FR1388442A - Process for the purification of crude lactams - Google Patents

Process for the purification of crude lactams

Info

Publication number
FR1388442A
FR1388442A FR970176A FR970176A FR1388442A FR 1388442 A FR1388442 A FR 1388442A FR 970176 A FR970176 A FR 970176A FR 970176 A FR970176 A FR 970176A FR 1388442 A FR1388442 A FR 1388442A
Authority
FR
France
Prior art keywords
purification
lactams
crude
crude lactams
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
FR970176A
Other languages
French (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.)
Toray Industries Inc
Original Assignee
Toyo Rayon Co Ltd
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 Toyo Rayon Co Ltd filed Critical Toyo Rayon Co Ltd
Priority to FR970176A priority Critical patent/FR1388442A/en
Application granted granted Critical
Publication of FR1388442A publication Critical patent/FR1388442A/en
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)
FR970176A 1964-04-08 1964-04-08 Process for the purification of crude lactams Expired FR1388442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR970176A FR1388442A (en) 1964-04-08 1964-04-08 Process for the purification of crude lactams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR970176A FR1388442A (en) 1964-04-08 1964-04-08 Process for the purification of crude lactams

Publications (1)

Publication Number Publication Date
FR1388442A true FR1388442A (en) 1965-02-05

Family

ID=8827305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970176A Expired FR1388442A (en) 1964-04-08 1964-04-08 Process for the purification of crude lactams

Country Status (1)

Country Link
FR (1) FR1388442A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635487A1 (en) * 1993-07-19 1995-01-25 Dsm N.V. Hydrogenation process for use purification of a water caprolactam mixture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635487A1 (en) * 1993-07-19 1995-01-25 Dsm N.V. Hydrogenation process for use purification of a water caprolactam mixture
BE1007298A3 (en) * 1993-07-19 1995-05-09 Dsm Nv PROCESS FOR THE PURIFICATION OF A WATER-EPSILON-caprolactam mixture.
US5539106A (en) * 1993-07-19 1996-07-23 Dsm N.V. Process for the purification of a water-ε-caprolactam mixture

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