BE858713A - Purification du epsilon-caprolactame - Google Patents

Purification du epsilon-caprolactame

Info

Publication number: BE858713A
Authority: BE; Belgium
Prior art keywords: caprolactam; epsilon; purification
Prior art date: 1976-09-15

Application number

BE180918A

Other languages

English (en)

Original Assignee

Bayer 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.)

1976-09-15

Filing date

1977-09-15

Publication date

1978-03-15

1977-09-15 Application filed by Bayer Ag filed Critical Bayer Ag

1978-03-15 Publication of BE858713A publication Critical patent/BE858713A/fr

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)
Polyamides (AREA)
Other In-Based Heterocyclic Compounds (AREA)
Pyrrole Compounds (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

BE180918A 1976-09-15 1977-09-15 Purification du epsilon-caprolactame BE858713A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19762641478 DE2641478A1 (de)	1976-09-15	1976-09-15	Reinigung von caprolactam

Publications (1)

Publication Number	Publication Date
BE858713A true BE858713A (fr)	1978-03-15

Family

ID=5987958

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE180918A BE858713A (fr)	1976-09-15	1977-09-15	Purification du epsilon-caprolactame

Country Status (9)

Country	Link
JP (1)	JPS5337687A (fr)
BE (1)	BE858713A (fr)
BR (1)	BR7706142A (fr)
DD (1)	DD132128A5 (fr)
DE (1)	DE2641478A1 (fr)
ES (1)	ES462353A1 (fr)
FR (1)	FR2364905A1 (fr)
GB (1)	GB1529559A (fr)
NL (1)	NL7710151A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2845075A1 (de) *	1978-10-17	1980-05-08	Basf Ag	Verfahren zur reinigung von rohcaprolactam
TW215084B (en) *	1992-04-17	1993-10-21	Sumitomo Chemical Co	Process for producing a high purity caprolactam

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1397132A (fr) *	1963-05-22	1965-04-30	Halcon International Inc	Procédé chimique de purification de lactames
FR1445047A (fr) *	1964-08-18	1966-07-08	Zimmer Verfahrenstechnik	Procédé de purification du caprolactame par oxydation

1976
- 1976-09-15 DE DE19762641478 patent/DE2641478A1/de not_active Withdrawn
1977
- 1977-09-12 DD DD20097577A patent/DD132128A5/xx unknown
- 1977-09-13 GB GB3810777A patent/GB1529559A/en not_active Expired
- 1977-09-14 ES ES462353A patent/ES462353A1/es not_active Expired
- 1977-09-14 BR BR7706142A patent/BR7706142A/pt unknown
- 1977-09-14 JP JP11005077A patent/JPS5337687A/ja active Pending
- 1977-09-15 NL NL7710151A patent/NL7710151A/xx not_active Application Discontinuation
- 1977-09-15 FR FR7727926A patent/FR2364905A1/fr active Granted
- 1977-09-15 BE BE180918A patent/BE858713A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1529559A (en)	1978-10-25
NL7710151A (nl)	1978-03-17
FR2364905B1 (fr)	1981-11-27
FR2364905A1 (fr)	1978-04-14
DE2641478A1 (de)	1978-03-23
ES462353A1 (es)	1978-06-16
BR7706142A (pt)	1978-07-04
DD132128A5 (de)	1978-08-30
JPS5337687A (en)	1978-04-06

Similar Documents

Publication	Publication Date	Title
IT1085095B (it)	1985-05-28	Produzione selettiva di para-dialchilbenzeni
BE837367A (fr)	1976-05-03	Element de construction
PL201049A1 (pl)	1979-01-29	Sposob wytwarzania nowych amidow pieciopeptydow
FI772854A7 (fi)	1978-04-07	Anordning foer utveckling av ozon
IT1082504B (it)	1985-05-21	Procedimento di purificazione di salamoie
PL209254A1 (pl)	1979-05-07	Sposob oczyszczania dwunitroanilin z nitrozoamin
FR2340298A1 (fr)	1977-09-02	Preparation de meta-aryloxy-benzaldehydes
BE855965A (fr)	1977-12-21	Preparation de gamma-pyrones
BE861036A (nl)	1978-05-22	Behandeling van silica
JPS535165A (en)	1978-01-18	Purification of dibenzylidenesorbitol
BE835330A (fr)	1976-05-07	Purification de l'urokinase
BE858718A (fr)	1978-03-15	Purification du epsilon-caprolactame
SE7703887L (sv)	1977-12-06	Spennring av staltrad
RO77284A (fr)	1981-08-17	Procede pour la preparation et la purification des resines epoxydes
JPS52148665A (en)	1977-12-10	Purification of caramel
SE7709995L (sv)	1978-03-08	Rening av klorgas
PL195311A1 (pl)	1978-02-27	Sposob wytwarzania amidow podstawionych 2-ketopirolidyna
FR2308685A1 (fr)	1976-11-19	Desucrage de la melasse
BE861034A (nl)	1978-05-22	Behandeling van silica
SE7714928L (sv)	1978-07-01	Isokinolin-acetamidderivat
BE855367A (fr)	1977-12-05	Purification de l'epsilon-caprolactame
BE830371A (fr)	1975-10-16	Purification de beta-naphtol
BE856414A (fr)	1978-01-04	Preparation de trans-hexahydrodibenzopyranones
IT1086620B (it)	1985-05-28	Procedimento per depurare alchilfenoli
IL53486A0 (en)	1978-01-31	Purification of aminophenol

Legal Events

Date

Code

Title

Description

1985-03-31

RE

Patent lapsed

Owner name: BAYER A.G.

Effective date: 19840915