FR1499798A - Process improvements to obtain high purity isoprene - Google Patents

Process improvements to obtain high purity isoprene

Info

Publication number
FR1499798A
FR1499798A FR83842A FR83842A FR1499798A FR 1499798 A FR1499798 A FR 1499798A FR 83842 A FR83842 A FR 83842A FR 83842 A FR83842 A FR 83842A FR 1499798 A FR1499798 A FR 1499798A
Authority
FR
France
Prior art keywords
high purity
obtain high
process improvements
purity isoprene
isoprene
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
FR83842A
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.)
Japan Gas Chemical Co Inc
Original Assignee
Japan Gas Chemical Co Inc
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 Japan Gas Chemical Co Inc filed Critical Japan Gas Chemical Co Inc
Application granted granted Critical
Publication of FR1499798A publication Critical patent/FR1499798A/en
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
    • C07C7/005—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
    • C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive 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)
FR83842A 1965-11-17 1966-11-16 Process improvements to obtain high purity isoprene Expired FR1499798A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7071165 1965-11-17
JP2780666 1966-05-02

Publications (1)

Publication Number Publication Date
FR1499798A true FR1499798A (en) 1967-10-27

Family

ID=26365783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR83842A Expired FR1499798A (en) 1965-11-17 1966-11-16 Process improvements to obtain high purity isoprene

Country Status (3)

Country Link
US (1) US3436437A (en)
FR (1) FR1499798A (en)
GB (1) GB1137268A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898135A (en) * 1971-07-23 1975-08-05 Petro Tex Chem Corp Extractive distillation of C{HD 4 {B hydrocarbons using a three component solvent system
US3860512A (en) * 1974-01-10 1975-01-14 Exxon Research Engineering Co Solvent extraction of aromatic hydrocarbons with 1,2,3-tris-(2-cyanoethoxy)-propane
DE3338269A1 (en) * 1983-10-21 1985-05-02 Basf Ag, 6700 Ludwigshafen METHOD FOR OBTAINING ISOPRENE FROM A C (DOWN ARROW) 5 (DOWN ARROW) HYDROCARBON MIXTURE
EP3390327B1 (en) * 2015-12-14 2021-10-13 SABIC Global Technologies B.V. Methods and systems for recovering dicyclopentadiene from pygas
US11168042B2 (en) * 2017-05-10 2021-11-09 Sabic Global Technologies B.V. Systems and methods for isoprene purification

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704778A (en) * 1955-03-22 Adtio
US2768224A (en) * 1956-10-23 Isoprene concentrates
US2426705A (en) * 1942-12-29 1947-09-02 Standard Oil Dev Co Recovery of isoprene by fractionation and extractive distillation
US2361493A (en) * 1943-02-03 1944-10-31 Standard Oil Dev Co Separation and purification of hydrocarbons
US2407997A (en) * 1943-08-17 1946-09-24 Standard Oil Dev Co Separation and purification of isoprene
US2441827A (en) * 1943-10-27 1948-05-18 Union Oil Co Extraction process
US2459403A (en) * 1944-07-20 1949-01-18 Standard Oil Dev Co Segregation of c5 hydrocarbons by extractive and azeotropic distillation
US2851505A (en) * 1956-05-03 1958-09-09 Gulf Research Development Co Purification of isoprene
DE1163795B (en) * 1961-11-24 1964-02-27 Basf Ag Process for the removal of small amounts of high molecular weight acetylenes and allenes from conjugated diolefins
BE672305A (en) * 1962-05-18
GB983783A (en) * 1963-10-25 1965-02-17 Shell Int Research Process for the removal of alkynes from hydrocarbon mixtures containing alkadienes
GB1093413A (en) * 1964-11-06 1967-11-29 Internat Synthetic Rubber Comp Separation of hydrocarbons

Also Published As

Publication number Publication date
GB1137268A (en) 1968-12-18
DE1568895B2 (en) 1976-03-04
DE1568895A1 (en) 1970-09-10
US3436437A (en) 1969-04-01

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