[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

ES390416A1 - Procedimiento para la purificacion de epsilon-caprolactama. - Google Patents

Procedimiento para la purificacion de epsilon-caprolactama.

Info

Publication number
ES390416A1
ES390416A1 ES390416A ES390416A ES390416A1 ES 390416 A1 ES390416 A1 ES 390416A1 ES 390416 A ES390416 A ES 390416A ES 390416 A ES390416 A ES 390416A ES 390416 A1 ES390416 A1 ES 390416A1
Authority
ES
Spain
Prior art keywords
lactam
phase
hydrocarbon
purification
hydrocarbon phase
Prior art date
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
ES390416A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES390416A1 publication Critical patent/ES390416A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrrole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES390416A 1970-04-22 1971-04-21 Procedimiento para la purificacion de epsilon-caprolactama. Expired ES390416A1 (es)

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 (1)

Publication Number Publication Date
ES390416A1 true ES390416A1 (es) 1973-06-01

Family

ID=5768844

Family Applications (1)

Application Number Title Priority Date Filing Date
ES390416A Expired ES390416A1 (es) 1970-04-22 1971-04-21 Procedimiento para la purificacion de epsilon-caprolactama.

Country Status (9)

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

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
US2692878A (en) * 1954-10-26 Method forithe continuous produc-
US2861988A (en) * 1958-11-25 Caprolactam manufacture
US2221369A (en) * 1940-11-12 Process foe producing lactams
US2758991A (en) * 1956-08-14 Hvvevvtofry
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

Also Published As

Publication number Publication date
FR2086263B1 (es) 1975-07-04
FR2086263A1 (es) 1971-12-31
DE2019431C2 (de) 1981-10-15
US3755305A (en) 1973-08-28
NL7104914A (es) 1971-10-26
GB1294614A (en) 1972-11-01
CH553784A (de) 1974-09-13
BE766138A (fr) 1971-09-16
DE2019431A1 (de) 1971-11-04
CA921481A (en) 1973-02-20

Similar Documents

Publication Publication Date Title
Gaertner Cyclization of 1-alkylamino-3-halo 2-alkanols to 1-alkyl-3-azetidinols
US3485821A (en) Process for preparing caprolactam and its alkyl substituted derivatives
US3462417A (en) Refinements in the distillation of lactams from solutions thereof
ES8505339A1 (es) Procedimiento para recuperar caprolactama del residuo que queda en la destilacion, bajo presion reducida, de caprolactama impura obtenida por transposicion de ciclohexanona-oxima
GB1279362A (en) Single stage crystallization process for separating high purity paraxylene
ES390416A1 (es) Procedimiento para la purificacion de epsilon-caprolactama.
GB1361922A (en) Process for purifying lactams
US3063986A (en) Process for the production of a
GB1352738A (en) Separation of adipic acid from mixtures thereof
US3544562A (en) Process for the manufacture of omega-decalactam using epsilon-caprolactam as a solvent therefor
US2988546A (en) Lactam
GB1274798A (en) A process for preparing 2,2-di(4-hydroxyphenyl) propane of a high degree of purity
Shingaki et al. Reaction of Dichlorocarbene and Primary Amines—preparation of Aromatic Isocyanides
KR940005567A (ko) 고순도 카프로락탐의 제조방법
US2827490A (en) Mesityl oxide
GB1088220A (en) Purification process
US3336299A (en) Process for preparing lactams by oxidation of cyclic amines
Ogata et al. The Synthesis of Bicyclic Lactam Ether
US3882102A (en) Process for the purification of caprolactam
GB1106740A (en) Process for the preparation of lactams
GB1188216A (en) Improvement in process for preparing a Lactam
GB1340370A (en) Process for the purification of o-hydroxydiphenyl
US3265733A (en) Production of oximes of cyclo- aliphatic ketones
GB1353448A (en) Process for preparing lactams
GB1208364A (en) Purification process involving two crystallization stages for separating paraxylene from an aromatic hydrocarbon fraction