FR2086263B1 - - Google Patents

Info

Publication number: FR2086263B1
Authority: FR; France
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

FR7114411A

Other versions

FR2086263A1 (fr

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.)

Bayer AG

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.)

1970-04-22

Filing date

1971-04-22

Publication date

1975-07-04

1971-04-22 Application filed by Bayer AG filed Critical Bayer AG

1971-12-31 Publication of FR2086263A1 publication Critical patent/FR2086263A1/fr

1975-07-04 Application granted granted Critical

1975-07-04 Publication of FR2086263B1 publication Critical patent/FR2086263B1/fr

Status Expired legal-status Critical Current

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)
Other In-Based Heterocyclic Compounds (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyrrole Compounds (AREA)

FR7114411A 1970-04-22 1971-04-22 Expired FR2086263B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2019431A DE2019431C2 (de)	1970-04-22	1970-04-22	Verfahren zur Reinigung von Caprolactam

Publications (2)

Publication Number	Publication Date
FR2086263A1 FR2086263A1 (fr)	1971-12-31
FR2086263B1 true FR2086263B1 (fr)	1975-07-04

Family

ID=5768844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7114411A Expired FR2086263B1 (fr)	1970-04-22	1971-04-22

Country Status (9)

Country	Link
US (1)	US3755305A (fr)
BE (1)	BE766138A (fr)
CA (1)	CA921481A (fr)
CH (1)	CH553784A (fr)
DE (1)	DE2019431C2 (fr)
ES (1)	ES390416A1 (fr)
FR (1)	FR2086263B1 (fr)
GB (1)	GB1294614A (fr)
NL (1)	NL7104914A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2641454A1 (de) *	1976-09-15	1978-03-23	Bayer Ag	Verfahren zur reinigung von epsilon-caprolactam
DE2926279A1 (de) *	1979-06-29	1981-01-08	Basf Ag	Verfahren zur reinigung von caprolactam
TW215084B (en) *	1992-04-17	1993-10-21	Sumitomo Chemical Co	Process for producing a high purity caprolactam

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2758991A (en) *		1956-08-14		Hvvevvtofry
US2221369A (en) *		1940-11-12		Process foe producing lactams
US2692878A (en) *		1954-10-26		Method forithe continuous produc-
US2861988A (en) *		1958-11-25		Caprolactam manufacture
CH450433A (de) *	1965-06-15	1968-01-31	Inventa Ag	Verfahren zur Reinigung von Lactamen
GB1198428A (en) *	1967-07-18	1970-07-15	Bp Chem Int Ltd	Solvent Extraction Process for Caprolactam

1970
- 1970-04-22 DE DE2019431A patent/DE2019431C2/de not_active Expired
1971
- 1971-03-24 CH CH427271A patent/CH553784A/xx not_active IP Right Cessation
- 1971-04-13 NL NL7104914A patent/NL7104914A/xx not_active Application Discontinuation
- 1971-04-15 US US00134310A patent/US3755305A/en not_active Expired - Lifetime
- 1971-04-19 CA CA110660A patent/CA921481A/en not_active Expired
- 1971-04-21 ES ES390416A patent/ES390416A1/es not_active Expired
- 1971-04-21 GB GB00347/71A patent/GB1294614A/en not_active Expired
- 1971-04-22 BE BE766138A patent/BE766138A/fr not_active IP Right Cessation
- 1971-04-22 FR FR7114411A patent/FR2086263B1/fr not_active Expired

Also Published As

Publication number	Publication date
US3755305A (en)	1973-08-28
CH553784A (de)	1974-09-13
NL7104914A (fr)	1971-10-26
CA921481A (en)	1973-02-20
BE766138A (fr)	1971-09-16
DE2019431C2 (de)	1981-10-15
GB1294614A (en)	1972-11-01
ES390416A1 (es)	1973-06-01
FR2086263A1 (fr)	1971-12-31
DE2019431A1 (de)	1971-11-04

Legal Events

Date	Code	Title	Description
1985-02-22	ST	Notification of lapse

Publication	Publication Date	Title
AR204384A1 (fr)	1976-02-06
JPS4915276B1 (fr)	1974-04-13
ATA96471A (fr)	1973-02-15
FR2081622B1 (fr)	1974-02-15
AU1146470A (fr)	1971-08-19
AU1473870A (fr)	1971-11-11
AU1336970A (fr)	1971-10-07
AU2130570A (fr)	1972-04-27
AU1517670A (fr)	1971-11-18
AU2085370A (fr)	1972-04-13
AU1326870A (fr)	1971-10-28
AR195465A1 (fr)	1973-10-15
AU2112570A (fr)	1972-04-20
ATA672271A (fr)	1973-12-15
AU1189670A (fr)	1971-02-18
AU1235770A (fr)	1971-09-16
AU1247570A (fr)	1971-09-16
AU1277070A (fr)	1971-09-23
AU2115870A (fr)	1972-04-20
AU1581370A (fr)	1971-12-09
AU1328670A (fr)	1971-10-07
AU1086670A (fr)	1971-08-05
AU1343870A (fr)	1971-10-07
AU1083170A (fr)	1971-08-05
AU2119370A (fr)	1972-04-20