FR896883A - Process for recovering lactams from dilute aqueous solutions - Google Patents

Process for recovering lactams from dilute aqueous solutions

Info

Publication number
FR896883A
FR896883A FR896883DA FR896883A FR 896883 A FR896883 A FR 896883A FR 896883D A FR896883D A FR 896883DA FR 896883 A FR896883 A FR 896883A
Authority
FR
France
Prior art keywords
lactams
recovering
aqueous solutions
dilute aqueous
dilute
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
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR896883A publication Critical patent/FR896883A/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
FR896883D 1942-08-18 1943-07-30 Process for recovering lactams from dilute aqueous solutions Expired FR896883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE896883X 1942-08-18

Publications (1)

Publication Number Publication Date
FR896883A true FR896883A (en) 1945-03-06

Family

ID=1556960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896883D Expired FR896883A (en) 1942-08-18 1943-07-30 Process for recovering lactams from dilute aqueous solutions

Country Status (1)

Country Link
FR (1) FR896883A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692878A (en) * 1954-10-26 Method forithe continuous produc-
FR2200265A1 (en) * 1972-09-15 1974-04-19 Bayer Ag
US4013640A (en) * 1974-04-11 1977-03-22 Union Carbide Corporation Process for the recovery of amides
FR2455583A1 (en) * 1979-04-30 1980-11-28 Snia Viscosa PROCESS FOR THE PURIFICATION OF CRUDE CAPROLACTAM CONTAINING PRIMARY AMIDES AND PURIFIED CAPROLACTAM OBTAINED
EP0363894A2 (en) * 1988-10-13 1990-04-18 Hoechst Aktiengesellschaft Process for the extraction of N-methyl-2-pyrrolidone

Cited By (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-
FR2200265A1 (en) * 1972-09-15 1974-04-19 Bayer Ag
US4013640A (en) * 1974-04-11 1977-03-22 Union Carbide Corporation Process for the recovery of amides
FR2455583A1 (en) * 1979-04-30 1980-11-28 Snia Viscosa PROCESS FOR THE PURIFICATION OF CRUDE CAPROLACTAM CONTAINING PRIMARY AMIDES AND PURIFIED CAPROLACTAM OBTAINED
EP0363894A2 (en) * 1988-10-13 1990-04-18 Hoechst Aktiengesellschaft Process for the extraction of N-methyl-2-pyrrolidone
EP0363894A3 (en) * 1988-10-13 1991-10-09 Hoechst Aktiengesellschaft Process for the extraction of n-methyl-2-pyrrolidone

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