IT957747B - Procedimento per la preparazione di lattami - Google Patents

Procedimento per la preparazione di lattami

Info

Publication number: IT957747B
Authority: IT; Italy
Prior art keywords: lactames; procedure; preparation
Prior art date: 1971-05-07

Application number

IT50094/72A

Other languages

English (en)

Original Assignee

Stamicarbon

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.)

1971-05-07

Filing date

1972-05-06

Publication date

1973-10-20

1971-05-07 Priority claimed from NL7106341.A external-priority patent/NL162375C/xx

1971-11-03 Priority claimed from NL7115110A external-priority patent/NL7115110A/xx

1972-05-06 Application filed by Stamicarbon filed Critical Stamicarbon

1973-10-20 Application granted granted Critical

1973-10-20 Publication of IT957747B publication Critical patent/IT957747B/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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Other In-Based Heterocyclic Compounds (AREA)

IT50094/72A 1971-05-07 1972-05-06 Procedimento per la preparazione di lattami IT957747B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL7106341.A NL162375C (nl)	1971-05-07	1971-05-07	Verbeterde werkwijze voor de bereiding en winning van lactamen.
NL7115110A NL7115110A (en)	1971-11-03	1971-11-03	Lactams - by intramoleculr reaction of corresponding - ketoximes in sulphuric acid medium

Publications (1)

Publication Number	Publication Date
IT957747B true IT957747B (it)	1973-10-20

Family

ID=26644654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT50094/72A IT957747B (it)	1971-05-07	1972-05-06	Procedimento per la preparazione di lattami

Country Status (15)

Country	Link
US (1)	US3852273A (it)
JP (1)	JPS528320B1 (it)
AT (1)	AT316573B (it)
AU (1)	AU459340B2 (it)
BE (1)	BE783100A (it)
BG (1)	BG26667A3 (it)
CA (1)	CA989830A (it)
CH (1)	CH605736A5 (it)
DD (1)	DD96236A5 (it)
DE (1)	DE2222216A1 (it)
ES (1)	ES402472A1 (it)
FR (1)	FR2137622B1 (it)
IL (1)	IL39345A (it)
IT (1)	IT957747B (it)
SE (1)	SE377334B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2130036B2 (de) *	1971-06-18	1977-02-10	Davy Powergas GmbH, 5000 Köln	Verfahren zur herstellung von lactamen
DE2130037B2 (de) *	1971-06-18	1977-02-10	Davy Powergas GmbH, 5000Köln	Verfahren zur herstellung von lactamen
NL7308100A (it) *	1973-06-12	1974-12-16
NL7308834A (it) *	1973-06-26	1974-12-30
CH593934A5 (it) *	1974-09-03	1977-12-30	Inventa Ag
JPS523261A (en) *	1975-06-24	1977-01-11	Sumitomo Chem Co Ltd	Purification method for polluted water
NL7601061A (nl) *	1976-02-03	1977-08-05	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
NL7607047A (nl) *	1976-06-28	1977-12-30	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.
DE2656182C3 (de) *	1976-12-11	1979-10-04	Basf Ag, 6700 Ludwigshafen	Verfahren zur kontinuierlichen Extraktion von Caprolactam aus Wasser enthaltendem Rohlactam
DE4132498A1 (de) *	1991-09-30	1993-04-01	Basf Ag	Verfahren zur herstellung von caprolactam durch beckmann'sche umlagerung von cyclohexanonoxim

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3133055A (en) *		1964-05-12		Production ofcaprolactam
NL132894C (it) *	1961-08-30	1900-01-01
DE1199243B (de) *	1963-07-10	1965-08-26	Huels Chemische Werke Ag	Verfahren zur Herstellung schwefeldioxydhaltiger Gase aus ammoniumsalzhaltigen Abfallschwefelsaeuren
NL136780C (it) *	1963-10-31
GB1084096A (it) *	1963-12-03	1900-01-01
DE1229995B (de) *	1964-01-17	1966-12-08	Chemiebau Dr A Zieren Ges Mit	Verfahren zur Gewinnung von Ammoniak und Schwefeldioxyd
NL144600B (nl) *	1964-03-07	1975-01-15	Stamicarbon	Afscheiding van lactamen uit een sterk zwavelzuur milieu.
US3404947A (en) *	1966-02-14	1968-10-08	Standard Oil Co	Process for waste disposal
US3694433A (en) *	1971-08-27	1972-09-26	Allied Chem	Method for the recovery of caprolactam

1972
- 1972-05-02 CA CA141,066A patent/CA989830A/en not_active Expired
- 1972-05-02 US US00249727A patent/US3852273A/en not_active Expired - Lifetime
- 1972-05-03 IL IL39345A patent/IL39345A/xx unknown
- 1972-05-03 AU AU41855/72A patent/AU459340B2/en not_active Expired
- 1972-05-05 CH CH671772A patent/CH605736A5/xx not_active IP Right Cessation
- 1972-05-05 DD DD162817A patent/DD96236A5/xx unknown
- 1972-05-05 DE DE19722222216 patent/DE2222216A1/de not_active Ceased
- 1972-05-05 BE BE783100A patent/BE783100A/xx unknown
- 1972-05-05 AT AT395672A patent/AT316573B/de active
- 1972-05-06 ES ES402472A patent/ES402472A1/es not_active Expired
- 1972-05-06 BG BG7220415A patent/BG26667A3/xx unknown
- 1972-05-06 IT IT50094/72A patent/IT957747B/it active
- 1972-05-08 SE SE7206066A patent/SE377334B/xx unknown
- 1972-05-08 JP JP47045286A patent/JPS528320B1/ja active Pending
- 1972-05-08 FR FR7216368A patent/FR2137622B1/fr not_active Expired

Also Published As

Publication number	Publication date
CA989830A (en)	1976-05-25
US3852273A (en)	1974-12-03
BE783100A (fr)	1972-11-06
AT316573B (de)	1974-07-25
FR2137622B1 (it)	1979-08-24
BG26667A3 (it)	1979-05-15
JPS528320B1 (it)	1977-03-08
AU4185572A (en)	1973-11-08
DD96236A5 (it)	1973-03-12
DE2222216A1 (de)	1972-11-23
AU459340B2 (en)	1975-03-20
IL39345A (en)	1975-07-28
SE377334B (it)	1975-06-30
ES402472A1 (es)	1975-04-01
FR2137622A1 (it)	1972-12-29
IL39345A0 (en)	1972-07-26
CH605736A5 (it)	1978-10-13

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