FR1465128A - Purification du diméthylformamide - Google Patents

Purification du diméthylformamide

Info

Publication number
FR1465128A
FR1465128A FR46765A FR46765A FR1465128A FR 1465128 A FR1465128 A FR 1465128A FR 46765 A FR46765 A FR 46765A FR 46765 A FR46765 A FR 46765A FR 1465128 A FR1465128 A FR 1465128A
Authority
FR
France
Prior art keywords
dimethylformamide
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
FR46765A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1465128A publication Critical patent/FR1465128A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/952—Reaction stopping or retarding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR46765A 1965-01-22 1966-01-21 Purification du diméthylformamide Expired FR1465128A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US427248A US3360443A (en) 1965-01-22 1965-01-22 Recovery of dimethyl formamide from triacetylene by distillation in the presence of a polymerization inhibitor

Publications (1)

Publication Number Publication Date
FR1465128A true FR1465128A (fr) 1967-01-06

Family

ID=23694080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46765A Expired FR1465128A (fr) 1965-01-22 1966-01-21 Purification du diméthylformamide

Country Status (3)

Country Link
US (1) US3360443A (fr)
FR (1) FR1465128A (fr)
NL (1) NL6600815A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496263A (en) * 1965-07-21 1970-02-17 Asahi Chemical Ind Process for the recovery of n,n-dimethylformamides of n,n - dimethylacetamides from waste gases in the dry spinning of polyacrylonitrile by water contact and condensing
US3436318A (en) * 1967-10-25 1969-04-01 Monsanto Co Solvent purification by distillation with a hydrocarbon oil
US3448015A (en) * 1967-12-21 1969-06-03 Phillips Petroleum Co Distillation process with polymerization inhibitor addition at specific locations for the purification of polymerizable organic compounds
US3655520A (en) * 1969-03-06 1972-04-11 Ethyl Corp Distillation of olefins with alkanol addition to prevent degradation
US3850757A (en) * 1971-01-11 1974-11-26 J Looney Distillation of diacetylenically unsaturated aromatic hydrocarbons
US4401516A (en) * 1981-11-24 1983-08-30 Dynapol Shareholders Liquidating Trust Process for separating acetamidoethylene from crude preparation products

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715103A (en) * 1953-11-12 1955-08-09 Monsanto Chemicals Alkali metal nitrite as a polymerization inhibitor for diacetylene
US2900421A (en) * 1957-02-06 1959-08-18 Morris S Kharasch Inhibiting polymerization
US2915138A (en) * 1957-12-23 1959-12-01 Monsanto Chemicals Polymerization inhibitor
US2971608A (en) * 1959-06-22 1961-02-14 Monsanto Chemicals Polymeriation inhibitor
US3147312A (en) * 1961-01-09 1964-09-01 Du Pont Integrated process for making monovinylacetylene from dilute acetylene gas

Also Published As

Publication number Publication date
US3360443A (en) 1967-12-26
NL6600815A (fr) 1966-07-25

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