FR1253772A - Procédé de purification de la pyrrolidone - Google Patents

Procédé de purification de la pyrrolidone

Info

Publication number
FR1253772A
FR1253772A FR824025A FR824025A FR1253772A FR 1253772 A FR1253772 A FR 1253772A FR 824025 A FR824025 A FR 824025A FR 824025 A FR824025 A FR 824025A FR 1253772 A FR1253772 A FR 1253772A
Authority
FR
France
Prior art keywords
purification process
pyrrolidone
pyrrolidone purification
purification
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
FR824025A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to FR824025A priority Critical patent/FR1253772A/fr
Application granted granted Critical
Publication of FR1253772A publication Critical patent/FR1253772A/fr
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)
FR824025A 1960-04-11 1960-04-11 Procédé de purification de la pyrrolidone Expired FR1253772A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR824025A FR1253772A (fr) 1960-04-11 1960-04-11 Procédé de purification de la pyrrolidone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR824025A FR1253772A (fr) 1960-04-11 1960-04-11 Procédé de purification de la pyrrolidone

Publications (1)

Publication Number Publication Date
FR1253772A true FR1253772A (fr) 1961-02-10

Family

ID=8729078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR824025A Expired FR1253772A (fr) 1960-04-11 1960-04-11 Procédé de purification de la pyrrolidone

Country Status (1)

Country Link
FR (1) FR1253772A (fr)

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