DD132128A5 - PROCESS FOR CLEANING CAPROLACTAM - Google Patents

PROCESS FOR CLEANING CAPROLACTAM

Info

Publication number: DD132128A5
Authority: DD; German Democratic Republic
Prior art keywords: caprolactam; cleaning; cleaning caprolactam
Prior art date: 1976-09-15

Application number

DD20097577A

Other languages

German (de)

Inventor

Harry Danziger

Otto Immel

Bernd-Ulrich Kaiser

Guido Rampart

Hans-Helmut Schwarz

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

1977-09-12

Publication date

1978-08-30

1977-09-12 Application filed by Bayer Ag filed Critical Bayer Ag

1978-08-30 Publication of DD132128A5 publication Critical patent/DD132128A5/en

Links

JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title 2
238000004140 cleaning Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

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)
Other In-Based Heterocyclic Compounds (AREA)
Pyrrole Compounds (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyamides (AREA)

DD20097577A 1976-09-15 1977-09-12 PROCESS FOR CLEANING CAPROLACTAM DD132128A5 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19762641478 DE2641478A1 (en)	1976-09-15	1976-09-15	CLEANING CAPROLACTAM

Publications (1)

Publication Number	Publication Date
DD132128A5 true DD132128A5 (en)	1978-08-30

Family

ID=5987958

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD20097577A DD132128A5 (en)	1976-09-15	1977-09-12	PROCESS FOR CLEANING CAPROLACTAM

Country Status (9)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2845075A1 (en) *	1978-10-17	1980-05-08	Basf Ag	METHOD FOR PURIFYING 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 (en) *	1963-05-22	1965-04-30	Halcon International Inc	Chemical process for the purification of lactams
FR1445047A (en) *	1964-08-18	1966-07-08	Zimmer Verfahrenstechnik	Process for the purification of caprolactam by oxidation

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- 1976-09-15 DE DE19762641478 patent/DE2641478A1/en not_active Withdrawn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

Also Published As

Publication number	Publication date
FR2364905B1 (en)	1981-11-27
BR7706142A (en)	1978-07-04
ES462353A1 (en)	1978-06-16
JPS5337687A (en)	1978-04-06
BE858713A (en)	1978-03-15
FR2364905A1 (en)	1978-04-14
NL7710151A (en)	1978-03-17
DE2641478A1 (en)	1978-03-23
GB1529559A (en)	1978-10-25

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