FR2262655B1 - - Google Patents

Info

Publication number
FR2262655B1
FR2262655B1 FR7407074A FR7407074A FR2262655B1 FR 2262655 B1 FR2262655 B1 FR 2262655B1 FR 7407074 A FR7407074 A FR 7407074A FR 7407074 A FR7407074 A FR 7407074A FR 2262655 B1 FR2262655 B1 FR 2262655B1
Authority
FR
France
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
FR7407074A
Other languages
French (fr)
Other versions
FR2262655A1 (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.)
Compagnie Francaise de Raffinage SA
Original Assignee
Compagnie Francaise de Raffinage SA
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 Compagnie Francaise de Raffinage SA filed Critical Compagnie Francaise de Raffinage SA
Priority to FR7407074A priority Critical patent/FR2262655A1/fr
Publication of FR2262655A1 publication Critical patent/FR2262655A1/fr
Application granted granted Critical
Publication of FR2262655B1 publication Critical patent/FR2262655B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00—Aliphatic unsaturated hydrocarbons
    • C07C11/12—Alkadienes
    • C07C11/173—Alkadienes with five carbon atoms
    • C07C11/18—Isoprene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C07C7/06—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by azeotropic distillation

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)
FR7407074A 1974-03-01 1974-03-01 Isoprene purifcn. from mixt. contg. acetone - by adding isopentane and distn. Granted FR2262655A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7407074A FR2262655A1 (en) 1974-03-01 1974-03-01 Isoprene purifcn. from mixt. contg. acetone - by adding isopentane and distn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7407074A FR2262655A1 (en) 1974-03-01 1974-03-01 Isoprene purifcn. from mixt. contg. acetone - by adding isopentane and distn.

Publications (2)

Publication Number Publication Date
FR2262655A1 FR2262655A1 (en) 1975-09-26
FR2262655B1 true FR2262655B1 (enExample) 1978-01-06

Family

ID=9135686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407074A Granted FR2262655A1 (en) 1974-03-01 1974-03-01 Isoprene purifcn. from mixt. contg. acetone - by adding isopentane and distn.

Country Status (1)

Country Link
FR (1) FR2262655A1 (enExample)

Also Published As

Publication number Publication date
FR2262655A1 (en) 1975-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse