GB1522584A – Process for recovering epsilon-caprolactam from an epsilon-caprolactam/sulphuric acid reaction mixture
– Google Patents
GB1522584A – Process for recovering epsilon-caprolactam from an epsilon-caprolactam/sulphuric acid reaction mixture
– Google Patents
Process for recovering epsilon-caprolactam from an epsilon-caprolactam/sulphuric acid reaction mixture
Info
Publication number
GB1522584A
GB1522584A
GB25903/77A
GB2590377A
GB1522584A
GB 1522584 A
GB1522584 A
GB 1522584A
GB 25903/77 A
GB25903/77 A
GB 25903/77A
GB 2590377 A
GB2590377 A
GB 2590377A
GB 1522584 A
GB1522584 A
GB 1522584A
Authority
GB
United Kingdom
Prior art keywords
caprolactam
epsilon
reaction mixture
sulphuric acid
recovering
Prior art date
1976-06-28
Legal status (The legal status 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 status listed.)
Expired
Application number
GB25903/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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.)
1976-06-28
Filing date
1977-06-21
Publication date
1978-08-23
1977-06-21
Application filed by Stamicarbon BV
filed
Critical
Stamicarbon BV
1978-08-23
Publication of GB1522584A
publication
Critical
patent/GB1522584A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
GB25903/77A
1976-06-28
1977-06-21
Process for recovering epsilon-caprolactam from an epsilon-caprolactam/sulphuric acid reaction mixture
Expired
GB1522584A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
NL7607047A
NL7607047A
(en)
1976-06-28
1976-06-28
PROCEDURE FOR GENERATING EPSILON CAPROLACTAM FROM AN EPSILON CAPROLACTAM-SULFURIC ACID REACTION MIXTURE.
Publications (1)
Publication Number
Publication Date
GB1522584A
true
GB1522584A
(en)
1978-08-23
Family
ID=19826462
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB25903/77A
Expired
GB1522584A
(en)
1976-06-28
1977-06-21
Process for recovering epsilon-caprolactam from an epsilon-caprolactam/sulphuric acid reaction mixture
Country Status (15)
Country
Link
US
(1)
US4140685A
(en)
JP
(1)
JPS6047254B2
(en)
AR
(1)
AR216766A1
(en)
BE
(1)
BE856019A
(en)
BR
(1)
BR7704190A
(en)
CA
(1)
CA1085836A
(en)
CH
(1)
CH629784A5
(en)
DE
(1)
DE2728606A1
(en)
ES
(1)
ES460035A1
(en)
FR
(1)
FR2356640A1
(en)
GB
(1)
GB1522584A
(en)
IT
(1)
IT1079706B
(en)
MX
(1)
MX4280E
(en)
NL
(1)
NL7607047A
(en)
SU
(1)
SU710517A3
(en)
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
NL7700882A
(en)
*
1977-01-28
1978-08-01
Stamicarbon
PROCEDURE FOR GENERATING EPSILON CAPROLAC TAM FROM AN EPSILON CAPROLACTAM SULFUR ACID REACTION MIXTURE.
US5900482A
(en)
*
1995-07-20
1999-05-04
Mitsubishi Chemical Corporation
Process for the preparation of ε-caprolactam
US7022844B2
(en)
2002-09-21
2006-04-04
Honeywell International Inc.
Amide-based compounds, production, recovery, purification and uses thereof
MY188597A
(en)
2017-03-31
2021-12-22
Senju Metal Industry Co
Solder alloy, solder paste, and solder joint
Family Cites Families (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
NL282684A
(en)
*
1961-08-30
1900-01-01
NL164028C
(en)
*
1971-05-07
1980-11-17
Stamicarbon
METHOD FOR SEPARATING LACTAMS
US3852273A
(en)
*
1971-05-07
1974-12-03
Stamicarbon
Process for preparing and recovering lactams
DE2130037B2
(en)
*
1971-06-18
1977-02-10
Davy Powergas GmbH, 5000Köln
METHOD FOR PRODUCING LACTAMEN
DE2130036B2
(en)
*
1971-06-18
1977-02-10
Davy Powergas GmbH, 5000 Köln
METHOD FOR PRODUCING LACTAMEN
BE792559A
(en)
*
1971-12-11
1973-06-12
Stamicarbon
PROCESS FOR THE SEPARATION OF LACTAMES
US3859278A
(en)
*
1972-12-11
1975-01-07
Stamicarbon
Process for separating lactams
1976
1976-06-28
NL
NL7607047A
patent/NL7607047A/en
not_active
Application Discontinuation
1977
1977-06-21
IT
IT49923/77A
patent/IT1079706B/en
active
1977-06-21
GB
GB25903/77A
patent/GB1522584A/en
not_active
Expired
1977-06-22
SU
SU772499152A
patent/SU710517A3/en
active
1977-06-23
ES
ES460035A
patent/ES460035A1/en
not_active
Expired
1977-06-23
AR
AR268170A
patent/AR216766A1/en
active
1977-06-23
BE
BE178699A
patent/BE856019A/en
not_active
IP Right Cessation
1977-06-24
DE
DE19772728606
patent/DE2728606A1/en
not_active
Ceased
1977-06-24
CA
CA281,360A
patent/CA1085836A/en
not_active
Expired
1977-06-24
FR
FR7719412A
patent/FR2356640A1/en
active
Granted
1977-06-24
JP
JP52075369A
patent/JPS6047254B2/en
not_active
Expired
1977-06-27
US
US05/810,568
patent/US4140685A/en
not_active
Expired – Lifetime
1977-06-27
BR
BR7704190A
patent/BR7704190A/en
unknown
1977-06-27
MX
MX775844U
patent/MX4280E/en
unknown
1977-06-28
CH
CH792477A
patent/CH629784A5/en
not_active
IP Right Cessation
Also Published As
Publication number
Publication date
MX4280E
(en)
1982-03-11
IT1079706B
(en)
1985-05-13
CA1085836A
(en)
1980-09-16
DE2728606A1
(en)
1977-12-29
NL7607047A
(en)
1977-12-30
AR216766A1
(en)
1980-01-31
JPS6047254B2
(en)
1985-10-21
ES460035A1
(en)
1978-05-01
SU710517A3
(en)
1980-01-15
BR7704190A
(en)
1978-03-21
BE856019A
(en)
1977-12-23
CH629784A5
(en)
1982-05-14
JPS532490A
(en)
1978-01-11
US4140685A
(en)
1979-02-20
FR2356640B1
(en)
1982-07-16
FR2356640A1
(en)
1978-01-27
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Legal Events
Date
Code
Title
Description
1978-12-20
PS
Patent sealed [section 19, patents act 1949]
1987-02-11
PCNP
Patent ceased through non-payment of renewal fee
