NL8002554A - Werkwijze voor het zuiveren van ruw caprolactam. - Google Patents

Werkwijze voor het zuiveren van ruw caprolactam. Download PDF

Info

Publication number: NL8002554A
Authority: NL; Netherlands
Prior art keywords: caprolactam; organic solvent; amides; process according; products
Prior art date: 1979-05-04

Application number

NL8002554A

Other languages

English (en)

Dutch (nl)

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.)

1979-05-04

Filing date

1980-05-02

Publication date

1980-11-06

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11195124&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL8002554(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1980-05-02 Application filed by Snia Viscosa filed Critical Snia Viscosa

1980-11-06 Publication of NL8002554A publication Critical patent/NL8002554A/nl

Links

JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 92
238000000034 method Methods 0.000 title claims description 35
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 45
150000001408 amides Chemical class 0.000 claims description 21
239000003960 organic solvent Substances 0.000 claims description 15
239000000243 solution Substances 0.000 claims description 14
239000006227 byproduct Substances 0.000 claims description 12
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
239000002253 acid Substances 0.000 claims description 8
229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
239000011707 mineral Substances 0.000 claims description 8
238000000746 purification Methods 0.000 claims description 6
239000012535 impurity Substances 0.000 claims description 5
PNZXMIKHJXIPEK-UHFFFAOYSA-N cyclohexanecarboxamide Chemical compound NC(=O)C1CCCCC1 PNZXMIKHJXIPEK-UHFFFAOYSA-N 0.000 claims description 4
239000000203 mixture Substances 0.000 claims description 3
230000015572 biosynthetic process Effects 0.000 claims description 2
125000004432 carbon atom Chemical group C* 0.000 claims description 2
238000010790 dilution Methods 0.000 claims description 2
239000012895 dilution Substances 0.000 claims description 2
150000002430 hydrocarbons Chemical group 0.000 claims description 2
150000003140 primary amides Chemical class 0.000 claims description 2
238000004821 distillation Methods 0.000 description 7
150000003951 lactams Chemical class 0.000 description 4
239000000047 product Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
239000000126 substance Substances 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 2
238000000605 extraction Methods 0.000 description 2
IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical compound CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
229920002292 Nylon 6 Polymers 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
239000005708 Sodium hypochlorite Substances 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
238000010923 batch production Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000010908 decantation Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
238000000053 physical method Methods 0.000 description 1
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
239000002904 solvent Substances 0.000 description 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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyrrole Compounds (AREA)

NL8002554A 1979-05-04 1980-05-02 Werkwijze voor het zuiveren van ruw caprolactam. NL8002554A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT22355/79A IT1112840B (it)	1979-05-04	1979-05-04	Metodo per la purificazione del caprolattame grezzo contenente ammidi e daltri sottoprodotti
IT2235579		1979-05-04

Publications (1)

Publication Number	Publication Date
NL8002554A true NL8002554A (nl)	1980-11-06

Family

ID=11195124

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8002554A NL8002554A (nl)	1979-05-04	1980-05-02	Werkwijze voor het zuiveren van ruw caprolactam.

Country Status (14)

Country	Link
US (1)	US4293494A (it)
JP (1)	JPS55149249A (it)
AU (1)	AU538254B2 (it)
BE (1)	BE883110A (it)
BR (1)	BR8002641A (it)
CA (1)	CA1132546A (it)
DE (1)	DE3016335A1 (it)
ES (1)	ES491101A0 (it)
FR (1)	FR2455584A1 (it)
GB (1)	GB2050354A (it)
IN (1)	IN153035B (it)
IT (1)	IT1112840B (it)
MX (1)	MX153697A (it)
NL (1)	NL8002554A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10124579A1 (de) *	2001-05-21	2002-12-05	Bayer Ag	Verfahren und Vorrichtung zur Extraktion von Polyamid
US7022844B2 (en)	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof
CN107556240B (zh) *	2016-08-24	2020-10-30	沧州旭阳化工有限公司	一种己内酰胺精制方法及精制己内酰胺的系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2758991A (en) *		1956-08-14		Hvvevvtofry
FR1053885A (fr) *	1950-07-26	1954-02-05	Inventa Ag	Procédé de préparation en continu de lactames purs par extraction
US3359260A (en) *	1964-12-30	1967-12-19	Union Carbide Corp	Purification of epsilon-caprolactams
DE1670861A1 (de) *	1967-04-27	1971-03-11	Bayer Ag	Verfahren zur Reinigung von Lactamen
NL7700234A (nl) *	1977-01-12	1978-07-14	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit epsilon-caprolactam- bevattend destil- latieresidu.

1979
- 1979-05-04 IT IT22355/79A patent/IT1112840B/it active
1980
- 1980-04-21 GB GB8013028A patent/GB2050354A/en not_active Withdrawn
- 1980-04-24 US US06/143,418 patent/US4293494A/en not_active Expired - Lifetime
- 1980-04-28 DE DE19803016335 patent/DE3016335A1/de not_active Withdrawn
- 1980-04-29 BR BR8002641A patent/BR8002641A/pt unknown
- 1980-04-30 MX MX182177A patent/MX153697A/es unknown
- 1980-05-02 AU AU58037/80A patent/AU538254B2/en not_active Ceased
- 1980-05-02 NL NL8002554A patent/NL8002554A/nl not_active Application Discontinuation
- 1980-05-02 JP JP5937880A patent/JPS55149249A/ja active Pending
- 1980-05-02 ES ES491101A patent/ES491101A0/es active Granted
- 1980-05-02 CA CA351,180A patent/CA1132546A/en not_active Expired
- 1980-05-03 IN IN513/CAL/80A patent/IN153035B/en unknown
- 1980-05-05 FR FR8009987A patent/FR2455584A1/fr active Pending
- 1980-05-05 BE BE2/466A patent/BE883110A/fr unknown

Also Published As

Publication number	Publication date
CA1132546A (en)	1982-09-28
IT1112840B (it)	1986-01-20
FR2455584A1 (fr)	1980-11-28
JPS55149249A (en)	1980-11-20
ES8104234A1 (es)	1981-04-01
BR8002641A (pt)	1980-12-09
DE3016335A1 (de)	1980-11-13
US4293494A (en)	1981-10-06
GB2050354A (en)	1981-01-07
MX153697A (es)	1986-12-19
AU538254B2 (en)	1984-08-02
AU5803780A (en)	1980-11-06
IT7922355A0 (it)	1979-05-04
IN153035B (it)	1984-05-19
ES491101A0 (es)	1981-04-01
BE883110A (fr)	1980-11-05

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Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1987-07-01	BV	The patent application has lapsed