GB1491661A - Process for isolating propylene glycol di-esters in the preparation of propylene oxide - Google Patents

Process for isolating propylene glycol di-esters in the preparation of propylene oxide

Info

Publication number
GB1491661A
GB1491661A GB17180/76A GB1718076A GB1491661A GB 1491661 A GB1491661 A GB 1491661A GB 17180/76 A GB17180/76 A GB 17180/76A GB 1718076 A GB1718076 A GB 1718076A GB 1491661 A GB1491661 A GB 1491661A
Authority
GB
United Kingdom
Prior art keywords
propylene
propylene glycol
organic solvent
carboxylic acid
propylene oxide
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
GB17180/76A
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.)
Bayer AG
Evonik Operations GmbH
Original Assignee
Bayer AG
Degussa GmbH
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 Bayer AG, Degussa GmbH filed Critical Bayer AG
Publication of GB1491661A publication Critical patent/GB1491661A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/12Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Epoxy Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB17180/76A 1975-04-30 1976-04-28 Process for isolating propylene glycol di-esters in the preparation of propylene oxide Expired GB1491661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2519291A DE2519291C3 (de) 1975-04-30 1975-04-30 Verfahren zur Gewinnung von Propylenglykoldicarboxylaten bei der Herstellung von Propylenoxid

Publications (1)

Publication Number Publication Date
GB1491661A true GB1491661A (en) 1977-11-09

Family

ID=5945444

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17180/76A Expired GB1491661A (en) 1975-04-30 1976-04-28 Process for isolating propylene glycol di-esters in the preparation of propylene oxide

Country Status (12)

Country Link
JP (1) JPS5946230B2 (cs)
BE (1) BE841201A (cs)
CA (1) CA1069458A (cs)
DE (1) DE2519291C3 (cs)
ES (1) ES447409A1 (cs)
FR (1) FR2309549A1 (cs)
GB (1) GB1491661A (cs)
IE (1) IE43576B1 (cs)
NL (1) NL175909C (cs)
NO (1) NO761472L (cs)
RO (1) RO69788A (cs)
SU (1) SU621313A3 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0540410U (ja) * 1991-10-24 1993-06-01 清水建設株式会社 Pc版間目地
DE102009038398A1 (de) 2009-08-24 2011-03-03 Uhde Gmbh Verfahren und Vorrichtung zur Herstellung von Alkylenoxiden und von Alkylenglykolen

Also Published As

Publication number Publication date
NL175909B (nl) 1984-08-16
DE2519291C3 (de) 1980-07-03
JPS51133220A (en) 1976-11-18
ES447409A1 (es) 1978-10-16
IE43576B1 (en) 1981-04-08
DE2519291A1 (de) 1976-11-11
NL175909C (nl) 1985-01-16
SU621313A3 (ru) 1978-08-25
FR2309549A1 (fr) 1976-11-26
BE841201A (fr) 1976-10-28
JPS5946230B2 (ja) 1984-11-10
DE2519291B2 (de) 1979-10-11
IE43576L (en) 1976-10-30
CA1069458A (en) 1980-01-08
NO761472L (cs) 1976-11-02
NL7604535A (nl) 1976-11-02
FR2309549B1 (cs) 1979-09-07
RO69788A (ro) 1980-12-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee