pl unknown
- 1971-12-21 CA CA130,667A patent/CA962623A/en not_active Expired
- 1971-12-22 US US00211102A patent/US3792045A/en not_active Expired - Lifetime
1972
- 1972-01-04 TR TR16851A patent/TR16851A/xx unknown
- 1972-01-04 IE IE10/72A patent/IE36552B1/xx unknown
- 1972-01-04 AT AT3372A patent/AT318640B/de not_active IP Right Cessation
- 1972-01-05 AU AU37599/72A patent/AU3759972A/en not_active Expired
- 1972-01-05 FR FR7200254A patent/FR2121602B1/fr not_active Expired
- 1972-01-06 GB GB68072A patent/GB1361922A/en not_active Expired
- 1972-01-06 HU HUIE485A patent/HU170436B/hu unknown

Also Published As

Publication number	Publication date
BE776979A (fr)	1972-04-17
TR16851A (tr)	1973-07-01
PL88936B1 (it)	1976-10-30
AU3759972A (en)	1973-07-12
CA962623A (en)	1975-02-11
JPS5133916B1 (it)	1976-09-22
US3792045A (en)	1974-02-12
DE2163259B2 (de)	1976-02-12
IE36552L (en)	1972-07-06
AT318640B (de)	1974-11-11
DE2163259A1 (de)	1972-09-21
HU170436B (it)	1977-06-28
ES398140A1 (es)	1974-07-16
IE36552B1 (en)	1976-12-08
GB1361922A (en)	1974-07-30
CH547286A (de)	1974-03-29
FR2121602B1 (it)	1974-06-21
NL7117481A (it)	1972-07-10
FR2121602A1 (it)	1972-08-25

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