GB1471852A - Process for isolating glyoxylic acid from mixtures containing glyoxylic acid from mixtures containing glyoxal and glyoxylic acid - Google Patents

Process for isolating glyoxylic acid from mixtures containing glyoxylic acid from mixtures containing glyoxal and glyoxylic acid

Info

Publication number
GB1471852A
GB1471852A GB172376A GB172376A GB1471852A GB 1471852 A GB1471852 A GB 1471852A GB 172376 A GB172376 A GB 172376A GB 172376 A GB172376 A GB 172376A GB 1471852 A GB1471852 A GB 1471852A
Authority
GB
United Kingdom
Prior art keywords
glyoxylic acid
mixtures containing
glyoxal
acid
isolating
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
GB172376A
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.)
Haarmann and Reimer GmbH
Original Assignee
Haarmann and Reimer 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 Haarmann and Reimer GmbH filed Critical Haarmann and Reimer GmbH
Publication of GB1471852A publication Critical patent/GB1471852A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB172376A 1975-01-17 1976-01-16 Process for isolating glyoxylic acid from mixtures containing glyoxylic acid from mixtures containing glyoxal and glyoxylic acid Expired GB1471852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2501743A DE2501743C2 (de) 1975-01-17 1975-01-17 Verfahren zur Abtrennung von Glyoxylsäure aus wässrigen, Glyoxylsäure und Glyoxal enthaltenden Gemischen

Publications (1)

Publication Number Publication Date
GB1471852A true GB1471852A (en) 1977-04-27

Family

ID=5936655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB172376A Expired GB1471852A (en) 1975-01-17 1976-01-16 Process for isolating glyoxylic acid from mixtures containing glyoxylic acid from mixtures containing glyoxal and glyoxylic acid

Country Status (7)

Country Link
US (1) US4026929A (OSRAM)
JP (1) JPS5755697B2 (OSRAM)
CH (1) CH595313A5 (OSRAM)
DE (1) DE2501743C2 (OSRAM)
FR (1) FR2297830A1 (OSRAM)
GB (1) GB1471852A (OSRAM)
NL (1) NL179367C (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540105B1 (fr) * 1983-01-29 1986-02-14 Basf Ag Procede pour la purification de solutions aqueuses de glyoxal
DE3334863A1 (de) * 1983-09-27 1985-04-11 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von waessrigen glyoxylsaeureloesungen
AT392638B (de) * 1989-06-05 1991-05-10 Chemie Linz Gmbh Verfahren zur kontinuierlichen herstellung einer konzentrierten waessrigen loesung von glyoxylsaeure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644508A (en) * 1969-07-23 1972-02-22 United States Steel Corp Process for the recovery of glyoxylic acid

Also Published As

Publication number Publication date
DE2501743C2 (de) 1982-07-15
JPS5195018A (OSRAM) 1976-08-20
NL179367B (nl) 1986-04-01
JPS5755697B2 (OSRAM) 1982-11-25
NL179367C (nl) 1986-09-01
CH595313A5 (OSRAM) 1978-02-15
FR2297830A1 (fr) 1976-08-13
NL7600383A (nl) 1976-07-20
US4026929A (en) 1977-05-31
FR2297830B1 (OSRAM) 1979-06-22
DE2501743A1 (de) 1976-07-22

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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