GB1044018A - Purification of lactams - Google Patents

Purification of lactams

Info

Publication number
GB1044018A
GB1044018A GB3030063A GB3030063A GB1044018A GB 1044018 A GB1044018 A GB 1044018A GB 3030063 A GB3030063 A GB 3030063A GB 3030063 A GB3030063 A GB 3030063A GB 1044018 A GB1044018 A GB 1044018A
Authority
GB
United Kingdom
Prior art keywords
oxide
activated
laurolactam
dust
lactam
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
GB3030063A
Other languages
English (en)
Inventor
Ludwig Beer
Horst Metzger
Dieter Weiser
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1044018A publication Critical patent/GB1044018A/en
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)
  • Polyamides (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
GB3030063A 1962-08-04 1963-07-31 Purification of lactams Expired GB1044018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB68313A DE1263772B (de) 1962-08-04 1962-08-04 Verfahren zur Reinigung von Lactamen

Publications (1)

Publication Number Publication Date
GB1044018A true GB1044018A (en) 1966-09-28

Family

ID=6975848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3030063A Expired GB1044018A (en) 1962-08-04 1963-07-31 Purification of lactams

Country Status (3)

Country Link
DE (1) DE1263772B (de)
GB (1) GB1044018A (de)
NL (1) NL296097A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL134009C (de) * 1967-08-14

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739953C (de) * 1940-12-03 1943-10-26 Ig Farbenindustrie Ag Verfahren zur Reinigung von Lactamen
DE745224C (de) * 1941-06-28 1944-03-01 Ig Farbenindustrie Ag Verfahren zur Reinigung von Lactamen
FR904162A (fr) * 1941-10-27 1945-10-29 Deutsche Hydrierwerke Ag Procédé de purification de lactames
DE748291C (de) * 1941-10-28 1944-10-31 Verfahren zur Reinigung von Lactamen
DE891548C (de) * 1943-07-23 1953-09-28 Hydrierwerke A G Deutsche Verfahren zur Reinigung von Lactamen
DE850446C (de) * 1950-02-04 1952-09-25 Siemens Ag Verfahren und Einrichtung zur Bestrahlung, insbesondere Ultraviolett-bestrahlung, von stroemenden fluessigen oder gasfoermigen Stoffen oder Suspensionen
AT175884B (de) * 1951-01-18 1953-08-25 Directie Van De Staatsmijnen Verfahren zur Trennung von Caprolactam aus seinen Lösungen in Schwefelsäure oder Oleum
DE966502C (de) * 1952-11-15 1957-08-14 Stamicarbon Verfahren zur Reinigung von Caprolactam
CH326165A (de) * 1954-07-30 1957-12-15 Inventa Ag Verfahren zur Reinigung von Lactamen
DE1004616B (de) * 1954-11-04 1957-03-21 Stamicarbon Verfahren zum Reinigen von Caprolactam
DE1111193B (de) * 1955-12-20 1961-07-20 Glanzstoff Ag Stabilisieren von Lactamen
AT197356B (de) * 1956-02-14 1958-04-25 Leuna Werke Veb Verfahren zum Konzentrieren von wasserhaltigem Lactamöl

Also Published As

Publication number Publication date
DE1263772B (de) 1968-03-21
NL296097A (de)

Similar Documents

Publication Publication Date Title
US3862911A (en) Catalyst based on raney nickel containing iron
JP2769983B2 (ja) ラクタムの製造法
JP3523332B2 (ja) ε−カプロラクタムの精製法
GB999851A (en) Process for the conversion of cyclic ketoximes
GB1044018A (en) Purification of lactams
GB1022753A (en) Catalyst comprising the lithium salt of ªŠ-caprolactam
US6222059B1 (en) Process for the manufacture of aliphatic alpha, omega amino nitriles
GB969993A (en) Process for the purification of lactams
ES402473A1 (es) Procedimiento para separar lactamas de un medio que contie-ne acido sulfurico concentrado.
KR100561135B1 (ko) 지방족 알파, 오메가-아미노 니트릴의 제조 방법
US3776901A (en) Reaction of ketoximes with carboxylic acid amide-sulfur trioxide complexes
US3350393A (en) Production of pure caprolactam
US3715283A (en) Process for distilling benzyl chloride or mixtures containing benzyl chloride
US3634531A (en) Production of styrene
US3248388A (en) 6alpha-fluoro-delta1, 4-pregnadien-16alpha, 17alpha, 21-triol-3, 20-diones and intermediates in the production thereof
US3726925A (en) Preparation of trialkylamines
US4296245A (en) Method for the preparation of a pure alkali metal benzoate and benzyl alcohol
GB1492847A (en) Production of hexamethylenimine
US3156683A (en) Purification of caprolactam
US4379026A (en) Process for the purification of benzaldehyde
US3637761A (en) Process for the preparation of high purity trimellitic anhydride from trimellitic acid by the chemical reduction of nitro-compound impurities prior to dehydration and distillation
DD235630A1 (de) Verfahren zur herstellung von propen aus 1,2-dichlorpropan
DE3200783A1 (de) Verfahren zur isomerisierung von isolierten zu konjugierten doppelbindungen in gegebenenfalls substituierten cyclooctadienen
US3600423A (en) Preparation of hydroxy-capronitrile
US3632648A (en) Continuous production of diaminodicyclo-hexylalkanes